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| | >> 铸造生铁化学成分表
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| 铁种 | 铸造用生铁 | | 铁号 | 牌号 | 铸34 | 铸30 | 铸26 | 铸22 | 铸18 | 铸14 | | 代号 | Z34 | Z30 | Z26 | Z22 | Z18 | Z14 | | 化学成分% | C | >3.3 | | Si | >3.20-3.60 | >2.80-3.20 | >2.40-2.80 | >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 | >0.90-1.30 | | P | 1级 | ≤0.06 | | S | 1类 | ≤0.03 | ≤0.40 | | 2类 | ≤0.04 | | 微量 元素 成分% 微量 | As | 1组锰时 | ≤0.0008 | | 2组锰时 | ≤0.0018 | | Pb | 1级 | ≤0.0005 | | 2级 | ≤0.0007 | | Sn | 1级 | ≤0.0005 | | 2级 | ≤0.0004 | | Sb | 1级 | ≤0.0004 | | 2级 | ≤0.0006 | | Zn | 1级 | ≤0.0008 | | 2级 | ≤0.0020 | | Cr | 1级 | ≤0.020 | | 2级 | ≤0.020 | | Ni | 1级 | ≤0.0064 | | 2级 | ≤0.0064 | | Cu | 1组锰时 | ≤0.0050 | | 2组锰时 | ≤0.0060 | | V | 1级 | ≤0.0095 | | | | 2级 | ≤0.0115 | | Ti | 1级 | ≤0.0700 | | 2级 | ≤0.0870 | | Mo | 1级 | ≤0.0010 | | 2级 | ≤0.0012 | |
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