supply cast steel shot

Chemical Compositions:C: 0.70-1.20%
Mn: 0.60-1.20%
Si: 0.40-1.20%S: ≤ 0.05%
P: ≤ 0.05%
Average hardness ( 500g loading )Normal: 40-50HRC (377-509HV)Special: 52-56HRC (543-620HV)Special: 56-60HRC (620-713HV)
Hardness deviation: Max deviation ±3.0HRC (40HV)
Metallography structure: Tempered Martensite or Sorbite
Density ( Alcohol replace testing) :7.4g/cm³ Bulk Density: 4.4g/cm³
High strength, long lasting Ervin life: 2000~2800 Times
Packing: 25kg/bag,40 bags/pallet

Cast steel sh