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冷軋、退火工藝對SUS430鐵素體不銹鋼深沖性能的影響

Effect of cold and annealing process on deep-drawing of SUS430 ferrite stainless steel

  • 摘要: 化學成分、非金屬夾雜物、連鑄坯等軸晶率、熱軋、冷軋及和退火工藝都會對材料的深沖性能有較大的影響,結合山東泰山鋼鐵集團有限公司SUS430熱軋不銹鋼帶的實際生產工藝水平,將研究重點放在了冷軋和退火工藝上.通過對比分析,最終得出使用退火的熱軋板、酸洗后一次冷軋并把壓下率控制在80%~85%可以使冷軋成品板退火后具有優良的深沖性能.

     

    Abstract: Chemical composition,inclusions,billet equiaxed rate,hot-rolling,cold rolling and annealing process have great impacts on deep-drawing properties of the materials. Combined with the actual technology level of hot-rolled SUS430 stainless steel in Shandong Taishan Iron & Steel Group Co. Ltd.,the study focused on cold-rolled and annealing process. Through comparative analysis,it is concluded that annealing hot-rolled sheet,followed by pickling and a cold rolling with a reduction rate of 80%-85% can make the cold rolled annealed sheet product has excellent deep drawing properties.

     

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