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查看详情Thisstandardspecifiescontentsoftherawmaterialsandrequirements,inspectionrequirements,gradeandevaluationofmicrostructureafterquenching,etc.ofcommonlyusedmedium-carbonstructuralsteelandmedium-carbonalloystructuralsteel.
Thisstandardisapplicabletotheexaminationandevaluationofmicrostructureofmedium-carbonstructuralsteelandmedium-carbonalloystructuralsteelpartsafterquenchingandtempering.
Thisstandardisnotapplicabletotheevaluationofmicrostructurecontainingdecarburization,overfiringandunderaustemperingstateofmedium-carbonstructuralsteelandmedium-carbonlow-alloystructuralsteelpartsafterquenchingandtempering.
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