GB/T 3428-2002 Galvanized steel wire for overhead stranded conductors
Some standard content:
Ks 29. 060. 10
National Standard of the People's Republic of China
CB/T3428—2002
idt IEc:60888:1987
Zinc-coatcd steel wires for stranded overhead wires
conductors2002-10-08 release
Dragon material version
Dragon English list
2003-04-0 implementation
People's Republic of China
General Administration of Quality Supervision, Inspection and Quarantine
G34282002
Standard values of plated end-plate
In teaching:
Surface quality
Diameter and point diameter tolerance
Length tolerance
Test location
Visual field test supervision-,
Forging test...
12 Contains qualification certificate··
Appendix A (standard recording) The hot-pressed zinc layer is exposed in the appendix of the standard, and the method of measuring the stretch quality of the coated wire is used to gradually increase the output model of the wire..
Zhulong netizens share Zhulong material version
GB/T34282002
This standard adopts the international heart rate committee (1E) standard [EC088:987 standard for selecting coated steel wire, taking into account the coordination and production practice of the B1179999 wire that is more concentric with the overhead conductor, and the habit of using the name is 60%%1? Ratio: This standard supplements the "Appendix of the method for indicating the product model of galvanized steel wire for overhead use" as a reminder. This standard uses the phonetic code to indicate the product plastic FCR1 small zinc coating thickness is divided into S1 and A grade. This standard is a replacement for GB/312K-166 (IEC60861587>S grade aluminum wire chain zinc shaving wire). The main changes between this standard and /3438-1 are as follows: the outer filling rate layer is missing thickening grade (that is, the 2nd grade of galvanized steel wire in 1EK85): Compared with B6, the technical requirements for zinc and steel wire rods and the trial method are specified in detail in the standard and appendix, and GB4 is used again. 51 Price of high-quality carbon steel hot-rolled coil. CB/470-1997 zinc energy GB/28087.GH/T239-999, G11/F2571-19%. G0/T2973-1991 gold extension drawing, postal transfer, old winding and zinc layer page test force method
Supplemented the positive rate of brushing into the center of the picture) \ Overhead stranded wire sensitive zinc steel product model representation method", a total of ten product representation methods, model, hook wire diameter folding standard elimination number, no longer contains the color example line strength: - Supplemented the steel wire extension heat treatment before the finished product drawing electrical joint test recovery index! - No evaluation of the chain effect (/T47 C--2 zinc provisions, but changed to! Determine the zinc needle plate of the small ten 99.853
- In the calculation of the adjustment line 1 should be small When measuring the tensile strength and nominal surface area of the steel wire, the actual surface area of the wire shall be used instead.
This standard shall replace GB/T281997 from the date of implementation.
Appendix A, Appendix K and Appendix C of this standard are reminders.
This standard is under the jurisdiction of the China Electrical Equipment Industry Association and the National Wire and Cable Standardization Technical Conference. The responsible drafting unit of this standard is Shanghai Electric Research Institute. The units that added the standard include: Gongyi Wenli Gold Mesh Products Co., Ltd., Hangzhou Wansheng Zhongxing Steel Co., Ltd., Zhongshui, Haihai Fishery Steel Wire Rope Factory, Majiashan State-owned Steel Wire Rope Factory, Mahengji Steel Wire Products Co., Ltd. The team leader: Chu Hua, Ji Shiyi.
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GB/T3428—2002
IEC front
1. (International Electrotechnical Commission on technical issues of concern to the various national committees. The formal resolutions or agreements made by the Technical Committee on behalf of the national committees are intended to express the international consensus on these issues as much as possible. 2. These resolutions or agreements provide international support for the formation of recommended standards, and in a comparative sense, gain the recognition of national committees. In order to promote international integration, it is hoped that each country will adopt the old 1EC standard as the internal standard within the scope of the common domestic price calculation, and solve the differences between the standard and the corresponding national standard. The national standard should be clearly pointed out as much as possible.
