2.Chemical Composition:C:0.70~1.20% Mn:0.35~1.20% Si >=0.40%
3.S<=0.05% P <=0.05%
4.Hardness: GP:42-52HRC GL:53-60HRC GH:60-64HRC
5.Hardness Deviation:Max Deviation (-3.0 ~ 0.3)HRC
6.Durability:2000-2800 Times
7.Microstructure:Tempered Martensite or Sorbite
8.Density:7.6g/cm3
9.Bulk Density:4.2g/ cm3
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