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Cast Steel Shot, Size: S780, S660, S550, S460, S390, S330, S280, S230, S170, S110, S70
Chemistry Composition:
C: 0.70-1.20%
Mn: 0.60-1.20%
Si: 0.40-1.20%
S: 0.05%max
P: 0.05%max
Average degree of hardness:
Normal regulation: 40-50HRC(377-509HV)
Special: 52-56HRC(543-620HV)
Special: 56-60HRC(620-713HV)
Minimum density: 7.2g/cm3
