shot blasting Cast steel shot is used for blast cleaning of shot blasting machine, steel pre-treatment, steel structure. Blast cleaning of cast steel shot Used for blast cleaning of casting, die-casting,forging,sand removal of casting, steel plate, H type steel, steel structure. Rust removal of cast steel shot Rust removal of casting, forging, steel plate, H type steel, steel structure, descaling of forging Shot peening of cast steel shot Shot peening of gear, heat treatment. Shot blasting of cast steel shot Shot blasting of profile steel,ship board,steel board,steel material. Shot blasting of cast steel Shot blasting of steel board, profile steel, steel structure. Pre-treatment of cast steel shot Pre-treatment of surface, steel board, profile steel, steel structure, before-painting. In accordance with standards of SFSA20-66Cast Steel Abrasive, SAE J827 Cast Steel Shot, SAE J1993High Carbon Steel Grit, YB/T5149-1993 Cast Steel Shot, YB/T5150-1993Cast Steel Grit,ISO11124-3High Carbon Cast Steel Shot and Grit. Main Tech Specifications of Cast Steel Shot Index Cast steel grit Chemical components 　 C 0.70-1.20% Mn 0.60-1.20% Si 0.40-1.20% S ≤0.05% P ≤0.05% Average hardness (500gloading) Normal:40--50HRC (377--509HV) Special:52--56HRC (543--620HV) Special:56--60HRC (620--713HV) Hardness deviation Max deviation (-3.0 to +3HRC), (-40 to +40HV) Metallography structure Even tempered martensite and dispersed carbon Min density (Alcohol replace testing) 7.2g/cm3