... Grit,SFSA20-66Cast Steel Abrasive, SAE J827 Cast Steel Shot, SAE J1993High Carbon Steel Grit, YB/T5149-1993 Cast ... , steel structure, descaling of forging. Shot peening: Shot peening of gear, heat treatment. 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 ...