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2020-04-28来源：暂无数据
| 铸造用磷铜钛低合金耐磨生铁牌号（摘自YB/T 5210-1993) | ||||||||
| 铁种 | 铸造用磷铜钛低合金耐磨生铁 | |||||||
| 铁号 | NMZ34 | NMZ30 | NMZ26 | NMZ22 | ZNMZ18 | NMZ14 | ||
| 化学成份 | C | ≥3.30 | ||||||
| Si | >3.20%-3.60% | >2.80%-3.20% | >2.40%-2.8% | >2.00%-2.40% | >1.60%-2.00% | >1.25%-1.60% | ||
| Mn | 1组 | ≤0.50% | ||||||
| 2组 | >0.50%-0.90% | |||||||
| 3组 | >0.90% | |||||||
| S | 1类 | ≤0.03% | ≤0.04% | |||||
| 2类 | ≤0.04% | ≤0.05% | ||||||
| 3类 | ≤0.05% | |||||||
| P | A级 | 0.35%-0.60% | ||||||
| B级 | >0.60%-0.90% | |||||||
| C级 | >0.90% | |||||||
| Cu | A级 | 0.30%-0.70% | ||||||
| B级 | >0.70% | |||||||
| Ti | ≥0.06% | |||||||
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