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This specification refers to "3953-2009 GB/T" standard of "round copper wire".
1 范围
1 range
Requirements, test methods, inspection rules, marking, packaging, transportation and storage of electrical round copper wire materials are specified in this specification.
2 引用标准
2 reference standards
GB/T3048 《电线电缆电性能试验方法 金属导体材料电阻率试验方法》
GB/T3048 "test method for electrical properties of electric wires and cables, metal conductor materials, electrical resistivity test method"
3 要求
3 requirements
3.1电工圆铜线的型号、名称和直径
3.1 type, name and diameter of round copper wire
电工圆铜线的型号、名称和直径见表1。
The type, name and diameter of the round copper wire are shown in table 1.
表1 电工圆铜线的型号、名称和直径
Table 1 model, name and diameter of electrical round copper wire
型 号 名 称 直径 mm
Model name diameter mm
TR 软圆铜线 0.020～14.00
TR soft round copper wire 0.020 ~ 14
TY 硬圆铜线 0.020～14.00
TY hard round copper wire 0.020 ~ 14
TYT 特硬圆铜线 1.50～5.00
TYT extra hard round copper wire 1.50 ~ 5
3.2材料
3.2 materials
电工圆铜线应采用符合GB/T3952《电工用铜线坯》规定的铜线坯制造。
Electrical round copper wire should be used in line with the GB/T3952 "electrician with copper wire blank," the provisions of the copper billet manufacturing.
3.3尺寸及其公差
3.3 dimensions and tolerances
3.3.1电工圆铜线的标称直径及其公差应符合表2规定。
3.3.1 nominal diameter of round copper wire and its tolerances shall be in accordance with the provisions of table 2.
表2 电工圆铜线的标称直径及其公差
Table 2 nominal diameter and tolerance of electrical round copper wire
标称直径d mm 公 差 mm
Nominal diameter mm D tolerance mm
0.020～0.025 ±0.002
0.020 ~ 0.025 + 0.002
0.026～0.125 ±0.003
0.026 ~ 0.125 + 0.003
0.126～0.400 ±0.004
0.126 ~ 0.400 + 0.004
0.401～14.000 ±1%d
0.401 ~ 14 + 1%d
注：计算时标称直径0.401～1.000者保留三位小数；大于1.000者保留两位小数。
Note: when calculating the nominal diameter of 0.401 to 1 to retain three decimal places, greater than 1 to retain the two decimal places.
3.3.2电工圆铜线垂直于轴线的同一截面上测得zui大和zui小直径之值（f值）应不超过直径偏差的值。
3.3.2 the value of the maximum and minimum diameter (F value) of the same cross section of a round copper wire perpendicular to the axis shall not exceed the absolute value of the diameter deviation.
3.4电性能
3.4 electrical properties
电工圆铜线的电阻率应符合表3的规定。
Electrical resistivity of round copper wire should be in accordance with the provisions of table 3.
表3 电工圆铜线的电阻率
Table 3 resistivity of electrical round copper wire
型 号 电阻率ρ20 Ω·mm2/m 不大于
The resistivity model 20. Mm2/m is not greater than
2.00mm以下 2.00mm及以上
2.00mm below 2.00mm and above
TR 0.017241 0.017241
TR 0.017241 0.017241
TY
TY
TYT 0.01796 0.01777
TYT 0.01777 0.01796
3.5 机械性能
3.5 mechanical properties
电工圆铜线的机械性能应符合表4的规定。
The mechanical properties of electrical round copper wire should be in accordance with the provisions of table 4.
表4 电工圆铜线的机械性能
Table 4 mechanical properties of electrical round copper wire
标称直径
Nominal diameter
mm TR型 TY型 TYT型
TR type TY type TYT type mm
伸长率 抗拉强度 伸长率 抗拉强度 伸长率
Tensile elongation at break
% N/mm2 % N/mm2 %
% N/mm2% N/mm2%
不小于
Not less than
0.020 10 421 — — —
0.02010421 - --
0.100 10 421 — — —
0.10010421 - --
0.200 15 420 — — —
0.20015420 - --
0.290 15 419 — — —
0.29015419 - --
0.300 15 419 — — —
0.30015419 - --
0.380 20 418 — — —
0.38020418 - --
0.480 20 417 — — —
0.48020417 - --
0.570 20 416 — — —
0.57020416 - --
0.660 25 415 — — —
0.66025415 - --
0.750 25 414 — — —
0.75025414 - --
0.850 25 413 — — —
0.85025413 - --
0.940 25 412 0.5 — —
0.5 0.94025412 -
1.030 25 411 0.5 — —
0.5 1.03025411 -
1.12 25 410 0.5 — —
0.5 1.1225410 -
1.22 25 409 0.5 — —
0.5 1.2225409 -
1.31 25 408 0.6 — —
0.6 1.3125408 -
1.41 25 407 0.6 — —
0.6 1.4125407 -
1.50 25 406 0.6 446 0.6
0.6446 0.6 1.5025406
1.56 25 405 0.6 445 0.6
0.6445 0.6 1.5625405
1.60 25 404 0.6 445 0.6
0.6445 0.6 1.6025404
1.70 25 403 0.6 444 0.6
0.6444 0.6 1.7025403
1.76 25 403 0.7 443 0.7
0.7443 0.7 1.7625403
1.83 25 402 0.7 442 0.7
0.7442 0.7 1.8325402
1.90 25 401 0.7 441 0.7
0.7441 0.7 1.9025401
2.00 25 400 0.7 440 0.7
0.7440 0.7 2.0025400
2.12 25 399 0.7 439 0.7
0.7439 0.7 2.1225399
2.24 25 398 0.8 438 0.8
0.8438 0.8 2.2425398
2.36 25 396 0.8 436 0.8
0.8436 0.8 2.3625396
2.50 33 395 0.8 435 0.8
0.8435 0.8 2.5033395
