... all aspects. 1. Production specification: S780, S660, S550, S460, S390, S330, S280, S230, S170, S110,S702. Chemical Composition of the products ... -50HRC Special: 52-56HRC, 56-60HRC Density: 7.4g/cucm4. Steel shot is used for industrial foundry, forging plant, heat treatment shop ... . Microstructure: Tempered Marten site High strength, durable Ervin life: Cast steel shot: 2000 cycles Cast Steel Shot