Cast Steel Grit: G10 G12 G14 G16 G18 G25 G40 G54 G80
 Hardness: GP 46-50HRC GL 56-60HRC GH 63-66HRC
 Density: 7.6g/cm3
 Chemical compositions
 C 0.7-1.20%

Mn 0.35-1.20%

Si 0.4 -1.2 %

S<=0.05%

P <=0.05%