2.62 33 393 0.9 434 0.9
0.9434 0.9 2.6233393
2.65 33 393 0.9 433 0.9
0.9433 0.9 2.6533393
2.73 33 392 0.9 432 0.9
0.9432 0.9 2.7333392
2.80 33 391 0.9 432 0.9
0.9432 0.9 2.8033391
2.85 33 391 0.9 431 0.9
0.9431 0.9 2.8533391
3.00 33 389 1.0 430 1.0
1.0430 1 3.0033389
3.15 33 388 1.0 428 1.0
1.0428 1 3.1533388
3.35 33 386 1.0 426 1.0
1.0426 1 3.3533386
续表4 电工圆铜线的机械性能
Continued Table 4 mechanical properties of electrical round copper wire
标称直径
Nominal diameter
mm TR型 TY型 TYT型
TR type TY type TYT type mm
伸长率 抗拉强度 伸长率 抗拉强度 伸长率
Tensile elongation at break
% N/mm2 % N/mm2 %
% N/mm2% N/mm2%
不小于
Not less than
3.55 33 383 1.1 423 1.1
1.1423 1.1 3.5533383
3.75 33 381 1.1 421 1.1
1.1421 1.1 3.7533381
4.00 33 379 1.2 419 1.2
1.2419 1.2 4.0033379
4.25 33 376 1.3 416 1.3
1.3416 1.3 4.2533376
4.50 33 373 1.3 413 1.3
1.3413 1.3 4.5033373
4.75 33 370 1.4 411 1.4
1.4411 1.4 4.7533370
5.00 33 368 1.4 408 1.4
1.4408 1.4 5.0033368
5.30 33 365 1.5 — —
1.5 5.3033365 -
5.60 33 361 1.6 — —
1.6 5.6033361 -
6.00 33 357 1.7 — —
1.7 6.0033357 -
6.30 33 354 1.8 — —
1.8 6.3033354 -
6.70 33 349 1.8 — —
1.8 6.7033349 -
7.10 33 345 1.9 — —
1.9 7.1033345 -
7.50 33 341 2.0 — —
2 7.5033341 -
8.00 35 335 2.2 — —
2.2 8.0035335 -
8.50 35 330 2.3 — —
2.3 8.5035330 -
9.00 35 325 2.4 — —
2.4 9.0035325 -
9.50 35 319 2.5 — —
2.5 9.5035319 -
10.00 35 314 2.6 — —
2.6 10.0035314 -
10.60 35 307 2.8 — —
2.8 10.6035307 -
11.20 35 301 2.9 — —
2.9 11.2035301 -
11.80 35 294 3.1 — —
3.1 11.8035294 -
12.50 35 287 3.2 — —
3.2 12.5035287 -
注：1. 计算时标称直径0.401mm～1.000mm者保留三位小数，大于1.000mm者保留二位小数。
Note: 1 Calculation nominal diameter 0.401mm ~ 1.000mm to retain three decimal places, greater than 1.000mm to retain two decimal places.
2. 标称直径介于表中所列紧邻两个数值之间时，采用较大标称直径值的相应性能。
2 the nominal diameter is between the two values listed in the table, and the corresponding performance of a larger nominal diameter value is used.
3.6外观
3.6 appearance
电工圆铜线表面应光洁，不得有与良好工业产品不相称的任何缺陷。
Electrician round copper wire surface should be smooth, not with good industrial products are not commensurate with any defects.
4 试验方法
4 test methods
电工圆铜线技术要求的试验方法见表5。
Test methods for the technical requirements of round copper wire for electrical engineering are shown in table 5.
表5 电工圆铜线技术要求及试验方法
Table 5 technical requirements and test methods for electrical round copper wire
序号 项 目 试验方法
Serial number item test method
1 尺寸测量 GB/T4909.2
1 dimensional measurement GB/T4909.2
2 外观 目测
2 visual appearance
3 机械性能 GB/T4909.3
3 mechanical properties GB/T4909.3
4 电阻率 GB/T3048.2
4 resistivity GB/T3048.2
5 检验规则
5 inspection rules
5.1检验方法及要求
5.1 inspection methods and requirements
。
5.1.1 new supplier according to 30% different specifications of the number of sampling, but not less than one sample; different types of copper wire production of qualified suppliers, the number of sampling by 20%. If the sampling is not qualified, then according to the raw material control procedures.
5.1.2 new suppliers for the three batch of sampling and quality information to provide a complete person can pass the assessment to the qualified supplier.
5.1.3 for each batch of round copper wire must be accompanied by the supplier's material quality assurance book or test report.
5.2检测项目
5.2 test items
5.2.1 inspection items for size, appearance, tensile strength (hard), elongation and resistivity.
5.2.2 to be unable to detect the performance based on the manufacturer's test report or quality assurance book acceptance, if necessary, the Commission test.
6试验规定
6 test regulations
6.1 after testing, according to the requirements of the original record, and fill in the record form.
6.2 according to the standard requirements and the requirements of this specification, one by one to check, and to determine the conclusion.
Conclusion the 6.3 inspection report in two copies, a retention, a warehouse submitted.
6.4 做好检验状态标识。
6.4 do a good job of inspection status identification.
7 packaging, marking, transportation and storage
77.1 packaging
Electrician round copper wire should be wrapped neatly and properly packaged. When a disc is formed, the last layer should be kept at the edge of the plate.