Request for the TF in the promotion of standards? Technical Committee: \ Aluminum Wire "Developed. This standard replaces the F: document 260: 1 flow core record in the frame 1 e plate, service 4 single rental 7.215.1.8. + plan to release the requirements of Article 5 and 9.113.2 and 13.3. This standard can replace the 1EC document 19668 alloy stock in the 4th year, Article 6, Article 14 and 71! 13.4 and the requirements of the English 5 chapter and 9.1, 13.2 and 13.4. The following standard also means the basis for the standard
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Detailed information will be found in the voting report. This standard refers to the following publications;
Voting report
762)44
1S)[:973 Gold layer money material state heat no policy needle development single blood measurement transportation measurement unit area quality product building dragon netizens share building dragon material version
1 Scope
National Standard of the People's Republic of China
Galvanized steel wire for overhead stranded wire
Zinr uuted steel ylres for struuted randuetnrs This standard uses overhead load-bearing structures and (or) reinforcement chain shovel steel wire: GA/T3428_2002
idt IEC G9888:1987
Generation GB/34281997
It includes all single wires of various structures, single diameter (including the range from 1.2.m5.51-mml. In order to meet the needs of the application, there are 3 equivalent grades to choose from: general strength, high strength and special height, respectively expressed by level 1, level 2, and level 4. The galvanized system uses the quality of the small layer per unit area to express the product number of the zinc-coated wire. See Appendix C for the method of indicating the method. The standard of 12 zinc-coated wire is called F, which is relatively high. The following zinc steel wires should be used: Grade A and Grade B: 23°C (kg/dm). 78 Wire expansion coefficient (1/) 115×10
3 Material
Steel appearance should have a complete performance: The zinc content is 85%. The wire is zinc-plated or electroplated, 4 Surface quality
The wire layer should be smooth and have no defects that are not consistent with the good product. The bottom of the steel wire should be relatively appropriate and should not be inconsistent with the good product. Your English trap:
5 Diameter and diameter case
should be measured twice with the surface of the machine and the force of the machine is 9 times, and the test is received twice The measurement of the straightness of the chain line is the first self-standard. When the silver coin layer is single, the steel coin white space is false from the core. The diameter is not allowed to exceed the numerical range specified in Table 3, Table 4, and Table 6. The surface of the lock front layer is not very smooth and the flat belt is produced by hot-dip galvanizing. This actual tolerance is suitable for the following states. The average diameter of the zinc line in the inner area:
6 Length and length tolerance
Detailed example should be based on the actual square rate required for the minimum length of the actual product, the form allows tolerance treatment, unless the purchase of the actual system has a pre-ordered joint material
purchase invention:
Feedback test or product order number table method system is supplemented by this standard, in The General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China 202-1008 batch pool 03-0401 implementation
GB/T34282002
This allows any length shorter or longer than this requirement, 7 head collision
hot turntable or card finished product Xie line: before heat treatment and cold model: it is allowed to use resistance welding or wind north welding to head: the finished steel cut created by the strip drawing by the mountain welding, its tensile strength is not less than the tensile strength of the adjacent unwelded bucket steel wool obtained by the test, and in any case, the tensile strength of the best war is required to be 3.The strength of the wire specified in Table 4 or Table 5 is not required. The finished product drawn according to the specification is not required to pass the specified strength test or torsion test. The requirements for the joints of this steel wire are not changed. In the technical end product sales, please note that the finished wire with layers should not have any type of joints: 8 Sampling || tt || test, the manufacturer should take 10 samples from the micro steel wire in a single length unit. When the batch is large, the manufacturer can prove that the sample has reached the qualitative index of the test. In the case of the purchaser or the manufacturer, the number of samples can be reduced to ensure that each batch of steel is delivered to the manufacturer. 9 Test site || tt || Unless the purchaser and the manufacturer have other terms when placing an order, all tests should be carried out at the manufacturer! 10 Mechanical performance test
All tests are to be carried out on finished zinc seals: 10.11 The finished products
shall be taken together with the test pieces and clamped in the head of the tensile test machine. The load specified in column 2 of Table 1 shall be applied by the purchaser, and the extensometer shall be installed. Then the starting value specified in column 3 of Table 1 shall be used: (If the purchaser and the manufacturer agree on the design, 1m or) mm gauge length may be used: At this time, the extensometer value shall be the starting value specified in Table 1 multiplied by the actual test length m. The ratio of the test piece to the required test shall be calculated.
