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Help CenterElectrician Copper Stranded Wire Blank ACSR Cable 16 ~ 400 Mm2 for Electric Transmission
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Certification:ISO 9001:2008, TLC, CCC
Electrician Copper Wire Blank
■ 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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