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http://dx.doi.org/10.3740/MRSK.2005.15.10.632

Effect of Mo and Cu Contents on Work Hardening of Cold Drawn Stainless Steel 304H Wires for Spring  

Kim S. W. (New Materials & Components Research Center, Research Institute of Industrial Science & Technology(RIST))
Publication Information
Korean Journal of Materials Research / v.15, no.10, 2005 , pp. 632-638 More about this Journal
Abstract
To investigate the effect of Mo and Cu contents on tensile strength of cold drawn stainless steel 304H wires, metallographical and mechanical tests were performed for the wire specimens drawn to different drawing strains at room temperature. It was confirmed that the contents of Mo ana Cu have little influence on the tensile strength of drawn specimens, even though the strain induced martensite transformation decreased with increasing the contents of Mo and Cu. These results were explained by the strengthening of the formed martensite itself due to the solid solution effect of interstitial solutes, carbon and nitrogen. The contents of these elements were slightly higher in the specimens containing additionally added Mo and Cu.
Keywords
stainless steel 304H; cold drawing; strain induced martensite; wire; Mo and Cu content;
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