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Specifications
1.Has passed CE,ISO,CCC,PCCC...certificate2.sell well in Europe, America, Asia and Africa.
3. Standard GB,IEC,AS
Product standard: GB/T3952-1998
According to the requirement of wide customer our company can produce copper single wire and bared wire, etc with any specification.
The diameter of wire blank and its allowable deviation should be in conformity with the regulations in following list:
Diameter mm |
6.0~6.35 |
>6.35~12.0 |
>12.0~19.0 |
>12.0~19.0 |
>25.0~35.0 |
Allow deviation |
±0.5-0.25 |
±0.4 |
±0.5 |
±0.6 |
±0.8 |
Note: The copper wire blank should be supplied in coiled. Each coil should be one continuous piece and does not permit to weld.
Mechanical property
The mechanical property of copper wire blank should be in conformity with the regulations in following list. Hard copper wire blank after anneal should meet the requirement of elongation of hot state product with relative brand in following list.
Type |
Status |
Diameter m |
N/mm2 D.C. resistance≥ |
% Rate of elongation |
T1, TU1 |
R |
6.0~35 |
— |
40 |
T2,T3,TU2 |
— |
35 |
||
TU1,TU2 |
Y |
6.0~7.0 |
370 |
2.0 |
>7.0~8.0 |
345 |
2.2 |
||
>8.0~9.0 |
335 |
2.4 |
||
>9.0~10.0 |
325 |
2.8 |
||
>10.0~11.0 |
315 |
3.2 |
||
>11.0~12.0 |
290 |
3.6 |
Torsion characteristic
T1, T2 and T3 brand copper wire with 6.0~22.0mm of diameter should carry out torsion test. After torsion it should not appear the defects such as wrinkle, impurity, etc. The bright metallic crack is not as the judged basis of reject.
Electric property
Type |
Status |
The volume resistivity should not be more than |
T1,TU1 |
R |
0.01707 |
T2,T3,TU2 |
0.01724 |
|
TU1 |
Y |
0.01750 |
TU2 |
0.01777 |
Surface quality
1, Copper wire blank should be round and tidy, the size should be uniform.
2, Copper wire blank surface should not exist in frilling, flash, crack, impurity and other harmful defect for use.
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