1. Steel grit:G10,G12,G14,G16,G18,G25,G40,G50,G80,G120 2. Sand blasting, surface cleaning 3. SAE standard ... 4. Longer lastin 1. Steel Grit G10, G12, G14, G16 ... : Shot peening of gear, heat treated parts. Sand blasting: Sand blasting of profile steel, ship board, steel board, steel ... , flat-shaped particles<5% Crack 30% cast Steel Grit G40