Some standard content:
ICS 25.160.20
National Standard of the People's Republic of China
GB/T36692007
Aluminum and aluminum alloy electrodes for shielded metal arc welding
2001- 12 - 17 Issued
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
2002-06-01 Implementation
GB/T3669—2001
Cited standards
Special number
Technical requirements
Test methods
Inspection rules
Installation, marking and quality certificate
Appendix A (suggestive appendix)
Appendix B (suggestive appendix)
Appendix C (suggestive appendix)
Brief description of the clause
Comparison table of old and new types
Related standards list
GB/T3669-201
This standard is not equivalent to the provisions of GB/T36691S832 Aluminum Alloy Clause 3, and the technical content is equivalent to this type of base wood. Fengmi standard is carried out in the following content,
---classification model book table method: Shenzhen Ning District "E\li diamond and aluminum alloy international brand installation welding rod model. This table method is completely consistent with AWS, and the brand of aluminum and aluminum alloy is also GB/314 (一-15 expression method tree: Light according to the joint resistance strength: the original standard TA [some effective bars (revised to EI) joint head maximum test tensile strength 64MP changed to MF: TAIMrTAIS type constant bar design for 333E4C43 welding joint low quality through the seat from 1I&MPu changed to SMF: AS particle one effect ：
The thickness of the first version is changed from m to 10m
The two changes in the bending angle and the length of the head are marked. From the date of this standard, the G/T-13 standard service is based on the A, A, B and C data of the appendix. The China Standardization Association proposes the use of the standard. The wood standard is published in the daily publication except for the relevant technical committee. This paragraph is difficult to start a single unit, the national acceptance of the material quality clinical inspection center this name is the main infant starting reform, overflow school, account secretion, because of the name of the first, the national school, Liu Qiong. Scope
National Standard of the People's Republic of China
Aluminum and aluminum alloy welding rods
Alminut ad aluminumun aly eleetrades furshielded nelal arc Welding
GD/T3659-2001
This standard specifies the type classification, installation requirements, test methods and inspection rules of aluminum alloy welding rods. This standard is used for welding rods for welding armored and non-alloy welding. 2 Reference standards
The provisions contained in the following standards will become the provisions of this standard when the numbers in the standard are used: When this standard is published, the versions shown are valid. All standards will be revised, and the parties using this standard should discuss the feasibility of using the latest version of the following standard. GH/12651-98 Welding joint test method G, 6-19 Welding joint bending and compression test 5 Consult: [USD 05173: 1981）/113 Deformation Chemical Composition 0205-1)
GB/T3375-1922 Welding Specifications
3 Model Classification
3.1 Classification of Models Based on Chemical Composition and Primary Performance of Joints: 3.2 No. 100000
The letter "F" indicates the welding rod, and the number after E indicates the aluminum and aluminum alloy brand used for the welding core. The complete welding rod type and number are as follows:
Indicates the aluminum and aluminum alloy brand used for the welding core
Indicates the welding rod
3.3A The welding rod engraved with a step number cannot be listed in other types. 4 Technical requirements
4. 1 Dimensions
4.1.1 The length of the ground strip should comply with the provisions of Table [
4.1.2 The length of the clamping end of the strip should comply with the provisions of Table 2, approved by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China on December 17, 2001, 200206-0.
New
Diameter of the East
GB/T3669—2001
Table 1 Strip size
Base center size
310-360|| 4.2 Coating .2.1 The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. The core coating should not have any defects that affect the welding quality. 4.2-3 The size of the welding core in the circumferential direction of the welding active zone shall be uncertain. 4.2.4 The eccentricity of the welding rod shall be equal to the following provisions: a) The spot diameter shall not be less than 12.smm. The eccentricity shall be greater than 7: For welding rods with diameters of 3.2rm and 4.0mm, the eccentricity shall be 5%; c) The spot diameter shall not be less than 5.0mm, and the eccentricity shall not be greater than 4. The calculation of the accuracy shall be carried out in accordance with GB/T337. 4.2.5 The coating of the welding rod shall have sufficient thickness to prevent it from moving during normal operation. When heated to 3C, no blistering shall be observed. During welding, the flux shall be able to melt evenly and shall not cause backburning from the welding core. Welding care shall be taken to avoid any blistering. 4.3 Chemical composition The chemical composition of the welding core shall comply with the requirements of Table 3. Table 3 Chemical composition of welding core Model of welding rod Note: The values listed in the table are all absolute values. Primary performance 4.4.1 The strength of the welding rod shall comply with the requirements of Table 4. 4.4.2 After welding, any defect of 3.0mm or other defect on the weld surface shall be allowed, except for the defects on the weld surface.
5 Test methods
5.1 Chemical analysis
GB/T3669—2001
Table 1 Tensile strength of welded joints
Tensile strength/MPa
The chemical analysis test details shall be taken from the welding core, and the chemical analysis test age may be adopted. Any suitable method for the supply of both parties shall be met and the quality of the welded joint shall be calibrated according to G/T rDK7.1-~987.1.
5.2 Mechanical test
5.2.1 Test format
a) E1100 type welding rod. The chemical composition of the test material shall be 110 lead alloy in GB/519%; b) E3001E4043 type welding rod. The chemical composition of the test material shall comply with the requirements of 1003 calcium alloy in GB/13.93. 5.2.2 The preparation, size and location of the test piece shall be carried out in accordance with the provisions of the test. 22
Figure 1 Preparation of non-energy test specimens
5.2.3. The pad material should be the same as the parent material for the test GB/T3669-2DC1
5.2.4 The test specimen should be preheated to 170-20C before welding. The angle deformation of the test specimen should not exceed °. The angle deformation can be corrected by appropriate methods. When the angle deformation of the test specimen is more than 5, it should be corrected at room temperature. 5.25 According to the sample position of Figure 1, the worker can hold the sample, the test bar can be discarded, and the test specimen can be sent to the test table. Figure 23-260
Pull the type with
1 Coal seam will be leather and boat material table, fast! Same as the room. 2.5.2.6 Horizontal pulling test according to 1, T2651. 5.2.7 The bending connection Gn/T265 is reversed, the pressure head diameter is 70mm. The bending angle is 18. The sample is filled with itching after production. 6. Inspection regulations The inspection department of the finished product is inspected frequently, 5.1 Each coal bar is divided into a core and a batch of the same coating material. It is made with the same strength and manufacturing process. The exhibition quality of the batch of welding tea is 51, 6.2 The quality of each batch of welding rods is eliminated temporarily, according to the production requirements, the number of plates is less than three in one half, and the representative of the push piece is reported. 6-3 Acceptance
Each batch of welding rods shall be inspected and accepted according to the provisions of 6.3.1.6.3.2. The same as the welding rods with diameters of 2.5mm, 8.2mm, and 5.2mm can be subjected to mechanical tests. When the diameter is greater than 4.Umm, its mechanical properties can be expressed according to the diameter.Umm welding rod specification. When the diameter is less than 5.nmm., the welding capacity is determined according to the diameter.nmm welding test results. If the test is required, it shall be carried out according to the provisions of the bottom clause. 3. The chemical composition of each batch of welding rods shall comply with the provisions of 4.3. 6.3.2 The mechanical properties of the welding joint of the average batch of welding rods shall comply with the provisions of 4.4. If any one of the tests is not satisfactory, the item shall be re-tested, which can be carried out on the original or new test pieces. The results of the re-test shall comply with the provisions of the test item.
