S280

external firm is round and shaped with steel water,owns fine elasticity and the strength of fatigue resistance as a result of fine heat treatment,applied in all aspects,special hardness steel shot applied in strengthening treatment.

Useage:sand-removing and deoxidization of small-sized castings,forgings,heat-treated pieces,aluminum-copper alloy castings,steel plates,steel pipes,sections and steel structures,surface intensification of springs and chains,cutting of rocks,griding processing.