The load shall be in accordance with the requirements of the test piece. The product shall indicate the requirements of the product. The load should be divided by the product of the reduced section (calculated by the measured diameter) to obtain the apparent force at the peak length. This value should not be less than the number in Table 3. The test piece should be used for the "tension test and elongation test" in Table 1 to determine the stress at the peak length. The actual measured diameter at the point a is: apparent force
and the starting diameter of the test piece
2:3 n:
An test diameter/mams
and other
initial force
extended strength
Yuanlong material version
, other cup A only the starting position can make m this effect is not corrected 10.2 Tensile test
Replace a test piece on each test lamp, and perform a force test on a combined production test machine. Qi 1 Xing Shen long early and 19 minutes long, less sentences are added negative beats, the tensile test machine comes from the transfer or rapid cold into the wood of the sharing
t.1 diagnosis (total position is um/i), also not greater than: the standard). 4 times (unit is m/mi:s) Tao film clothing 5 rent
pulling the wire section divided by the lead armor pin and the construction strength obtained by the empty measurement diameter meter is not less than ten? Long
virtual rotten present fixed value.
GBT 3428
If the test length is marked on the upper side according to the provisions of the stress test at 1% elongation, then the test piece can be connected to the test piece if the elongation rate is far from the standard test,
103 unless the purchase power and the manufacturer have reached an agreement at the time of design. The selected length test is also sufficient for the torsion test. This selection does not affect the quality of the sample line. The length test is reported on each specimen, and the length of each specimen is measured under no-load conditions. The test piece should be tested according to the provisions of the stress test at 1% elongation, and the load is added according to the current requirements of the tensile test. After the test piece is pulled apart, the fracture ends of the test piece are carefully aligned and the maximum length is measured. The length increase is expressed as the percentage of the increase in the length to the original length. The breaking frequency of the test piece must be within the standard, and the effective elongation is not less than the given value in Table 8, Table 4 or Table 5. It is a routine test for quality control. The standard corrected by the coefficient can be used (see the notes of Table 3, Table 4 and Table 5), but there is no special agreement. The 25m1mm standard should be used compulsorily.
h) to test (not suitable for Class 1 energy zinc wire). This test can be used as a batch test for the length rate test: take the most "test piece" from each test piece for the rotation test. The strain of the piece is in two biscuits, one of which can move longitudinally during the test. During the test, a very strong tension should be applied to the piece, which should not exceed 2 times the breaking force of the steel wire, and then it should be rotated by one eleventh standard until the piece breaks. The time is calculated or other appropriate measures are used to indicate the number of rotations. The torsion should not exceed 1/in. The limit is the test piece with a diameter of 10 sieves of zinc grade. The number of rotations should not be less than that in Table 3. Table 4 or Table 5. Heat setting test for the corresponding layer
Take one piece from each zinc steel wire sample and wrap it tightly around the core at a speed not exceeding 11/min (the core is lightly drawn in Table H, Table 1 or Table 5. The needle steel wire is broken at a small point. Table layer quality requirements
Nominal diameter!
Small lower and dance!
Comprehensive type height diameter D
Small stem and Ding
General zinc layer neutral main backlog salt most center estimate
Nominal blue diameter
-1- 25
Panel small:
Back through the strong need galvanized steel wire machine broken clothing. Tie turn requirements and see the winding test signature core material straight office:
Type of length
Strength small officer:
Most heart value:
People limit to mention
Effect of this member
Zhong Changlai
Most heart position "!
Raise to recognize
Core straight grid!
Can be tested frequently
Quick turn effect
Minimum blood
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Standard ball direct control:
Small Ding collection and other T
Three installation tolerance
GBT3428
Table 3 (Complete)
When the
is elongated, the
should be the minimum position!
Tensile strength
Minimum length
The minimum length required
The minimum elongation value is 23m for water removal, mail, other A, see and the number should be quickly used R/>To reach the system effect,
Torsion support test support length: 20 times the total weight of steel, Table 4 Mechanical properties, torsion requirements and recommendations for high-strength zinc wire test mandrel diameter nominal point diameter!
Less than and equal to
Diameter
=3, a5
—2. 91:
±2 57
When the post is long, the
force is small but!
anti-expansion bottom
minimum position!
B level lock layer
minimum,bzxZ.net
hall test
torsion comparison test
tree comparison number,
centering value
the minimum value of the God Army is symmetrical, if the standard length is used, then the number of students using 52/(standard + 400) this system is effective for calibration and stop
lost test sample with degree: according to 10 of the outer diameter of the line. Table
new type of light
less than and equal to
special high severity chain zinc steel wool mechanical properties, torsion requirements and cable test core diameter straight rush office:
+t, u?