Packing, marking and quality certificate
7.1 Packaging
7.1.1 The welding rods shall be packed in batches of 0.5kg, 1kg, 2kg, 3kg, 5kg or in the corresponding number of packages. The packages shall be in accordance with the batch number and shall be able to ensure that the welding rods are stored in a dry place for at least one year without deterioration or damage. 7.1.2 If the packages are packed in a dry place, they shall be packed in a way that ensures that they are not damaged during normal transportation. 7.2 Marking
7.2.1 There shall be a strip of paper or a brand printed on the welding rod near the clamping rod. The printed words shall be in the same color as the welding rod. There shall be a large contrast between the outer color of the words and the coating so that they can be clearly seen before and after normal welding operations. Other suitable methods may be used to indicate the type and brand of welding rods. 7.2.2 Each package and box shall be marked with at least the following on the outside: standard number, brand of coal strips
b) manufacturer name and trade name:
() specifications and net weight or number of strips:
) batch number and inspection number,
7.3 Quality certificate
The strip manufacturer shall issue a quality certificate for a batch of bad strips based on the actual inspection results for the purchaser to inquire: When the user makes a request, the manufacturer shall provide a copy purchased by the inspection station,
GB/T 36592001
Appendix A
(prompt record)
Brief description of the product
A17 gold has high plasticity, good quality, and is equipped with a total resistance of MP. 11 coal winter cost know other 1 industry used in the intelligent alloy card || tt || A2F300% welding chain enterprise belongs to the overall performance, the most common resistance according to the elastic construction of 3EMFa. ES303 welding adopts ten-cost connection 1100 and 2CC3 aluminum alloy, 43104 master bar contains about 5% of the station, it only has a good welding temperature of the plate! : The welding history of the E404 electrode is very good for the high plasticity of the alloy chain with low digging and condensation requirements of 95MT, and can be used for 16: series alloy, 5: series (Mg content below 2.%) aluminum alloy and cast alloy, as well as 11C3003 full A4 aluminum alloy application, sometimes requiring welding process performance. In this case, the composition of the selected strip should be as close to that of the parent material as possible. Except for the 1100 lead alloy and 33 lead alloy, the strips for this purpose must be specially ordered: It is more convenient to use gas shielded welding method, because it is easy to get solid results with gas shielded welding: Attached figure R
(drawing requirements)
New and old model comparison table
GC/- 3UNS-IAS:
GB/T 6987.1---2301
LB/T 6987.2 2001
GB/T 6987.32301
G1/T $987.4—2001
GB/T 6987.52001
GB/T 6987.6-2001
GB/T 6487.7: 2001
G3/T 6987.R—2001
GB/ 6987.200
GB:T 6997.10-2m1
G/r 608/.11 -2001
G/T 6987.12—2(01
GR/T 6937.132G01
CB/T $987.14—2C31
Recommended limits:
Reference standard catalogue
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis of aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
E:T 56692Gr.
Determination of feed content by spectrophotometry
Determination of iron content by spectrophotometry
Determination of manganese content by potassium permanganate spectrophotometry
Determination of zinc content by flame irradiation
Chemical analysis of aluminum alloys
Chemical analysis of aluminum and alloys
Chemical analysis of aluminum and alloys Analysis method
Chemical separation method of aluminum alloy
Spectrophotometric determination of silver content by phenyl ether
Spectrophotometric determination of diamine by chlorine
Spectrophotometric determination of lead content by chlorine
GB/E3669—2001
Chemical analysis of aluminum and aluminum alloys by flame atom absorption method GB/T6987.15-2001
Chemical analysis method of aluminum and aluminum alloys by CDTA determination of magnesium content GB/T 6987.16—2001
GB/T 6987.17..-2001
GR/T 6957.18—2001
GB/T6987.192001
GB/T 6987.20—20U1
GB/T 6587.21—2001
GB/T 6987.22—2001
GB/T 6987.23---2001
GB/T 6987.24—2001
GB/T 6S87.25—2001
Methods for chemical analysis of aluminum
Determination of content by flame atomic absorption spectroscopy
Determination of content by flame atomic absorption spectroscopy
Methods for chemical analysis of aluminum alloys
Chemical analysis of aluminum and aluminum alloys
Determination of content by xylenol orange spectrophotometry
Methods for chemical analysis of aluminum alloys
Determination of content by butyl rhodamine B spectrophotometry
Methods for chemical analysis of aluminum and aluminum alloys
Chemical analysis of aluminum and aluminum alloys
Chemical analysis of aluminum alloys
GB/T 6987.2G2001
GBT 6S87.27--2001
G15/T 6987.25—2001
GB/T 6987.29—3001
GB/T 698.302001
GB/T 6987.31—2001
GB/T 6987.32--·2001
Chemical analysis methods for aluminium and aluminium alloys
Chemical analysis methods for aluminium and aluminium alloys
Chemical analysis methods for aluminium and aluminium alloys
Chemical analysis methods for aluminium and aluminium alloys
Determination of the content of iodine by the flame atomic force spectrophotometric method
Determination of the content of iodine by the potassium iodine spectrophotometric method
Triamine Determination of lung rare earth element by spectrophotometry, determination of sales volume by ignition atomic absorption spectrophotometry, determination of grass content by flame atomic absorption spectrophotometry, determination of total rare earth content by ion selective electrode, determination of branchial content by flame atomic absorption spectrophotometry, determination of content by new Asian spirit, determination of content by spectrophotometry, determination of content by hydrogen peroxide spectrophotometry, determination of content by titanium content by chemical analysis method of aluminum and aluminum alloys, determination of total rare earth content by grass salt method2 The mechanical properties of the welded joints shall comply with the provisions of 4.4. E-4 Test
If any item of the test is not completed, the item shall be retested, which may be done on the original or new test pieces. The results of the retest shall comply with the provisions of the test item.
