cast steel shot

In accordance with standards of GB/T18838.3-2008 Steel Shot and Steel Grit,SFSA20-66Cast Steel Abrasive, SAE J827 Cast Steel Shot, SAE J1993High Carbon Steel Grit, YB/T5149-1993 Cast Steel Shot, YB/T5150-1993Cast Steel Grit,ISO11124-3High Carbon Cast Steel Shot and Grit.
The Major Technological Index:Products Steel Shot
Chemical Composition C 0.70-1.20%
Mn 0.35-1.20%
Si 0.40-1.20%
S =0.05%
P =0.05%
Micro hardness Normal:40-50HRC (377-09HV)
Special:52-56HRC (543-620HV)
Special:56-60HRC (620-713HV)
Hardness Deviation Max Deviation ±3.0HRC
Microstructure Tempered Martensite or Sorbite
Density 7.2g/cm3
cast steel shot