1 length of the
shock force to avoid the minimum value/
small suitable:
yan Xiaopao,
roll training test
art direct inspection
installation test
torque effect excitation
minimum work
Donglong material version
element excitation selection
zhulong netizens
the secondary rate is recorded in the small position for 250u. The standard is blood, if the same as other standards are adopted, the slight change is used to make the hair 50/(standard length 1+line correction!
ancestor transfers the test sample length: ask for the continued work, 11 chain zinc layer test
11.1 key zinc layer quality landscape baking
GB/T 3478--7002
The quality of the building layer can be measured by gas volume flow or weight method. The former has the advantages of high accuracy and fast speed. Therefore, it is easier to measure the quality of the building layer than the existing steel plated ... 11.3 The yellow method
except for the record of the existing "Beijing" layer quality method. 11.4 The test of the cost-related danger
Take each steel wire test, one test piece, and the cumulative expansion of the winding on the test core is not more than: 51/m/m, and the core diameter is 3.50 hours and the chain pin diameter is 4 times the chain steel load diameter: the core diameter of the steel wire is 3.59m, and the working hours are 5 times the core diameter of the chain steel. The steel wire should not be cracked, and the zinc layer will not produce dense support due to grinding. 11.5. Test the coating quality by needle-plated steel wool method. Cut a test piece for each coating. There should be no pores after galvanizing. The coating should be relatively smooth. It should be consistent with the actual product. 12. Certificate of conformity. If the buyer has requirements, the manufacturer should provide the product certificate, which should be engraved with all the test results of all samples. Zhulong netizens share Zhulong material version. A1 original buried GB/T3428-2002 Ming Yong A (non-time record). Used to determine the quality of zinc layer. Gas volume method for determining the quality of zinc layer. The gas volume method is based on the principle that the latent metal in the solution will always release a certain amount of hydrogen. The amount of hydrogen is proportional to the amount of free metal. The above is the chemical method. When the temperature is 0.1K and the temperature is 101.3kP, 0.4% hydrogen is released. If the galvanized wire is not sufficiently charged, there may be various problems with the early damage of the management environment. Therefore, the measurement method is only suitable for the zinc-feeding wire. The following reagents should be used: a) Antimony liquid, preparation method: Dissolve 208 or 326 in 100ml of aldehyde salt (1.16 and 1. 13 Pan
6 pan acid (density between 1.16 and 1.13
add = drop concentration) ml. solution to prepare the zinc layer separation solution. A2.1 The zinc selective solution connected to the TS146 door can also be used as an alternative agent: A3 Test equipment
The test table directly includes a 1m1. glass volume tube. There is a tube seal at the bottom of the volume tube. There is usually a core skin at the bottom that will be connected to a container.
-comL The volume tube is engraved with a subdivision of 6.5ml. If it is a small ruler For example, if the diameter of a steel pipe is less than 1.6 mm, it is more convenient to use a 1.0 mm long pipe during normal testing. The test piece is cut accurately from the straightened test piece (with a tolerance of no more than %). The most suitable test piece length is determined by the actual diameter and the quality of the feed layer. The length specified in Table A1 can be used for testing. Table A1 Actual piece length
The final diameter r
includes
Luo ml. o
adjust the amount of adjustment straight light/mm
to change including
test length/nr
5m ml white
A5 test step see
standard zinc layer dissolves into the release device. When the container is in the protective position, the front crown will be filled with the crown tube and a small part of the energy will fall into the device.
During the test, adjust the height of the operation bone, and go to the zinc layer to dissolve slightly to fill the measuring tube until the upper tube is full. The test piece of a certain length is placed in the measuring tube and closed. F. Some cases. The control layer quickly releases oxygen and continues the test until the hydrogen is completely released (I. After the small bubbles are removed, the 2002
GB/T on the bracket is removed 3428
The high efficiency penetrator is at the edge of the measuring tube. The release layer of solution in the measuring tube and the energy release layer are at the same level. The volume of hydrogen must be on the scale of the tube.
When the test is completed, lower the tester to the position below the lower case to discharge all the suspended solution in the tube. Repeat the test according to the steps described above or after the test is completed, open the tube plug and remove the test piece and close it again. It is necessary to use a longer test. It may be difficult to quickly start the test through the tube. This is called dividing the test piece into two or more sections and putting them into the same chamber.