Packing, marking and quality certificate
7.1 Packaging
7.1.1 The welding rods shall be packed in batches of 0.5kg, 1kg, 2kg, 3kg, 5kg or in the corresponding number of packages. The packages shall be in accordance with the batch number and shall be able to ensure that the welding rods are stored in a dry place for at least one year without deterioration or damage. 7.1.2 If the packages are packed in a dry place, they shall be packed in a way that ensures that they are not damaged during normal transportation. 7.2 Marking
7.2.1 There shall be a strip of paper or a brand printed on the welding rod near the clamping rod. The printed words shall be in the same color as the welding rod. There shall be a large contrast between the outer color of the words and the coating so that they can be clearly seen before and after normal welding operations. Other suitable methods may be used to indicate the type and brand of welding rods. 7.2.2 Each package and box shall be marked with at least the following on the outside: standard number, brand of coal strips
b) manufacturer name and trade name:
() specifications and net weight or number of strips:
) batch number and inspection number,
7.3 Quality certificate
The strip manufacturer shall issue a quality certificate for a batch of bad strips based on the actual inspection results for the purchaser to inquire: When the user makes a request, the manufacturer shall provide a copy purchased by the inspection station,
GB/T 36592001
Appendix A
(prompt record)
Brief description of the product
A17 gold has high plasticity, good quality, and is equipped with a total resistance of MP. 11 coal winter cost know other 1 industry used in the intelligent alloy card || tt || A2F300% welding chain enterprise belongs to the overall performance, the most common resistance according to the elastic construction of 3EMFa. ES303 welding adopts ten-cost connection 1100 and 2CC3 aluminum alloy, 43104 master bar contains about 5% of the station, it only has a good welding temperature of the plate! : The welding history of the E404 electrode is very good for the high plasticity of the alloy chain with low digging and condensation requirements of 95MT, and can be used for 16: series alloy, 5: series (Mg content below 2.%) aluminum alloy and cast alloy, as well as 11C3003 full A4 aluminum alloy application, sometimes requiring welding process performance. In this case, the composition of the selected strip should be as close to that of the parent material as possible. Except for the 1100 lead alloy and 33 lead alloy, the strips for this purpose must be specially ordered: It is more convenient to use gas shielded welding method, because it is easy to get solid results with gas shielded welding: Attached figure R
(drawing requirements)
New and old model comparison table
GC/- 3UNS-IAS:
GB/T 6987.1---2301
LB/T 6987.2 2001
GB/T 6987.32301
G1/T $987.4—2001
GB/T 6987.52001
GB/T 6987.6-2001
GB/T 6487.7: 2001
G3/T 6987.R—2001bZxz.net
GB/ 6987.200
GB:T 6997.10-2m1
G/r 608/.11 -2001
G/T 6987.12—2(01
GR/T 6937.132G01
CB/T $987.14—2C31
Recommended limits:
Reference standard catalogue
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis of aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
E:T 56692Gr.
Determination of feed content by spectrophotometry
Determination of iron content by spectrophotometry
Determination of manganese content by potassium permanganate spectrophotometry
Determination of zinc content by flame irradiation
Chemical analysis of aluminum alloys
Chemical analysis of aluminum and alloys
Chemical analysis of aluminum and alloys Analysis method
Chemical separation method of aluminum alloy
Spectrophotometric determination of silver content by phenyl ether
Spectrophotometric determination of diamine by chlorine
Spectrophotometric determination of lead content by chlorine
GB/E3669—2001
Chemical analysis of aluminum and aluminum alloys by flame atom absorption method GB/T6987.15-2001
Chemical analysis method of aluminum and aluminum alloys by CDTA determination of magnesium content GB/T 6987.16—2001
GB/T 6987.17..-2001
GR/T 6957.18—2001
GB/T6987.192001
GB/T 6987.20—20U1
GB/T 6587.21—2001
GB/T 6987.22—2001
GB/T 6987.23---2001
GB/T 6987.24—2001
GB/T 6S87.25—2001
Methods for chemical analysis of aluminum
Determination of content by flame atomic absorption spectroscopy
Determination of content by flame atomic absorption spectroscopy
Methods for chemical analysis of aluminum alloys
Chemical analysis of aluminum and aluminum alloys
Determination of content by xylenol orange spectrophotometry
Methods for chemical analysis of aluminum alloys
Determination of content by butyl rhodamine B spectrophotometry
Methods for chemical analysis of aluminum and aluminum alloys
Chemical analysis of aluminum and aluminum alloys
Chemical analysis of aluminum alloys
GB/T 6987.2G2001
GBT 6S87.27--2001
G15/T 6987.25—2001
GB/T 6987.29—3001
GB/T 698.302001
GB/T 6987.31—2001
GB/T 6987.32--·2001
Chemical analysis methods for aluminium and aluminium alloys
Chemical analysis methods for aluminium and aluminium alloys
Chemical analysis methods for aluminium and aluminium alloys
Chemical analysis methods for aluminium and aluminium alloys
Determination of the content of iodine by the flame atomic force spectrophotometric method
Determination of the content of iodine by the potassium iodine spectrophotometric method
Triamine Determination of rare earth ions by spectrophotometry, determination of sales volume by ignition atomic absorption spectrophotometry, determination of grass content by flame atomic absorption spectrophotometry, determination of total rare earth content by ion selective electrode, determination of ignition atomic absorption spectrophotometry ...2 The mechanical properties of the welded joints shall comply with the provisions of 4.4. E-4 Test
If any item of the test is not completed, the item shall be retested, which may be done on the original or new test pieces. The results of the retest shall comply with the provisions of the test item.
