... , S330, S280, S230, S170, S110,S702. Chemical Composition of the products: C 0.70-1.20% Mn 0.60-1.20 ... to 2500 timesMicrostructureHomogeneous tempered martensite or troostiteUsage :Blast cleaning of cast steel shot: Used for blast cleaning of casting, die-casting ... type steel, steel structure, descaling of forging. Shot peening of cast steel shot: Shot peening of gear, heat treatment. Shot blasting ...