Wash and remove the zinc layer of the steel wire, connect and measure it after drying, and it is accurate to find that 16 calculates the unit surface quality of the zinc-free layer according to the following formula: ·
The effective atmosphere level of the zinc-free layer is .mt.
Or:--
The steel wire with the largest zinc layer is straight;
The length of the test piece is mm
The unit of the test piece length and diameter is equal to 866, and the unit of the feed needle room mass is 17 The correction coefficient of temperature and pressure () is calculated under the conditions of temperature of 20 and pressure of 1C:.3kFa. If the atmosphere is outside the range of 9R.7k1a to 101.0k1, or if it is outside the range of 15 to 22, the values specified in Table 42 should be used. If the limit values derived from pressure and atmospheric pressure are between C.3 and 1.02 (see the marked area in Table 12), no correction needs to be used. Positive supply of temperature and pressure
Temperature·
degrees/mml Le
30. 73-1c. 611 0. 93a0. 666
4230.920 247
6.730>755
n.725 2.752n.770c.856 n.82.8rnc.xn.gs
n. *+ h 4:
. #20 5. 7170. 7714. 650 0. 827.851ic.sgc
0.608a.23:
n.689n.7.: 2. 742n. 768<. nF 0.A225.R48 G.A74.901 41.123
6.1103727
m, 763c.756,n,a_
5.512 0.855
6.595 0.321
0. 670c. ne 4.722n.738c. rg3n. 8_n3. 936;n. 852n.886 n.j5
5. 674 c. 773c,8nn5, 525n. 8313, 67 c.e9e n.722
9. 6r.6 c. 69I u. /17
c.ET n. 3G3
u. 741 2. 3190. 815
0. 742ic. 89
0, 61 r: 6570. 713
0.758r753
n.780 2.31:
98.7 tot.3 1G4.
. 62h 1. 055 1. 08.
.9741.C31
0. 9coc.93a1.011
[. u4x 1.17.:
1.040 1.06
.6001. 026 1. 053
5. 949 0. 987. 19s 1. (ry
3. 931,0. 95c0. Rr 1.0.2
5. p28 0.A551, 18n 1. n05
c.E65 n. 801:5. 91sn. 042
When the difference between the test result and the specified quantity is within the range, if it is necessary to take a negative instead of a positive, the surface and overflow of the test should be checked.
When the gas condensation or the specification affects the test conditions, the coefficient (F) should be corrected. Under sea effect, use the volume of mML or 100nL.
Table A2 gives the correction values for temperature and pressure. H1 Principle H/T:3428-2002 (Standard) Weight method for determining the galvanized laminated discs To find out the thickness of the individual parts, use the hand to remove the sleeves of the metal, and then wipe them clean. Remove the test piece: 1g: The mass (unit) should not be more than 4 times of its unit m: The galvanized layer is obtained by bending the test piece. The test piece is cut according to the 4th standard in Appendix 4. B2 Remove the zinc layer
The zinc solution should meet the requirements of A2 (reagents and 1) or A2.1 in Appendix 4. Repeat the heat treatment of the solution.The time of using meter division method in series is relatively "the following price test brings inconvenience: the temperature of the front concentration should never exceed 1nmL. The front layer solution needs to be dropped. The diameter is 50mm and the depth is 15um. The container needs to be filled with 1mL zinc layer. The intense chemical reaction should not be stopped on the galvanized wire test piece. The test piece should be taken out immediately with acid. The connection factory is thoroughly cleaned with running water, and then the force is called twice at a corresponding vertical rate. The average constant is collected as the diameter of the steel wire. The rate is about 0.1mm. After the measurement, you 4. The quality of the zinc layer shall be calculated to 0.014.
B3. The quality of the zinc layer shall be calculated according to the following formula: The quality of the steel wire unit after the zinc layer is removed shall be calculated according to the following formula: The quality of the steel wire after the zinc layer is removed shall be calculated according to the following formula: The original quality shall be calculated according to the quality of the steel wire after the zinc layer is removed. Appendix C. (Note) The model of the galvanized steel wire for overhead lines shall be indicated by the product model code c1.
c1 Code
Overhead line
Heart 2 strong swallow code
Sound drop strong
Row high strength·
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