There are three kinds of steel grits that our company supplies: GH,GP,GL which includes G10,G12,G14,G16,G18,G25,G40,G50,G80,G120 Products Steel grit Chemical Composition C 0.70~1.20% Mn 0.6~1.20% Si 0.40~1.20% S Less than 0.05% P Less than 0.05% Microhardness Normal: 40~50HRC (377~509HV) Special: 52~56HRC (543~620HV) Special: 56~60HRC (620~713HV) Hardness Deviation Max Deviation ± 3.0HRC, ± 40HV Microstructure Even tempered martensite and dispersed carbon Density 7.2g/cm3
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