Cast Steel Grit Types: G10/SG2.5 G12/SG2.0 G14/SG1.7 G16/SG1.4 G18/SG1.2 G25/SG1.0 G40/SG0.7 G50/SG0.4 G80/SG0.3 G120/SG0.2 Chemical Composition: C 0.70~1.20% Mn 0.35~1.20% Si??0.40% S?‰¤0.05% P?‰¤0.05% Hardness: GP???42~52HRC GL???53~60HRC GH???60~64HRC Durability: 2000~2800 times Microstructure: Tempered Martensite or Sorbite Density: 7.6g/cm3 Applications: Blast cleaning: Used for blast cleaning of casting, die-casting, forging, sand removal of casting, steel plate, H type steel, steel structure.??Rust removal: Rust removal of casting, forging, steel plate, H type steel, steel structure, descaling of forging.??Shot blasting: Shot blasting of profile steel, ship board, steel board, and steel material.??Shot blasting: Shot blasting of steel board, profile steel, steel structure.??Pre-treatment: Pre-treatment of surface, steel board, profile steel, steel structure, before-painting.