Jintian has bare copper wire for sale, which are widely used in industries such as transposed conductors, ultra-high voltage cables, various types of wires and cables, various types of enameled wires, network wires, electronic wires and communication wires.
Bright surface without burrs
Superior performance and quality
Can meet your technical requirements for drawing fine lines, fine lines and special products
| Product properties | Internal Control Standards | ||
| ±10turns | Copper spikes | None | – |
| Crack | Total less than 3cm | – | |
| Peel off | Total less than 3cm | – | |
| Copper powder(mg) | ≤5mg | ≤15mg | |
Turns until torsion(turns) | Without any bell-shapes or cracks | ≥25 | |
| Oxygen content(ppm) | 200-250 | ≤400 | |
Number of flaws detected | (L) | ≤1 | – |
| (M) | ≤3 | – | |
| (S) | ≤30 | – | |
Number of iron detected | (L) | 0 | – |
| (M) | 0 | – | |
| (S) | 0 | – | |
| Elongation(%) | ≥40 | ≥40 | |
| Diameter | 8.0±0.2mm | 8.0±0.4mm | |
| Resistance | ≤0.01704 | ≤0.01707 | |
| Oxide layers | ﹤600 | – | |
| Appearance | Smooth surface, no burr, no impurities or other flaws | Smooth surface, no burr, no impurities or other flaws | |
Production condition | Blocks in the furnace | none | – |
| Cold copper | none | – | |
Stabilitu of copper water temperature | ±5℃ | – | |
| Stability of ingot temperature | ±5℃ | – | |
| Casting condition | Without significant fluctuations in the level | – | |
| Others | Normal and Stable | – | |
The conventional production process:
GB/T3953-2009, GB/T4910-2009, GB/T12970-2009, GB/T3952-2016
Tel:
E-mail:
Address:
No.1 Chengxi West Road, Cicheng, Ningbo, China
Ms.Yu
Ms.Sun
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