Packing, marking and quality certificate
7.1 Packaging
7.1.1 The welding rods shall be packed in batches of 0.5kg, 1kg, 2kg, 3kg, 5kg or in the corresponding number of packages. The packages shall be in accordance with the batch number and shall be able to ensure that the welding rods are stored in a dry place for at least one year without deterioration or damage. 7.1.2 If the packages are packed in a dry place, they shall be packed in a way that ensures that they are not damaged during normal transportation. 7.2 Marking
7.2.1 There shall be a strip of paper or a brand printed on the welding rod near the clamping rod. The printed words shall be in the same color as the welding rod. There shall be a large contrast between the outer color of the words and the coating so that they can be clearly seen before and after normal welding operations. Other suitable methods may be used to indicate the type and brand of welding rods. 7.2.2 Each package and box shall be marked with at least the following on the outside: standard number, brand of coal strips
b) manufacturer name and trade name:
() specifications and net weight or number of strips:
) batch number and inspection number,
7.3 Quality certificate
The strip manufacturer shall issue a quality certificate for a batch of bad strips based on the actual inspection results for the purchaser to inquire: When the user makes a request, the manufacturer shall provide a copy purchased by the inspection station,
GB/T 36592001
Appendix A
(prompt record)
Brief description of the product
A17 gold has high plasticity, good quality, and is equipped with a total resistance of MP. 11 coal winter cost know other 1 industry used in the intelligent alloy card || tt || A2F300% welding chain enterprise belongs to the overall performance, the most common resistance according to the elastic construction of 3EMFa. ES303 welding adopts ten-cost connection 1100 and 2CC3 aluminum alloy, 43104 master bar contains about 5% of the station, it only has a good welding temperature of the plate! : The welding history of the E404 electrode is very good for the high plasticity of the alloy chain with low digging and condensation requirements of 95MT, and can be used for 16: series alloy, 5: series (Mg content below 2.%) aluminum alloy and cast alloy, as well as 11C3003 full A4 aluminum alloy application, sometimes requiring welding process performance. In this case, the composition of the selected strip should be as close to that of the parent material as possible. Except for the 1100 lead alloy and 33 lead alloy, the strips for this purpose must be specially ordered: It is more convenient to use gas shielded welding method, because it is easy to get solid results with gas shielded welding: Attached figure R
(drawing requirements)
New and old model comparison table
GC/- 3UNS-IAS:
GB/T 6987.1---2301
LB/T 6987.2 2001
GB/T 6987.32301
G1/T $987.4—2001
GB/T 6987.52001
GB/T 6987.6-2001
GB/T 6487.7: 2001
G3/T 6987.R—2001
GB/ 6987.200
GB:T 6997.10-2m1
G/r 608/.11 -2001
G/T 6987.12—2(01
GR/T 6937.132G01
CB/T $987.14—2C31
Recommended limits:
Reference standard catalogue
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis of aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
E:T 56692Gr.
Determination of feed content by spectrophotometry
Determination of iron content by spectrophotometry
Determination of manganese content by potassium permanganate spectrophotometry
Determination of zinc content by flame irradiation
Chemical analysis of aluminum alloys
Chemical analysis of aluminum and alloys
Chemical analysis of aluminum and alloys Analysis method
Chemical separation method of aluminum alloy
Spectrophotometric determination of silver content by phenyl ether
Spectrophotometric determination of diamine by chlorine
Spectrophotometric determination of lead content by chlorine
GB/E3669—2001
Chemical analysis of aluminum and aluminum alloys by flame atom absorption method GB/T6987.15-2001
Chemical analysis method of aluminum and aluminum alloys by CDTA determination of magnesium content GB/T 6987.16—2001
GB/T 6987.17..-2001
GR/T 6957.18—2001
GB/T6987.192001
GB/T 6987.20—20U1
GB/T 6587.21—2001
GB/T 6987.22—2001
GB/T 6987.23---2001
GB/T 6987.24—2001
GB/T 6S87.25—2001
Methods for chemical analysis of aluminum
Determination of content by flame atomic absorption spectroscopy
Determination of content by flame atomic absorption spectroscopy
Methods for chemical analysis of aluminum alloys
Chemical analysis of aluminum and aluminum alloys
Determination of content by xylenol orange spectrophotometry
Methods for chemical analysis of aluminum alloys
Determination of content by butyl rhodamine B spectrophotometry
Methods for chemical analysis of aluminum and aluminum alloys
Chemical analysis of aluminum and aluminum alloys
Chemical analysis of aluminum alloys
GB/T 6987.2G2001
GBT 6S87.27--2001
G15/T 6987.25—2001
GB/T 6987.29—3001
GB/T 698.302001
GB/T 6987.31—2001
GB/T 6987.32--·2001
Chemical analysis methods for aluminium and aluminium alloys
Chemical analysis methods for aluminium and aluminium alloys
Chemical analysis methods for aluminium and aluminium alloys
Chemical analysis methods for aluminium and aluminium alloys
Determination of the content of iodine by the flame atomic force spectrophotometric method
Determination of the content of iodine by the potassium iodine spectrophotometric method
Triamine Determination of rare earth ions by spectrophotometry, determination of sales volume by ignition atomic absorption spectrophotometry, determination of grass content by flame atomic absorption spectrophotometry, determination of total rare earth content by ion selective electrode, determination of ignition atomic absorption spectrophotometry ...1. There should be a strip or brand printed on the welding head near the welding rod clamp. The printed body should be matched with the welding rod. There should be a large contrast between the outer color and the welding rod coating so that it can be clearly seen before and after normal welding operation. Other suitable methods can be used to indicate the model and brand of welding rod. 7.2.2 Each package and box shall be marked with at least the following on the outside: standard number, brand of coal strips
b) manufacturer name and trade name:
() specifications and net weight or number of strips:
) batch number and inspection number,
7.3 Quality certificate
The strip manufacturer shall issue a quality certificate for a batch of bad strips based on the actual inspection results for the purchaser to inquire: When the user makes a request, the manufacturer shall provide a copy purchased by the inspection station,
GB/T 36592001
Appendix A
(prompt record)
Brief description of the product
A17 gold has high plasticity, good quality, and is equipped with a total resistance of MP. 11 coal winter cost know other 1 industry used in the intelligent alloy card || tt || A2F300% welding chain enterprise belongs to the overall performance, the most common resistance according to the elastic construction of 3EMFa. ES303 welding adopts ten-cost connection 1100 and 2CC3 aluminum alloy, 43104 master bar contains about 5% of the station, it only has a good welding temperature of the plate! : The welding history of the E404 electrode is very good for the high plasticity of the alloy chain with low digging and condensation requirements of 95MT, and can be used for 16: series alloy, 5: series (Mg content below 2.%) aluminum alloy and cast alloy, as well as 11C3003 full A4 aluminum alloy application, sometimes requiring welding process performance. In this case, the composition of the selected strip should be as close to that of the parent material as possible. Except for the 1100 lead alloy and 33 lead alloy, the strips for this purpose must be specially ordered: It is more convenient to use gas shielded welding method, because it is easy to get solid results with gas shielded welding: Attached figure R
(drawing requirements)
New and old model comparison table
GC/- 3UNS-IAS:
GB/T 6987.1---2301
LB/T 6987.2 2001
GB/T 6987.32301
G1/T $987.4—2001
GB/T 6987.52001
GB/T 6987.6-2001
GB/T 6487.7: 2001
G3/T 6987.R—2001
GB/ 6987.200
GB:T 6997.10-2m1
G/r 608/.11 -2001
G/T 6987.12—2(01
GR/T 6937.132G01
CB/T $987.14—2C31
Recommended limits:
Reference standard catalogue
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis of aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
E:T 56692Gr.
