Cast Steel grit
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Cast Steel grit Cast Steel grit

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  • Brand: Springshot china
  • Product Description
Cast Steel Grit.xlsx

Steel grits

Technical specification for steel grit
Item National standard grit High quality grit
Chemical composition
%
C 0.85-1.20 0.10-0.20
Si 0.40-1.20 0.10-0.35
Mn 0.60-1.20 0.35-1.50
S <0.05 <0.05
P <0.05 <0.05
other Microelement
Hardness GP HRC46-50 HRC46-50
GL HRC56-60 HRC56-60
GH HRC63-65 HRC63-65
Density ≥7.40 g/cm3 7.6 g/cm3
Metallographic structure tempered martensite  
tempered martensite + bainite  
 
Appearance Polygon spherical , semi-spherical , flat grain10
crack<40%
Polygon   spherical , semi-spherical , flat grain5
crack<30%