China Customized Bearing Steel Grit G25 for Marble and Granite Cutting, Find details about China Steel Grit, Steel Shot from Customized Bearing Steel Grit G25 for Marble and Granite Cutting
Item/Name | GP Steel Grit | GL Steel Grit | GH Steel Grit | |
Chemical Composition | C | 0.85-1.20% | ||
Si | 0.40-1.20% | |||
Mn | 0.60-1.20% | |||
S | ≤0.05% | |||
P | ≤0.05% | |||
Hardness | HRC46-50 | HRC56-60 | HRC63-65 | |
Microstructure | Homogeneous tempered Martensite or Troostite | |||
Density | ≥7.40g/cm3 | |||
External form | Angular(Spherical/Semi-spherical/Flat granules<10%) |