steel grit 1.Cr is included,good hardenability 2.more energy saving , without pollution 3.Angular shape mor sharp bearing steel grit1. Production specification: G10,G12, G14, G16, G18, G25, G40, G50, G80 NameCast steel gritchemicalsC0.95~1.05 %Mn0.35~1.20%Si0.40~1.20%S≤0.05%P≤0.05%Cr0.5%~1.65Average hardness >40-50HRC ≥53-60HRC ≥60HRC Hardness variety±3.0HRC or ±40HVMicrostructure Uniform ...