Determination of feed content by spectrophotometry
Determination of iron content by spectrophotometry
Determination of manganese content by potassium permanganate spectrophotometry
Determination of zinc content by flame irradiation
Chemical analysis of aluminum alloys
Chemical analysis of aluminum and alloys
Chemical analysis of aluminum and alloys Analysis method
Chemical separation method of aluminum alloy
Spectrophotometric determination of silver content by phenyl ether
Spectrophotometric determination of diamine by chlorine
Spectrophotometric determination of lead content by chlorine
GB/E3669—2001
Chemical analysis of aluminum and aluminum alloys by flame atom absorption method GB/T6987.15-2001
Chemical analysis method of aluminum and aluminum alloys by CDTA determination of magnesium content GB/T 6987.16—2001
GB/T 6987.17..-2001
GR/T 6957.18—2001
GB/T6987.192001
GB/T 6987.20—20U1
GB/T 6587.21—2001
GB/T 6987.22—2001
GB/T 6987.23---2001
GB/T 6987.24—2001
GB/T 6S87.25—2001
Methods for chemical analysis of aluminum
Determination of content by flame atomic absorption spectroscopy
Determination of content by flame atomic absorption spectroscopy
Methods for chemical analysis of aluminum alloys
Chemical analysis of aluminum and aluminum alloys
Determination of content by xylenol orange spectrophotometry
Methods for chemical analysis of aluminum alloys
Determination of content by butyl rhodamine B spectrophotometry
Methods for chemical analysis of aluminum and aluminum alloys
Chemical analysis of aluminum and aluminum alloys
Chemical analysis of aluminum alloys
GB/T 6987.2G2001
GBT 6S87.27--2001
G15/T 6987.25—2001
GB/T 6987.29—3001
GB/T 698.302001
GB/T 6987.31—2001
GB/T 6987.32--·2001
Chemical analysis methods for aluminium and aluminium alloys
Chemical analysis methods for aluminium and aluminium alloys
Chemical analysis methods for aluminium and aluminium alloys
Chemical analysis methods for aluminium and aluminium alloys
Determination of the content of iodine by the flame atomic force spectrophotometric method
Determination of the content of iodine by the potassium iodine spectrophotometric method
Triamine Determination of rare earth ions by spectrophotometry, determination of sales volume by ignition atomic absorption spectrophotometry, determination of grass content by flame atomic absorption spectrophotometry, determination of total rare earth content by ion selective electrode, determination of ignition atomic absorption spectrophotometry ...1. There should be a strip or brand printed on the welding head near the welding rod clamp. The printed body should be matched with the welding rod. There should be a large contrast between the outer color and the welding rod coating so that it can be clearly seen before and after normal welding operation. Other suitable methods can be used to indicate the model and brand of welding rod. 7.2.2 Each package and box shall be marked with at least the following on the outside: standard number, brand of coal strips
b) manufacturer name and trade name:
() specifications and net weight or number of strips:
) batch number and inspection number,
7.3 Quality certificate
The strip manufacturer shall issue a quality certificate for a batch of bad strips based on the actual inspection results for the purchaser to inquire: When the user makes a request, the manufacturer shall provide a copy purchased by the inspection station,
GB/T 36592001
Appendix A
(prompt record)
Brief description of the product
A17 gold has high plasticity, good quality, and is equipped with a total resistance of MP. 11 coal winter cost know other 1 industry used in the intelligent alloy card || tt || A2F300% welding chain enterprise belongs to the overall performance, the most common resistance according to the elastic construction of 3EMFa. ES303 welding adopts ten-cost connection 1100 and 2CC3 aluminum alloy, 43104 master bar contains about 5% of the station, it only has a good welding temperature of the plate! : The welding history of the E404 electrode is very good for the high plasticity of the alloy chain with low digging and condensation requirements of 95MT, and can be used for 16: series alloy, 5: series (Mg content below 2.%) aluminum alloy and cast alloy, as well as 11C3003 full A4 aluminum alloy application, sometimes requiring welding process performance. In this case, the composition of the selected strip should be as close to that of the parent material as possible. Except for the 1100 lead alloy and 33 lead alloy, the strips for this purpose must be specially ordered: It is more convenient to use gas shielded welding method, because it is easy to get solid results with gas shielded welding: Attached figure R
(drawing requirements)
New and old model comparison table
GC/- 3UNS-IAS:
GB/T 6987.1---2301
LB/T 6987.2 2001
GB/T 6987.32301
G1/T $987.4—2001
GB/T 6987.52001
GB/T 6987.6-2001
GB/T 6487.7: 2001
G3/T 6987.R—2001
GB/ 6987.200
GB:T 6997.10-2m1
G/r 608/.11 -2001
G/T 6987.12—2(01
GR/T 6937.132G01
CB/T $987.14—2C31
Recommended limits:
Reference standard catalogue
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis of aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
E:T 56692Gr.
