Some standard content:
ICS 23.020.30
National Standard of the People's Republic of China
GB/T116402001
Seamless aluminium alloy gas cylinder2001-01-10Promulgated
2001-10-01Implementation
State Administration of Quality Supervision, Inspection and Quarantine
G/T116402001
Applicable standard
Technical design, number
Type, effect
Technical requirements
Test method
Inspection regulations
Marking, coating, location, installation, transportation, storage..8
|9Product certificate and batch inspection certificate....Attached Yong A (standard Appendix》Screening test
Application record B (standard appendix)
Appendix core (suggestive appendix)
Filling torque of aluminum alloy gas
Recommended filling gas
Appendix to batch inspection quality certificate of aluminum alloy gas plate (suggestive appendix)
GB/T11640—2001
This standard is a copy of GB/116191989 Mingtai Jinneng gas cabinet. The content is as follows
. In the grid or dynamic structure, it is written according to GB/1.1—1998 standard The basic provisions of this regulation 3 and GB/T1.3-1987 standardization 1 are used as the guide for the preparation of product standards. The new regulations are arranged as follows: 2. Reference international standards 1907866:1999 Design, inspection and test of single-core aluminum alloy non-continuous gas facilities or the calculation formula of the pressure head radius dynamic water overflow pressure in the test; 3. In the selection of materials, the internationally recognized 6061 grade of material for manufacturing seamless gas cylinders is added: 1. Add Appendix A: Network test:
5. Add Appendix B: Such as the system B of the standard gas equipment manufacturer, this standard is difficult to appendix A, Appendix Appendix B is the time table of the standard. Appendix C and Appendix D of this standard are the indicative appendices. This standard shall replace G1164·199 from the date of implementation. This standard is submitted by the National Quality and Technical Supervision Administration. This standard is under the jurisdiction of the National Gas Cylinder Standardization Technical Committee. The drafting units of this standard are Yang Keqi New Material Development Co., Ltd., Shanghai Gao Lerui Department, and Hardware Safety Machinery:. The ten main contributors of this standard are: Jiang Jiang, Yu Qigu, Chen Hanquan, Xin Huaiye, and Fu Quan. 1 Scope
National Standard of the People's Republic of China
Aluminum Alloy Seamless Gas Cylinders
Seamless alurainium alloy gas cylinder GB/T11640-2001
Chemical GB/T11S4—1980
The standard specifies the types and specifications, technical requirements, test methods, inspection rules, as well as punctuation, divisor, packaging, transportation and storage requirements of alurainium alloy gas cylinders (hereinafter referred to as alurainium cylinders). This standard is applicable to the design and manufacture of mobile gas cylinders with a nominal pressure of 1~30MPa, a nominal volume of 0.1~50L, and an allowable temperature not exceeding 60°C. The heavy oxygen cylinders are used to store chemically stable permanent gases or oxidized gases. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard by being cited in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and the parties using this standard should explore the possibility of using the following standard versions. GB/1 228—1981
GB/T 230-- 1991
GB/T231—19R1
GB/T2321999
Metal tensile test method
Metal hardness test method
Metal fabric hardness test method
Metal materials and bending test method
GK/T S191—i998
GB/T3246—1982
GR/T 3217 1982
GB/T3880—1907
CB/T4486-1695
GB/T 4437—1SH4
Aluminum and lead alloy bridge bars
Frame products Microstructure inspection of alloy products Replacement of aluminum alloys with aluminum alloys 1. Product microstructure inspection Aluminum and aluminum alloy rolling series
Aluminum and aluminum alloy pipe dimensions and allowable deviations Aluminum and aluminum alloy hot extrusion pipe
Deformed aluminum alloy products Ultrasonic acid secretion inspection method GR/T65191S86
GB/1 $393—1386
1. Industry quality report and enterprise efficiency construction pipe
GB/T5387.1~6987.24—1986 Chemical analysis method for aluminum and lead alloys Gl5 7144—1956
GB 93351998
Gas cylinder color mark
Special thread for gas cylinder
GH/1 5251—1997
GB/T9252—2001
GB/T 12137
Gas cylinder internal pressure test method
Gas cylinder test method
Gas release air tightness test method
GB/T13005:-1991
GL/T 13440—1992
GB15385—1994
Gas cylinder explosion test method
Gas cylinder water positive explosion test methodbzxz.net
National Quality and Technical Supervision WeekApproved on 2001-01-10Implementation on 2001-10-01
3 Terms and symbols
3.1 Others
GB/T11640—-2001
Refers to aluminum base materials with the same design, the same nominal diameter and weight, designed thickness, the same furnace chain, pressure relief material, plate or material, made by the same manufacturing method, and treated according to the same heat treatment standard. Other terms shall be in accordance with GR/T13005. 3.2 Derivative number
Aluminum shell outer diameter: nm;
: Internal diameter, mm;
Diameter of the ring when under pressure (or tension), mmL Design thickness of the bottle shell, mm
Minimum wall thickness of the bottle body:
S. Average wall thickness of the bottle body, mm
P Force under water repellency test, Mia;
Guaranteed tensile strength value of the bottle body material after heat treatment, MPaFh||t t||The actual value of tensile strength of the body material after heat treatment, MPao; The total guaranteed value of residual elongation of the body material after heat treatment, MPa; The minimum actual value of residual elongation w of the body material after heat treatment, MPa..
