In accordance with standards of GB/T18838.3£2008 Steel Shot and Steel Grit,SFSA20-66Cast Steel Abrasive, SAE J827 Cast Steel Shot, SAE J1993High Carbon Steel Grit, YB/T5149-1993 Cast Steel Shot, YB/T5150-1993Cast Steel Grit,ISO11124-3High Carbon Cast Steel Shot and Grit. The Major Technological Index: Products : Steel Grit Chemical Composition : C0.70¡«1.20% Mn : 0.35¡«1.20% Si : 0.40¡«1.20% S : 0.05% P : 0.05% Microhardness : GP:42¡«50HRC (399¡«509HV), GL:56¡«60HRC (620¡«713HV), GH:63¡«66HRC (795¡«889HV) Hardness Deviation : Max Deviation ¡À3.0HRC Microstructure : Tempered Martensite or Sorbite Density : 7.4g/cm3. Packing Types:braided bag packing, flexible container packing, stock packing, paper bag packing, barrel packing:25kg/bag 1t/stock, 900kg/barrel 1t/bag.
