1. Steel grit:G10,G12,G14,G16,G18,G25,G40,G50 ... blasting, surface cleaning 3. SAE standard 4. Longer lastin 1. Steel Grit G10, G12, G14, G16, G18, G25, G40, G50, ... casting, steel plate, H type steel, steel structure. Rust removal: Rust removal of casting, forging, steel plate, H type steel, steel structure. Shot peening: Shot peening ... , hemispherical, flat-shaped particles<5% Crack 30% cast Steel Grit