cast steel shot (S70-S780)

We strictly according to GB "GB/T18838.3-2008 high carbon steel shot and sand", American steel casting association "SFSA20-66 cast steel abrasive standard", American motorcar engineer association "SAE standards," J827 cast steel shot in Chinese Black people republic of metallurgical industry "YB/T5149-93 cast steel shot", the U.S. army standard "MIL - S - 851 cleaning and strengthen with metal kind steel grit and steel shot standards" and "international organization for standardization ISO11124-3 standard high carbon steel shot cast Steel grit standard "to produce.

Products Cast Steel Shot

1.Production specification: S70 S110 S170 S230 S280 S330 S390 S460 S550 S660 S780 S930

2.Chemical Composition: C:0.70~1.20% Mn:0.35~1.20% Si:>=0.40% S:<=0.05%  P:<=0.05%

3.Hardness:Normal :40~50HRC  Special:52~56HRC  Special:56~60HRC

4.Hardness Deviation    Max Deviation(-0.3~0.3)HRC

5.Durability               2000~2800 Times

6.Microstructure        Tempered Martensite or Sorbite

7.Density              7.4g/cm3

8.Bulk Density          4.4g/ cm3