- Microstructureofworkinglayerinthebarrel:pearliteortemperedsorbite.Theresultsindicatedthatthetemperedsorbitewastheoptimummicrostructure,theinhomogeneousdistributionofmicrohardnessaffectedmarkedlythefinishqualityofthesteelsurface....
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- 1、Microstructureofworkinglayerinthebarrel:pearliteortemperedsorbite.2、TheresultsshowthatX80pipelinesteelobtainssorbiteafterquenchingandtempering,getspearlitebynormalizing.3、Withthedecreaseoffinishingrollingtemperature,thegrainsizeisrefinedapparent...
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