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Cast Steel ShotS780,S660,S550,S460,S390,S330,S280,S230,S170,S110External firm is round and shaped with steel water, owns fine elasticity and the strength or fatigue resistance as a result of fine heat treatment, applied in all aspects, special hardness steel shot applied in strengthening treatment.Chemical Composition: Carbon, Manganese, Silicon, Sulfur, PhosphorusHardness: 40-50HRC 52-56HRC 56-60HRCMicrostructure: Tempered Martensite or SorbiteDensity: 7.4g/cucm
