Factory Price Hot Sale Metal Abrasives Cast Steel Shot Steel Grit

TAA brand Steel grit SAE standard cast steel gritProduct DescriptionTAA adopts Arc Furnace Smelting and Double Quenching technology, which guarantee its metal abrasives' chemical composition and high strength, high tenacity, long service life.   Smelting - forming - selection - quenching - tempering crushing - screening Product Parameters Item GP Steel Grit GL Steel Grit GH Steel Grit Chenical Composition C 0.85-1.20% Si 0.40-1.20% Mn 0.60-1.20%(S170:0.50-1.20 S110,S70:0.35-1.20) S ≤0.05% P ≤0.05% Hardness HRC 46-50 HRC 56-60 HRC 63-65 Microstructure Homogeneous tempered Martensite or Troostite Density ≥7.40g/cm3 External Form Angular(Spherical/Semi-spherical/Flat granules