Determination of feed content by spectrophotometry
Determination of iron content by spectrophotometry
Determination of manganese content by potassium permanganate spectrophotometry
Determination of zinc content by flame irradiation
Chemical analysis of aluminum alloys
Chemical analysis of aluminum and alloys
Chemical analysis of aluminum and alloys Analysis method
Chemical separation method of aluminum alloy
Spectrophotometric determination of silver content by phenyl ether
Spectrophotometric determination of diamine by chlorine
Spectrophotometric determination of lead content by chlorine
GB/E3669—2001
Chemical analysis of aluminum and aluminum alloys by flame atom absorption method GB/T6987.15-2001
Chemical analysis method of aluminum and aluminum alloys by CDTA determination of magnesium content GB/T 6987.16—2001
GB/T 6987.17..-2001
GR/T 6957.18—2001
GB/T6987.192001
GB/T 6987.20—20U1
GB/T 6587.21—2001
GB/T 6987.22—2001
GB/T 6987.23---2001
GB/T 6987.24—2001
GB/T 6S87.25—2001
Methods for chemical analysis of aluminum
Determination of content by flame atomic absorption spectroscopy
Determination of content by flame atomic absorption spectroscopy
Methods for chemical analysis of aluminum alloys
Chemical analysis of aluminum and aluminum alloys
Determination of content by xylenol orange spectrophotometry
Methods for chemical analysis of aluminum alloys
Determination of content by butyl rhodamine B spectrophotometry
Methods for chemical analysis of aluminum and aluminum alloys
Chemical analysis of aluminum and aluminum alloys
Chemical analysis of aluminum alloys
GB/T 6987.2G2001
GBT 6S87.27--2001
G15/T 6987.25—2001
GB/T 6987.29—3001
GB/T 698.302001
GB/T 6987.31—2001
GB/T 6987.32--·2001
Chemical analysis methods for aluminium and aluminium alloys
Chemical analysis methods for aluminium and aluminium alloys
Chemical analysis methods for aluminium and aluminium alloys
Chemical analysis methods for aluminium and aluminium alloys
Determination of the content of iodine by the flame atomic force spectrophotometric method
Determination of the content of iodine by the potassium iodine spectrophotometric method
Triamine Determination of rare earth ions by spectrophotometry, determination of sales volume by ignition atomic absorption spectrophotometry, determination of grass content by flame atomic absorption spectrophotometry, determination of total rare earth content by ion selective electrode, determination of ignition atomic absorption spectrophotometry ...3 Quality Certificate
The belt manufacturing factory checks a batch of bad images and issues a quality certificate based on the actual inspection results for the buyer's inquiry: When the user makes a request, the manufacturer shall provide the quality certificate purchased by the inspection station. Vice,
GB/T 36592001
Appendix A
(prompted negative record)
Brief description of the image
A17 gold exhibition has high plasticity, The number is good, and the total resistance to control MP is selected. 11 Coal Winter Cost It is known that the Yingzhiheka
A2F300% welding chain company used by other industries is a complete manufacturer, and the most common resistance is 3EMFa. ES303 welding adopts 1100 and 2CC3 aluminum alloys, and 43104 contains about 5% of the station. Its welding temperature is only the best moving ruler north of the plate! : Gum users have a long history of welding: The welding metal of the E404 electrode has high plasticity, good efficiency, low digging and pulling, and the solidification required is 95MT. It can be treated with 1, 6: Yi series, and 5: series (Mg content is 2.% Below) Aluminum alloys and cast-cast alloys, as well as 11C3003 Shaoquan A4 pieces of multi-aluminum alloys, require welders to perform extremely well. In this case, the composition of the selected short strips should be as close as possible to the composition of the base material. Different from the baked strips for this purpose, except for the 1100 lead alloy and 33 lead alloy, the records show that Special order: It is more convenient to use gas to protect the welding force, because it must use gas to protect the electric lead, so it is easy to obtain a solid point and a sufficient charge will be reduced: Attached R
(requirements shown in the figure) )
Comparison table of old and new models
GC/- 3UNS-IAS:
GB/T 6987.1---2301
LB/T 6987.2 2001
GB/T 6987.32301
G1/T $987.4—2001
GB/T 6987.52001
GB/T 6987.6-2001
GB/T 6487.7: 2001||tt| |G3/T 6987.R—2001
GB/ 6987.200
GB:T 6997.10-2m1
G/r 608/.11 -2001
G/T 6987.12—2(01
GR/T 6937.132G01
CB/T $987.14—2C31
Prompt limit:
Quote phase head standard catalog||tt| |Aluminum Alloy Chemical Analysis Methods
Department of Aluminum Alloy Chemical Analysis
Aluminum and Alloying Branch Methods
Chemical Analysis of Phase and Frame Alloys||tt| |Chemical analysis method of aluminum and frame alloy
Chemical analysis method of total aluminum content
Chemical analysis method of aluminum and its estimated total content Fang Hong
Chemical analysis method of aluminum alloy||tt ||Methods of the Aluminum and Aluminum Alloy Chemistry Branch
E:T 56692Gr.
Zhuofan Yishujian Spectrophotoreflective Determination of Feed Amount Meiboributanol Absorption Spectrometry Measurement and Adjustment Display||tt ||The non-spectrophotometric determination of iron content in the non-spectrophotometric medical field is out of the question
Bangsheng Fenbei North Fayuan Dingsheng Point
Determination of manganese content by potassium homosodium spectrophotometric library method|| |tt||Determination of zinc content by door A Shida
Determination of zinc content by flame in high pressure light travel method
Aluminum modified aluminum alloy chemical analysis force method
Alloy Chemistry Branch
Aluminum and Zhihui Gold Chemical Analysis Method
Chemical Analysis Method of Aluminum Alloys
and Aluminum Alloy Chemical Breaking Method
Benzene The base shell photoketone spectrophotometric method determines the amount of real lead in silver and fire road flavor odor absorption |
Determination of determination of gold content by spectrophotometric method
GB/E3669-2001
Langji ship alloy chemical analysis method Flame origin absorption light method Determination of chromium content GB/T6987 .152001
Chemical analysis method for aluminum and smart alloys CDTA determination method for magnesium disk GB/T 6987.16—2001
GB/T 6987.17..-2001
GR/T 6957.18—2001
GB/T6987.192001
GB/T 6987.20—20U1
GB/T 6587.21—2001
GB/T 6987.22—2001
GB/ T 6987.23---2001
GB/T 6987.24—2001
GB/T 6S87.25—2001
Chemical analysis method of Biji Aluminum Public Enterprises
Flame Atomic Sign in to receive the spectroscopy service.