Integral stress coefficient:
Elastic modulus of material, MPa;
Storage coefficient;
Elongation of broken piece, %
Calculated value of water explosion pressure MPa
For bending test, it is the ratio of the deformed diameter of the object to its actual value and the integral value! For the slice test, the ratio of the pressure diameter of the flattened test tube to the average value of the test diameter is taken as the core diameter of the test tube.
The pressure head of the pressure test is half busy;
The pressure head interval of the positive test is, rLI:
s, the minimum design height of the bottle bottom, mm:
The height of the bottom of the bottle, mm:
The half length of the spherical bottom, mm:
The length of the circumferential tearing, mm.
4. Type and specification
4.1 The body section shall conform to the type shown in 1. The bottle structure and main components are shown in Figure 2. 1.2 The nominal volume and outer diameter of the bottle shall conform to the provisions of Table 1. GB/T 11640-200:
Attached, leather
Figure 2 Plastic structure of plastic bottle
Small container
Zhong'an Education
Nominal customer period V.1
0. +~2. c
2. .--6. 9
7.c~-12. n
15. n~35.0
38.n~.50. 0
GB/T ↑1640—2001
Table 1 Aluminum nominal diameter and outer diameter
Chemical volume allowable constant, Xing
Note: The user can use other specifications for volume analysis and outer diameter size. Technical requirements
5.1 Materials
The chemical composition of the bottle material shall comply with the provisions of Table 2. 5. 1.1
60.75.85.108
106,120,:40
140,1:2,159,160
263,219
219,229,232
Version of chemical composition
Code
n.40~:0. 80
0. 15~ n. 40
3. 50~ -1. 20
3. 31--3. 35
The best choice
fill in the code, K
0. 70 - 1. 30
0. 400. 60
0. 4G-0. 80
5.1.2 The bottle body may be made of other materials with good corrosion resistance, but they shall pass the corrosion test. For the corrosion test, see Appendix A (standard risk list). 5.1.3 The materials used in the manufacture of the bottle must have a quality certificate from the refinery and can only be put into production after passing the re-inspection. 5.1.4
a) The surface should be smooth and free of cracks, interlayers, impurities and metal inclusions, but it is not allowed to have repair marks. 6) The fracture surface shall not have defects such as air entrainment, porosity, cracks and other inclusions that affect the mechanical properties. r) There shall be no segregation. The product particle size shall not be lower than the grade specified in GB/T3247-1982. d) A 100% re-production inspection shall be carried out. During the inspection, the surface shall be along the mirror direction and perpendicular to the desired axis, at an angle of! \ two directions, the maximum damage shall not exceed the damage of the standard replacement. The standard block is required to be made of materials with the same chemical composition, and the diameter of the flat bottom hole is 2m.
