China Foundry IATF16949 Factory Cast Iron Casting grey iron ht250 Car Parts

Carbon C: 3.16 ~ 3.30

Silicon: 1.79 ~ 1.93

Manganese Mn: 0.89 ~ 1.04

Sulfur S: 0.094 ~ 0.125

P: 0.120 ~ 0.170

Mechanical property

Tensile strength Rm (MPa) : 250

Hardness: (RH=1)209HB sample size: test rod diameter: 30mm