|
产品性能
Product properties
|
内控标准
Internal Control Standards
|
|
±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
Stabilitu 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 |
– |