Flame atomic absorption spectrometry for determination of drop marks
Chemical analysis method for aluminum alloys
Recipe for chemical analysis of aluminum and aluminum alloys ||tt ||Xylenol orange spectrophotometric method for determination of magnification
Temporary chemical analysis methods for aluminum alloys
Butyl rhodamine B spectrophotometric method stipulates the chemical analysis method for Whale Station aluminum and aluminum joint ventures Supply
Sales General Cap Alloy Chemistry Branch Fangda
Chemical Analysis Methods of Aluminum and Aluminum Alloys
Chemical Analysis of Aluminum and Aluminum Gold
Chemical Analysis of Aluminum and Alloys Fang Zhang
Chemical Analysis Methods for Aluminum Alloys
GB/T 6987.2G2001
GBT 6S87.27--2001
G15/T 6987.25—2001
GB/T 6987.29—3001
GB/T 698.302001
GB/T 6987.31—2001
GB/T 6987.32--·2001
Chemical analysis of aluminum and aluminum alloys Methods
Methods for chemical analysis of aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Aluminum Alloy Chemical Branch Method
Chemical Analysis of Aluminum and Aluminum Alloys Methods
Calcium was formulated by alternating flame atomic dawn light absorption.
Measurement of magnesium content by spectrophotometric method of iodine R
Measurement of calcium content by potassium iodine spectrophotometry||tt| | Determination of lung rare earth hormones by Mitsuba spectrophotometric method, detailed determination of ignition onset atomic absorption light and sales | |tt||Determination of gill base by fire shrinkage atomic absorption spectrophotometry
Determination of preparation quantity by Xinya system spectrophotometry
Determine the amount of peroxide by dividing the mass into two parts and determining the amount by spectrophotometry Determination of titanium content by hydrogen spectrophotometric method
Chemical analysis method for aluminum and aluminum alloys
Grass-salt method for determination of rare earth total3 Quality Certificate
The belt manufacturing factory checks a batch of bad images and issues a quality certificate based on the actual inspection results for the buyer's inquiry: When the user makes a request, the manufacturer shall provide the quality certificate purchased by the inspection station. Vice,
GB/T 36592001
Appendix A
(prompted negative record)
Brief description of the image
A17 gold exhibition has high plasticity, The number is good, and the total resistance to control MP is selected. 11 Coal Winter Cost It is known that the Yingzhiheka
A2F300% welding chain company used by other industries is a complete manufacturer, and the most common resistance is 3EMFa. ES303 welding adopts 1100 and 2CC3 aluminum alloys, and 43104 contains about 5% of the station. Its welding temperature is only the best moving ruler north of the plate! : Gum users have a long history of welding: The welding metal of the E404 electrode has high plasticity, good efficiency, low digging and pulling, and the solidification required is 95MT. It can be treated with 1, 6: Yi series, and 5: series (Mg content is 2.% Below) Aluminum alloys and cast-cast alloys, as well as 11C3003 Shaoquan A4 pieces of multi-aluminum alloys, require welding workers to have excellent performance. In this case, the composition of the selected short strips should be as close as possible to the composition of the base material. Different from the baked strips for this purpose, except for the 1100 lead alloy and 33 lead alloy, the records show that Special order: It is more convenient to use gas to protect the welding force, because it must use gas to protect the electric lead, so it is easy to obtain a solid point and a sufficient charge will be reduced: Attached R
(requirements shown in the figure) )
Comparison table of old and new models
GC/- 3UNS-IAS:
GB/T 6987.1---2301
LB/T 6987.2 2001
GB/T 6987.32301
G1/T $987.4—2001
GB/T 6987.52001
GB/T 6987.6-2001
GB/T 6487.7: 2001||tt| |G3/T 6987.R—2001
GB/ 6987.200
GB:T 6997.10-2m1
G/r 608/.11 -2001
G/T 6987.12—2(01
GR/T 6937.132G01
CB/T $987.14—2C31
Prompt limit:
Quote phase head standard catalog||tt| |Aluminum Alloy Chemical Analysis Methods
Department of Aluminum Alloy Chemical Analysis
Aluminum and Alloying Branch Methods
Chemical Analysis of Phase and Frame Alloys||tt| |Chemical analysis method of aluminum and frame alloy
Chemical analysis method of total aluminum content
Chemical analysis method of aluminum and its estimated total content Fang Hong
Chemical analysis method of aluminum alloy||tt ||Methods of the Aluminum and Aluminum Alloy Chemistry Branch
E:T 56692Gr.
Zhuofan Yishujian Spectrophotoreflective Determination of Feed Amount Meiboributanol Absorption Spectrometry Measurement and Adjustment Display||tt ||The non-spectrophotometric determination of iron content in the non-spectrophotometric medical field is out of the question
Bangsheng Fenbei North Fayuan Dingsheng Point
Determination of manganese content by potassium homosodium spectrophotometric library method|| |tt||Determination of zinc content by door A Shida
Determination of zinc content by flame in high pressure light travel method
Aluminum modified aluminum alloy chemical analysis force method
Alloy Chemistry Branch
Aluminum and Zhihui Gold Chemical Analysis Method
Chemical Analysis Method of Aluminum Alloys
and Aluminum Alloy Chemical Breaking Method
Benzene The base shell photoketone spectrophotometric method determines the amount of real lead in silver and fire road flavor odor absorption |
Determination of determination of gold content by spectrophotometric method
GB/E3669-2001
Langji ship alloy chemical analysis method Flame origin absorption light method Determination of chromium content GB/T6987 .152001
Chemical analysis method for aluminum and smart alloys CDTA determination method for magnesium disk GB/T 6987.16—2001
GB/T 6987.17..-2001
GR/T 6957.18—2001
GB/T6987.192001
GB/T 6987.20—20U1
GB/T 6587.21—2001
GB/T 6987.22—2001
GB/ T 6987.23---2001
GB/T 6987.24—2001
GB/T 6S87.25—2001
Chemical analysis method of Biji Aluminum Public Enterprises
Flame Atomic Sign in to receive the spectroscopy service.
Flame atomic absorption spectrometry for determination of drop marks
Chemical analysis method for aluminum alloys
Recipe for chemical analysis of aluminum and aluminum alloys ||tt ||Xylenol orange spectrophotometric method for determination of magnification
Temporary chemical analysis methods for aluminum alloys
Butyl rhodamine B spectrophotometric method stipulates the chemical analysis method for Whale Station aluminum and aluminum joint ventures Supply
Sales General Cap Alloy Chemistry Branch Fangda
Chemical Analysis Methods of Aluminum and Aluminum Alloys
Chemical Analysis of Aluminum and Aluminum Gold
Chemical Analysis of Aluminum and Alloys Fang Zhang
Chemical Analysis Methods for Aluminum Alloys
GB/T 6987.2G2001
GBT 6S87.27--2001
G15/T 6987.25—2001
GB/T 6987.29—3001
GB/T 698.302001
GB/T 6987.31—2001
GB/T 6987.32--·2001
Chemical analysis of aluminum and aluminum alloys Methods
Methods for chemical analysis of aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Aluminum Alloy Chemical Branch Method
Chemical Analysis of Aluminum and Aluminum Alloys Methods
Calcium was formulated by alternating flame atomic dawn light absorption.