5.1.5 Extrusion sample
) Except for the chemical composition, the bottom shall comply with the provisions of GB/T3191. 1) It must be subjected to 100% ultrasonic testing according to 3.1.4) to be qualified 5.1. 6
GR/T11640—2001
1) In addition to chemical composition, it shall comply with the provisions of GB/T388U; 1h) It must be 100% super wave inspection and qualified according to GB/T6519. 5.1.7 Pipe materials
a) In addition to chemical composition, it shall comply with the provisions of CB/T<437; 1) The overall size, thickness tolerance and internal and external surface quality level shall not be lower than the provisions of H/14436H/4437 or G13/6893; c) The casting of production materials must be in accordance with: 1.1d) 100% super wave inspection and qualified. 5.2 Design
5.2.1 The design thickness of the bottle shall be based on the double hydraulic pressure test pressure, and the hydraulic pressure test pressure shall be 1.3 times of the working pressure. 5.2.2 The residual elongation shall not be greater than 85% of the minimum tensile strength. 5.2.3 The wall thickness of the simplified body shall be calculated according to formula (1) and shall meet the requirements of formula (2) and shall not be less than .m. S
5.2.4 Bottle bottom structure type
a) Hemispherical See Figure 3)
With [See 36
c) Spherical [See Figure He), e)
5.2.4.1 The wall thickness of the spherical body shall not be less than .m. 5.2.4.2 The structural dimensions of the special bottom shall meet the following requirements: PD
P=, ID
5.2.4.3 The structural dimensions of the special bottom shall meet the following requirements: SIAS
Figure 3 Bottom structure
GB/116402007
52.5 Along the bottle mouth wall, starting from the discharge groove, the body design thickness shall not be too small. The torque can be subjected to the upper torque. The torque varies with the diameter and shape of the case. The size of the torque shall refer to the provisions of the standard (see Figure B: resistance). 52.6 The bottle body shall be subjected to the cyclic pressure test. The upper limit of the cyclic pressure that the bottle body can withstand should be tested under the nominal pressure for the next cycle or it should be tested under the pressure for 1 cycle without damage. If the test fails, the bottle body shall not be used. 5.3 Manufacturing
5.3.1 In addition to meeting the requirements of this environment, the manufacturing of aluminum bottles shall meet the requirements of the product drawings and technical specifications. 5.3.2 During manufacturing, the materials shall be processed according to the furnace and batch number. 5.3.3 Lead bottles shall be made by extrusion or stamping forming, and then closed. 5.3.4 Allowable manufacturing tolerances for bottle bodies
5.3.4.1 The difference between the maximum and minimum outer diameters of the cylinder measured in the vertical direction shall not exceed 2 degrees of the average outer diameter of the cut surface. 5-3.4.2 The straight line diameter of the cylinder shall not exceed 3% of the total length of the cylinder. 5.3.5 Requirements for internal and external surfaces
5.3.5.1 The internal and external surfaces of the bottle should not have visible folds, cracks, grooves, pits, or other depressions that affect the strength. 5.3.5.2 The surface requirements of the new product should be polished, and the defects such as grooves or grooves in the product part should be repaired. However, the pressure should be less than the design of the part.
5.3.5.3 The internal surface of the bottle should be cleaned and there should be no residual diamond, oil, attached books or other debris. 5.3.6 Heat treatment
53.61 The bottle should be treated in order, and the small accumulation should not be done! For a batch of 502, the storage capacity is not small,
5.3-6-2.1. The molded body must be solidified and aging treated before each test. The mechanical properties of the bottle body after treatment should meet the requirements of Table 3.
Table 5 Mechanical properties of the bottle body after heat treatment Mechanical properties Material code 5.3.6.3 During the heating process of the bottle body, there shall be no overburning phenomenon, and the over-baked body must be rated. 5.3.7 Bottle mouth frequency aging
5.3.7.1 The internal aging degree shall meet the requirements of CB5335. 331
5.3.7.2
The thread type is not allowed to have flat teeth, double teeth, flat teeth tips, obvious gaps and hairs between teeth and on the surface of the thread.
