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针对宝钢不锈钢公司冷连轧SUS430不锈钢在深拉伸后表面存在严重的起皱问题,详细分析了影响430铁素体不锈钢表面起皱的因素。通过化学成分优化、浇注过程采用电磁搅拌和热轧、热处理及冷轧工艺改进,使430不锈钢制品在冲压后的起皱缺陷得到改善,提高了材料的机械性能,并开发出含低Ti与Nb的低起皱铁素体新产品,使抛光成本下降。
In view of the serious wrinkling on the surface of SUS430 stainless steel produced by cold rolling in Baosteel Stainless Steel Company, the factors that affect the surface wrinkling of 430 ferritic stainless steel are analyzed in detail. By chemical composition optimization, the casting process using electromagnetic stirring and hot-rolled, heat treatment and cold-rolled process improvements, so that 430 stainless steel products after stamping wrinkle defects have been improved to improve the mechanical properties of the material, and the development of low Ti and Nb The low crumpled ferrite new product, so that the cost of polishing down.