... ISO9001 certificate3 steel shot size: S780 S660 S550 S460 S390 S330 S280 S230 Products Steel Shot Chemical Composition C ... ,SFSA20-66Cast Steel Abrasive, SAE J827 Cast Steel Shot, SAE J1993High Carbon Steel Grit, YB/T5149-1993 ... 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 ...