|
规格 |
粒度分布要求% |
主要化学成分合格指标% |
||||||||
|
+100 |
-100/+140 |
-140/+200 |
-200/+325 |
-325 |
Pb |
Sn |
Ni |
Cu |
氢损 |
|
|
-150 |
≤0 |
≤0.5 |
5-10 |
20-40 |
50-70 |
<0.08 |
7.0~9.0 |
0.7~1.5 |
余 |
≤0.30 |
|
-180 |
≤0 |
≤0.1 |
≤5.0 |
20-40 |
55-75 |
|||||
| 规格目数 | -150 | -180 | |
| 粒度分布要求% | +100 | ≤0 | ≤0 |
| -100/+140 | ≤0.5 | ≤0.1 | |
| -140/+200 | 5-10 | ≤5.0 | |
| -200/+325 | 20-40 | 20-40 | |
| -325 | 50-70 | 55-75 | |
| 主要化学成分合格指标% | Pb | < 0.08 | |
| Sn | 7.0~9.0 | ||
| Ni | 0.7~1.5 | ||
| Cu | 余 | ||
| 氢损 | ≤0.30 | ||