灰铸铁化学成分分析仪分析灰铸铁的化学成分表（%）牌号铸件壁厚/mmCSiMnP≤S≤HT100-3.4~3.92.1~2.60.5~0.80.30.15HT150503.3~3.53.2~3.53.2~3.52.0~2.41.9~2.31.8~2.20.5~0.80.5~0.80.6~0.90.20.20.20.120.120.12HT200503.2~3.53.1~3.43.0~3.31.6~2.01.5~1.81.4~1.61.7~0.90.8~1.00.8~1.00.150.150.150.120.120.12HT250503.0~3.32.9~3.22.8~3.11.4~1.71.3~1.61.2~1.50.8~1.00.9~1.11.0~1.20.150.150.150.120.120.12HT300502.9~3.22.9~3.22.8~3.11.4~1.71.2~1.51.1~1.40.8~1.00.9~1.11.0~1.20.150.150.150.100.100.10南京固琦分析仪器制造有限公司025-57357222http://www.gqfxy.com