|
规格目数 |
粒度分布要求% |
主要化学成分合格指标% |
||||||
|
+140 |
-140/+160 |
-160/+200 |
-200 |
Sn |
Zn |
Cu |
氢损 |
|
|
-140- |
≤25 |
30-50 |
30-50 |
≤15 |
7.0~9.0 |
2.0~4.0 |
余 |
≤0.30 |
| 规格目数 | -140- | +160 |
| 粒度分布要求% | +140 | ≤25 |
| -140/+160 | 30-50 | |
| -160/+200 | 30-50 | |
| -200 | ≤15 | |
| 主要化学成分合格指标% | Sn | 7.0~9.0 |
| Zn | 2.0~4.0 | |
| Cu | 余 | |
| 氢损 | ≤0.30 |
