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