50W600牌号无取向电工钢瓦楞状缺陷分析与控制  

Analyzing and controlling for corrugated defect of 50W600 grade non-oriented electrical steel in Tangsteel

作　　者：杨晓江[1,2] 杜洪波[2] 项利[1] 

机构地区：[1]钢铁研究总院连铸技术国家工程研究中心,北京100081 [2]唐山钢铁集团有限责任公司技术中心.河北唐山063016

出　　处：《轧钢》2018年第1期27-30,共4页Steel Rolling

摘　　要：采用薄板坯连铸连轧流程生产无取向电工钢具有许多优势,但唐钢在生产50W600及以上牌号无取向电工钢时经常产生瓦楞状缺陷。为此,分析了生产50W600牌号出现瓦楞状缺陷的原因,并提出了调整化学成分以扩大奥氏体相区,提高粗轧温度并加大粗轧压下量的方法,明显减少了50W600产品瓦楞状缺陷。There were many advantages of non-oriented electrical steel produced by thin slab continuous casting process, but corru- gated defecl was found in surface of middle grade 50W600 and higher grade non-oriented electrical steel in Tangsteel. Therefore, its foremation causes were analyzed. The controlling methods of adjusting chemical composition to expand the temperature range of γ phase region,improving the roughing rolling temperature and increasing the roughing roiling reduction were put forward. The defect was obviously decreased by using these methods.

关 键 词：薄板坯连铸连轧 无取向电工钢 瓦楞状缺陷 成因分析 控制措施 

分 类 号：TG335.9[金属学及工艺—金属压力加工] TM275[一般工业技术—材料科学与工程]