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规格目数 | -100 | -120 | |
粒度分布要求% | +100 | ≤0.5 | ≤0.1 |
-100/+140 | 1.5-20 | 1.5-15 | |
-140/+200 | 10-35 | 10-35 | |
-200/+325 | 10-40 | 10-40 | |
-325 | 35-60 | 35-60 | |
主要化学成分合格指标% | Pb | <0.08 | |
Sn | 5.5~7.0 | ||
P | 0.05~0.15 | ||
Cu | 余 | ||
氢损 | ≤0.30 |
规格目数 | -100 | -120 | |
粒度分布要求% | +100 | ≤0.5 | ≤0.1 |
-100/+140 | 1.5-20 | 1.5-15 | |
-140/+200 | 10-35 | 10-35 | |
-200/+325 | 10-40 | 10-40 | |
-325 | 35-60 | 35-60 | |
主要化学成分合格指标% | Pb | <0.08 | |
Sn | 5.5~7.0 | ||
P | 0.05~0.15 | ||
Cu | 余 | ||
氢损 | ≤0.30 |