| 产品性能 Product Properties | 内控标准 Internal Control Standards | – |
|---|---|---|
| 产品性能 Product Properties | ||
| ±10转 turns | 铜刺 Copper spikes | 无 None |
| 裂缝 Crack | 合计3cm以下 Total less than 3cm | |
| 剥离 Peel off | 合计3cm以下 Total less than 3cm | |
| 铜粉（mg）Copper powder | ≤5mg | ≤15mg |
| ±10转至扭断（转数）Turns until torsion (turns) | ≥30 没有不良喇叭口状或裂缝 Without any bell-shapes or cracks | ≥25 |
| 含氧量 (ppm) Oxygen content | 200-250 | ≤400 |
| 探伤数 Number of flaws detected | 大（L） | ≤1 |
| 中（M） | ≤3 | |
| 小（S） | ≤30 | |
| 探铁数 Number of iron detected | 大（L） | 0 |
| 中（M） | 0 | |
| 小（S） | 0 | |
| 伸长率（%）Elongation | ≥40 | ≥40 |
| 线径 Diameter | 8.0±0.2mm | 8.0±0.4mm |
| 电阻 Resistance | ≤0.01704 | ≤0.01707 |
| 氧化层（埃）Oxide layers | ﹤600 | – |
| 外观 Appearance | 表面光滑，无飞边、夹杂等缺陷 Smooth surface, no burr, no impurities or other flaws | 表面光滑，无飞边、夹杂等缺陷 Smooth surface, no burr, no impurities or other flaws |
| 生产状况 Production Condition | ||
| 卡炉 Blocks in the furnace | 无 none | – |
| 冷铜 Cold copper | 无 none | – |
| 汤温稳定性 Stability of copper water temperature | ±5℃ | – |
| 铸锭温度稳定性 Stability of ingot temperature | ±5℃ | – |
| 浇注状况 Casting condition | 液位无大幅度波动 Without significant fluctuations in the level | – |
| 其他 Others | 正常、稳定 Normal and Stable | – |
