江苏春晨电缆有限公司:https://www.ybzhan.cn/st82365/
江苏春晨电缆有限公司专业生产YFFB扁电缆,YFFB扁电缆适用于发电、冶金、化工、港口等恶劣环境移动电器设备之间电器连接,使用环境温度：复合物-40℃～+70℃；聚氯乙烯-15℃～+70℃,
This specification refers to the preparation of "3952-2008 GB/T" standard for electrical purposes.
1 范围,
1 range
This specification provides for the procurement requirements, test methods, inspection rules, packaging, marking, transportation and storage of copper wire for electrical purposes. Suitable diameter is 6 ~ 35.0mm, for further drawing wire or other electrical circular copper wire copper conductor.
2 引用标准
2 reference standards
下列标准均应为有效版本；
The following standards shall be the latest and valid version;
GB/T4909 《裸电线试验方法》
GB/T4909 "bare wire test method"
GB/T3048 《电线电缆 金属导体材料电阻率试验方法》
GB/T3048 "test method for electrical resistivity of metallic conductor materials for electric wires and cables"
GB/T5121 《铜及铜合金化学分析方法》
GB/T5121 "copper and copper alloy chemical analysis method"
GB/T13293 《高纯阴极铜化学分析方法》
Analysis of high purity copper cathode GB/T13293 "learning method"
3 要求
3 requirements
3.1铜线坯牌号、状态、规格应符合表1的规定。
3.1 copper billet grades, status, specifications should comply with the provisions of table 1.
表 1 铜线坯牌号、状态、规格
Table 1 copper wire blank grades, status and specifications
牌 号 状 态 直 径 mm
Grade state diameter mm
T1、T2 热（R） 6.0～35.0
T1, T2 heat (R) 6 ~ 35
TU1、TU2 热（R）
TU1, TU2 heat (R)
硬（Y） 6.0～12.0
Hard (Y) 6 ~ 12
3.2尺寸及其公差
3.2 dimensions and tolerances
3.2.1铜线坯的直径及其允许偏差应符合表2 的规定。
The diameter of the 3.2.1 copper wire and the allowable deviation shall be in accordance with the provisions of Table 2.
表2 铜线坯的直径及其允许偏差
Table 2 the diameter of the copper wire and the allowable deviation
标称直径mm 允许偏差mm 标称直径mm 允许偏差mm
Nominal diameter mm allowable deviation mm nominal diameter mm allowable deviation mm
6.0～6.35 +0.5
6 ~ 6.35 +0.5
-0.25 ＞12.0～19.0 ±0.5
-0.25 > 12 ~ 19 + 0.5
＞19.0～25.0 ±0.6
> 19 ~ 25 + 0.6
＞6.35～12.0 ±0.4 ＞25.0～35.0 ±0.8
> 6.35 ~ 12 + 0.4 > 25 ~ 35 + 0.8
3.2.2铜线坯应成卷供应，每卷应为连续一根，不允许焊接。
3.2.2 copper blanks should be supplied in rolls, each of which shall be a continuous one, and shall not be allowed to be welded.
3.3力学性能
3.3 mechanical properties
表3 铜线坯的力学性能
Table 3 Mechanical Properties of copper wire blank
牌号 状态 直径
Grade state diameter
mm 抗拉强度 N/mm2
Mm tensile strength N/mm2
不小于 伸长率 %
Not less than elongation%
不小于
Not less than
T1、TU1 R 6.0～35 — 40
TU1, R T1 6 ~ 35 - 40
T2、TU2 — 37
TU2, T2 - 37
TU1、TU2 Y 6.0～7.0 370 2.0
TU2, Y TU1 6 ~ 2 7.0370
＞7.0～8.0 345 2.2
> 7 ~ 2.2 ~ 8.0345
＞8.0～9.0 335 2.4
> 8 ~ 2.4 ~ 9.0335
＞9.0～10.0 325 2.8
> 9 ~ 2.8 ~ 10.0325
＞10.0～11.0 315 3.2
> 10 ~ 3.2 ~ 11.0315
＞11.0～12.0 290 3.6
> 11 ~ 3.6 ~ 12.0290
铜线坯的力学性能应符合表3的规定，硬态铜线坯充分退火后应满足表3中相应牌号热态产品的伸长率要求。
The mechanical properties of copper wire should be in accordance with the provisions of Table 3, the hard state copper billet should meet the requirements of the corresponding grades in Table 3 after full annealing.
3.4扭转特性
3.4 torsion characteristics
。
The diameter of 6.0mm ~ 10.0mm (hot) T1, T2 grade copper wire should be carried out after torsion torsion test, there should not be ruffled and inclusion defects, bright metal skin does not crack as a criterion of unqualified products. The torsion properties of different grades of copper wire should be in accordance with the provisions of table 4.
表4 铜线坯扭转性能
Table 4 torsion property of copper wire
牌号 状态 正转转数 反转至断裂的转数，不少于
The state is reverse to the speed grade fracture speed, not less than
T1、TU1 R 25 25
TU1, R T1 2525
T2、TU2 25 20
T2, TU2 2520
3.5电性能
3.5 electrical properties
3.5.1采用4.5.2条规定的试样时，铜线坯的电阻率应符合表5的规定。
The resistivity of the copper wire should be in accordance with the provisions of table 5 when 3.5.1 is specified by 4.5.2.
