We can offer many kinds of grades for your requirement. G12~G118. Size:0.38mm~73.5mm More information in our webside. We provide the following information,if you wanted more,please contact us.Grade Density(g/cm3) HRA Bending strength(N/mm2)YG6 14.7~15.1 ≥90.0 ≥1670YG6X 14.8~15.1 ≥91.7 ≥1560YG8 14.6~14.9 ≥89.0 ≥1880etc. Tungsten carbide ball