supply Cast steel grit

G10/SG2.5 G12/SG2.0 G14/SG1.7 G16/SG1.4 G18/SG1.2 G25/SG1.0 G40/SG0.7 G50/SG0.4 G80/SG0.3 G120/SG0.2

Chemical composition: C: 0.70-1.20% Mn: 0.60-1.20% Si: 0.40-1.20% P: ≤0.05 % S: ≤0.05%

Average Hardness: GP: 42-52HRC GL: 53-60HRC GH: 60-64HRC
Hardness deviation: Max deviation3.0HRC (40HV)

Metallography structure: Tempered Martensite or Sorbite
Density ( Alcohol replace testing) :7.6g/cm³ Bulk Density: 4.2g/cm³
High strength, long lasting Ervin life: 2000~2800 Times