表5 铜线坯的电阻率
Table 5 resistivity of copper wire
牌 号 状 态 体积电阻率ρ20 Ω·mm2/m
The volume resistivity of state grade 20. Mm2/m.
不大于
Not more than
T1、TU1 R 0.01707
TU1, R T1 0.01707
T2、TU2 0.01724
T2, TU2 0.01724
TU1 Y 0.01750
Y TU1 0.01750
TU2 0.01777
TU2 0.01777
3.5.2采用4.5.3条规定的试样时，铜线坯的电阻率应符合表4中相应牌号热态产品的规定指标。
3.5.2 the resistivity of the copper wire should conform to the provisions of the corresponding grades in Table 4 when the 4.5.3 is used for the test.
3.6表面质量
3.6 surface quality
3.6.1铜线坯应圆整，尺寸均匀。
3.6.1 copper billet should be round, uniform size.
3.6.2铜线坯表面不应有皱边、飞边、裂纹、夹杂物及其他对使用有害的缺陷。
3.6.2 copper billet surface should not be ruffled, flash, cracks, inclusions and other defects on the use of hazardous.
4 试验方法
4 test methods
4.1氧含量试验
4.1 oxygen content test
The oxygen content of T1 TU1 and 4.1.1 grade copper wire is according to GB/T13293, and the oxygen content of T2, T3 and TU2 grades of copper wire is according to GB/T5121.
4.1.2氧含量的测定应符合表6的规定。
Determination of 4.1.2 oxygen content should be in accordance with the provisions of table 6.
表6 铜线坯的氧含量
Table 6 oxygen content of copper wire
牌 号 氧含量 %
Grade oxygen content%
不大于
Not more than
T1 0.045
T1 0.045
T2、T3 0.050
T2, T3 0.050
TU1、TU2 0.0010
TU1, TU2 0.0010
4.2尺寸测量方法
4.2 dimensional measurement method
铜线坯的尺寸测量方法按GB/T4909.2的规定进行。
The measurement method of the size of the copper wire is carried out according to the provisions of GB/T4909.2.
4.3力学性能检验方法
4.3 mechanical property test method
铜线坯的室温拉伸试验按GB/T4909.3的规定进行。
The room temperature tensile test of copper wire blank is carried out according to the provisions of GB/T4909.3.
4.4扭转试验方法
4.4 torsion test method
4.4.1扭转试验按GB/T4909.4的规定进行。
4.4.1 torsion test according to the provisions of GB/T4909.4.
4.4.2 samples should be taken from 3.6.1 and 3.6.2 to check the qualified copper wire. The original gauge length is 300mm, reverse speed should not exceed 30r/min; samples around the axis of rotation specified in Table 4 is transferred, and then transferred to the reverse fault.
4.5电性能检验方法
4.5 electrical performance test methods
4.5.1铜线坯电阻率测试方法按GB/T3048.2的规定进行。
The resistivity test method of 4.5.1 copper wire blank is carried out according to the regulations of GB/T3048.2.
4.5.2电阻率试验可在经酸洗但未经进一步加工和退火的铜线坯试样上直接进行。
4.5.2 resistivity test can be carried out directly on the sample of copper wire, which has been processed by pickling without further processing and annealing.
4.5.3 resistivity test can also be prepared according to the following methods: samples were determined by acid and sample processing to the diameter of 2mm to oil, by 500 to 550 DEG C protective atmosphere annealing in 30min, then in the same atmosphere quickly transferred to the cooling water.
4.6表面质量检查方法
4.6 surface quality inspection method
铜线坯的表面质量用目视检查。
Visual inspection of surface quality of copper wire.
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 each batch of incoming wire billet according to GB/T3952-2008 standard requirements for sampling inspection, the same specifications, the same time as the production of a batch (less than 60T), and the complete package, with product certificate.
5.1.2 each batch of sampling inspection items according to the provisions of GB/T3952-2008, size deviation, tensile strength, elongation, resistivity, torsion, appearance and other inspection.
5.1.3 each batch of 30T and the following to take no less than 1 samples, 30 ~ 50T should be no less than 2 samples, 60T and above to take not less than 3 samples. Electrical performance is not qualified, the batch of substandard. Tensile strength, elongation, torsion, surface quality, size deviation is not qualified, that should be checked by volume, according to volume determination.
5.1.4对报检的每批铜线坯必须附有供方材料的质保书或检测报告。
A warranty or inspection report for each batch of copper wire 5.1.4 for inspection and quarantine must be accompanied by a supplier of materials.
5.2检测项目
5.2 test items
5.2.1可检项目为尺寸、外观、伸长率和电阻率。
5.2.1 inspection items for size, appearance, elongation and electrical resistivity.
5.2.2对于无法检测的性能依据生产厂商检测报告或质保书验收，必要时作委外试验。
5.2.2 for the inability 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 试样检测后按要求做好原始记录，并填写记录表格。
6.1 after testing, according to the requirements of the original record, and fill in the record form.
6.2 依据标准要求和本
6.2 according to the standard requirements and the