GR/T 1164C- 2001
5.3.7.3 The internal thread effect of the bottle mouth of special-purpose aluminum bottles can be designed according to special requirements. 5.3.8 For parts
5.3.7.1 According to the aluminum structure and application requirements, the pump ring, pre-root, bottom and other parts are designed. 3.7.2 The light research and application requirements are not different. The bottle body should be connected with the bottle body for 2 to 5 days after assembly. 5.3.8.3 The connection between various accessories and the bottle should be made by screws, other methods, and welding or fiber core methods. 5.3.9 5.3.9.1 The initial value should be less than H or 8RB. 5.3.9.2 The tensile test result should meet the requirements of Table 3. 5.3.9.3 The metallographic inspection is acceptable if the weld is not burned into the weave. 5.3.9.4 The flow part is qualified by any multiple inspection, and the test piece must be tested to pass the core radius crack. The core diameter is calculated according to the formula S), 5.3.9.5 where the actual tensile strength is determined by the formula below. 5.3.9.6 The test is qualified if there is no crack between the head of the diseased base.) The diameter of the indenter is calculated by formula (4):
R, ast
wherein it depends on the actual bed disturbance strength of the material, and the angle of the indenter face is i
) The indenter interval is shown in Table 4:
Table 4 Relationship between tensile strength and n value
Actual tensile strength.ME
VE---43
5. 3. 9. 7 Water pressure test
3) Restore the pressure to 1.5 of the nominal working pressure for water pressure test, and keep it under the test pressure for 1m. During the pressure keeping time, if the pressure gauge indicator drops, the cabinet shall not have any deformation.) Under the test pressure, the volumetric deformation rate of the product shall not exceed %. The calculation method of the volumetric deformation rate shall comply with the provisions of 0/9231.
5.3.9.8 Gas flow test
The cylinder must be tested for air tightness after the water pressure test. The door shall be tested for air tightness at the nominal working pressure. The cabinet shall be placed in water under the working pressure. No ingress shall be allowed. =) Leakage caused by assembly error can be tested after return. 5.3.9.9 Water pressure test The actual breaking force of the amine
shall not be less than the formula (S? Design God fear: 29, · 5
% = -
) The bottle body acid mouth should be a fabric and some cracks (see reading, no ball piece, no obvious metal on the crack 5
6 Test wall method
GD/T71640-2001
Figure 1 Water combustion crack shape and size
6.1 The chemical composition of the bottle body material shall be divided according to GB/T6S87.1.~4987.24. 6.2 The manufacturing public relations shall be tested with standard measuring tools and special oil measuring tools, and the pre-body call shall be checked by the state sequence instrument. 6.3. The sample collection for the determination of various performance indicators after the heat treatment of the bottle is shown in Figure 5. Low-power test sample
Ancient family,
Metallographic sample
Electrode sample
Sample diagram
6.3.1 The tension test shall be carried out in accordance with GB/T*230 or GB/T231. 6.3.2 Pull test
a) Take two samples symmetrically from the mouth of the bottle cylinder. h) Sample preparation and test method shall be carried out in accordance with GB/228. 6.3.3 Jinzhou test
a) Take a sample from the body of the sample bottle, h) Sample preparation and test method shall be carried out in accordance with GB/13246: 6.3.4 Bottom low-power test
a) Cut a certain length from the bottom of the sample bottle and remove the sample along the center. b) The preparation method of the test must be in accordance with GB/T3247: 6.3.5 Bend test
a) Take a cylinder from the tube or the cylinder, divide it into three equal parts, and make two specimens for each. The width of the specimen is 4 times the thickness of the bottle body, but not less than 25mm. The specimen limit surface is not more than 12.5m. The radius of the side is not more than 2m1. 6) The method of applying the specimen shall be in accordance with GB/T2+ and the bending shall be carried out according to Figure 5. 6.3.6 The fan test method shall be carried out according to G3/T13440. ）The middle part of the object is effectively entered into the market. Between the ten practical examples, the continuous bottle body is subjected to the micro pressure head with a degree of 20--50/m, as shown in Figure 8. The length of the pressure should not be less than the width of the bottle body after the pressure fan is pressed. Schematic diagram of the test
b Pressure fan
Figure? Positive angle test peak danger diagram
6.3-7 Water pressure test is carried out in accordance with GB/T251. 6.3.84 Tightness test is carried out in accordance with GH/T12137.
6-3.9 Water pressure explosion test is carried out in accordance with GB/T153R-. 6.3.10 The inner screw of the bottle is checked with the standard specification of CB8335. 6.3.11 The live bottle inspection shall be carried out in accordance with G8/T9252. 7.1.1 Inspection of each bottle before delivery: All bottles before delivery shall be inspected according to the items specified in Table 5. 7.1.2 Quality inspection: The lead bottles before delivery shall be inspected in batches according to the items specified in Table 5. 7.1.3 Sampling and inspection rules 7.1.3.1 The materials used to make bottles shall comply with the relevant standards and have a certificate of conformity. 7.1.3.2 The verification of bottle body materials shall be carried out by taking samples from each batch of aluminum materials of the same brand, furnace number and specification according to the re-inspection rules in the material standards.
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