>> P.31
MaterialpropertiesHigh-carbonchromiumbearingsteelStandardSymbolChemicalcomposition(wt%)CSiMnPSCrMoJISG4805SUJ20.95~1.100.15~0.350.50orbelow0.025orbelow0.025orbelow1.30~1.60-SUJ2MD0.75~0.850.35orbelow0.50orbelow0.025orbelow0.025orbelow1.30~1.60AISI/SAE521000.98~1.050.15~0.350.25~0.450.025orbelow0.025orbelow1.35~1.60---StainlesssteelStandardSymbolChemicalcomposition(wt%)CSiMnPSCrMo-DD4000.60~0.751.00orbelow1.00orbelow0.03orbelow0.02orbelow11.50~13.500.30orbelow31