steel grit

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steel grit
Posting date : Jul 22, 2010
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81-
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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 Grit Chemical Composition C 0.70~1.20% Mn 0.35~1.20% Si 0.40~1.20% S ≤0.05% P ≤0.05% Microhardness GP:42~50HRC (399~509HV) GL:56~60HRC (620~713HV) GH:63~66HRC (795~889HV) Hardness Deviation Max Deviation ±3.0HRC Microstructure Tempered Martensite or Sorbite Density 7.4g/cm3

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