Measurement of magnesium content by spectrophotometric method of iodine R
Measurement of calcium content by potassium iodine spectrophotometry||tt| | Determination of lung rare earth hormones by Mitsuba spectrophotometric method, detailed determination of ignition onset atomic absorption light and sales | |tt||Determination of gill base by fire shrinkage atomic absorption spectrophotometry
Determination of preparation quantity by Xinya system spectrophotometry
Determine the amount of peroxide by dividing the mass into two parts by using two-step spectrophotometry Determination of titanium content by hydrogen spectrophotometric method
Chemical analysis method for aluminum and aluminum alloys
Grass-salt method for determination of rare earth total14—2C31
Recommended:
Reference standard catalogue
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
E:T 56692Gr.
Determination of feed content by spectrophotometry
Determination of iron content by spectrophotometry
Determination of manganese content by potassium permanganate spectrophotometry
Determination of zinc content by flame irradiation
Chemical analysis of aluminum alloys
Chemical analysis of aluminum and alloys
Chemical analysis of aluminum and alloys Analysis method
Chemical separation method of aluminum alloy
Spectrophotometric determination of silver content by phenyl ether
Spectrophotometric determination of diamine by chlorine
Spectrophotometric determination of lead content by chlorine
GB/E3669—2001
Chemical analysis of aluminum and aluminum alloys by flame atom absorption method GB/T6987.15-2001
Chemical analysis method of aluminum and aluminum alloys by CDTA determination of magnesium content GB/T 6987.16—2001
GB/T 6987.17..-2001
GR/T 6957.18—2001
GB/T6987.192001
GB/T 6987.20—20U1
GB/T 6587.21—2001
GB/T 6987.22—2001
GB/T 6987.23---2001
GB/T 6987.24—2001
GB/T 6S87.25—2001
Methods for chemical analysis of aluminum
Determination of content by flame atomic absorption spectroscopy
Determination of content by flame atomic absorption spectroscopy
Methods for chemical analysis of aluminum alloys
Chemical analysis of aluminum and aluminum alloys
Determination of content by xylenol orange spectrophotometry
Methods for chemical analysis of aluminum alloys
Determination of content by butyl rhodamine B spectrophotometry
Methods for chemical analysis of aluminum and aluminum alloys
Chemical analysis of aluminum and aluminum alloys
Chemical analysis of aluminum alloys
GB/T 6987.2G2001
GBT 6S87.27--2001
G15/T 6987.25—2001
GB/T 6987.29—3001
GB/T 698.302001
GB/T 6987.31—2001
GB/T 6987.32--·2001
Chemical analysis methods for aluminium and aluminium alloys
Chemical analysis methods for aluminium and aluminium alloys
Chemical analysis methods for aluminium and aluminium alloys
Chemical analysis methods for aluminium and aluminium alloys
Determination of the content of iodine by the flame atomic force spectrophotometric method
Determination of the content of iodine by the potassium iodine spectrophotometric method
Triamine Determination of lung rare earth element by spectrophotometry, determination of sales volume by ignition atomic absorption spectrophotometry, determination of grass content by flame atomic absorption spectrophotometry, determination of total rare earth content by ion selective electrode, determination of branchial content by flame atomic absorption spectrophotometry, determination of content by new Asian spirit, determination of content by spectrophotometry, determination of content by hydrogen peroxide spectrophotometry, determination of content by titanium content by chemical analysis method of aluminum and aluminum alloys, determination of total rare earth content by grass salt method14—2C31
Recommended:
Reference standard catalogue
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
Chemical analysis methods for aluminum and aluminum alloys
E:T 56692Gr.
Determination of feed content by spectrophotometry
Determination of iron content by spectrophotometry
Determination of manganese content by potassium permanganate spectrophotometry
Determination of zinc content by flame irradiation
Chemical analysis of aluminum alloys
Chemical analysis of aluminum and alloys
Chemical analysis of aluminum and alloys Analysis method
Chemical separation method of aluminum alloy
Spectrophotometric determination of silver content by phenyl ether
Spectrophotometric determination of diamine by chlorine
Spectrophotometric determination of lead content by chlorine
GB/E3669—2001
Chemical analysis of aluminum and aluminum alloys by flame atom absorption method GB/T6987.15-2001
Chemical analysis method of aluminum and aluminum alloys by CDTA determination of magnesium content GB/T 6987.16—2001
GB/T 6987.17..-2001
GR/T 6957.18—2001
GB/T6987.192001
GB/T 6987.20—20U1
GB/T 6587.21—2001
GB/T 6987.22—2001
GB/T 6987.23---2001
GB/T 6987.24—2001
GB/T 6S87.25—2001
Methods for chemical analysis of aluminum
Determination of content by flame atomic absorption spectroscopy
Determination of content by flame atomic absorption spectroscopy
Methods for chemical analysis of aluminum alloys
Chemical analysis of aluminum and aluminum alloys
Determination of content by xylenol orange spectrophotometry
Methods for chemical analysis of aluminum alloys
Determination of content by butyl rhodamine B spectrophotometry
Methods for chemical analysis of aluminum and aluminum alloys
Chemical analysis of aluminum and aluminum alloys
Chemical analysis of aluminum alloys
GB/T 6987.2G2001
GBT 6S87.27--2001
G15/T 6987.25—2001
GB/T 6987.29—3001
GB/T 698.302001
GB/T 6987.31—2001
GB/T 6987.32--·2001
Chemical analysis methods for aluminium and aluminium alloys
Chemical analysis methods for aluminium and aluminium alloys
Chemical analysis methods for aluminium and aluminium alloys
Chemical analysis methods for aluminium and aluminium alloys
Determination of the content of iodine by the flame atomic force spectrophotometric method
Determination of the content of iodine by the potassium iodine spectrophotometric method
Triamine Determination of rare earth ions by spectrophotometry, determination of sales volume by ignition atomic absorption spectrophotometry, determination of grass content by flame atomic absorption spectrophotometry, determination of total rare earth content by ion selective electrode, determination of ignition atomic absorption spectrophotometry ...
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