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B2B Services
Bare Copper Wire (8mm)
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Product properties |
Internal Control Standards |
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±10turns |
Copper spikes |
None |
– |
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Crack |
Total less than 3cm |
– |
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Peel off |
Total less than 3cm |
– |
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Copper powder(mg) |
≤5mg |
≤15mg |
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±Turns until torsion(turns) |
Without any bell-shapes or cracks |
≥25 |
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Oxygen content(ppm) |
200-250 |
≤400 |
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Number of flaws detected |
(L) |
≤1 |
– |
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(M) |
≤3 |
– |
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(S) |
≤30 |
– |
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Number of iron detected |
(L) |
0 |
– |
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(M) |
0 |
– |
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(S) |
0 |
– |
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Elongation(%) |
≥40 |
≥40 |
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Diameter |
8.0±0.2mm |
8.0±0.4mm |
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Resistance |
≤0.01704 |
≤0.01707 |
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Oxide layers |
<600</p> |
– |
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Appearance |
Smooth surface, no burr, no impurities or other flaws |
Smooth surface, no burr, no impurities or other flaws |
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Production condition |
Blocks in the furnace |
none |
– |
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Cold copper |
none |
– |
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Stabilitu of copper water temperature |
±5℃ |
– |
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Stability of ingot temperature |
±5℃ |
– |
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Casting condition |
Without significant fluctuations in the level |
– |
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Others |
Normal and Stable |
– |
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The conventional production process:
Bare Copper Wire (8mm) Production Process
01
Raw materials
02
Melting
03
Casting
04
Surface treatment
05
Rolling
06
Acid-free cleaning
07
Liquid wax spraying
08
Wire take-up
09
Finished product inspection
10
Compacting
11
Packaging
12
Storage
Bare Copper Wire (8mm) Executive Standard
GB/T3953-2009, GB/T4910-2009, GB/T12970-2009, GB/T3952-2016
As one of bare copper wire manufacturer, we can provide kinds of bare copper wire for sale, if you want to buy bare copper wire, please contact us.
Good deal: buying from seller
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This page is about importers and exporters of Bare Copper Wire (8mm) Search in a category : B2B Services Search in a category : bare, wire, copper |
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