正火轧制S420N风电用钢板的开发  

Research and Development of Normalizing Rolling S420N Steel Plate for Wind Power

作　　者：李艳 麻衡 倪凯 王磊 孙乾 LI Yan;MA Heng;NI Kai;WANG Lei;SUN Qian(Shandong Iron and Steel Co.,Ltd.Laiwu Branch Technology Center,Jinan 271104,China;Shandong Iron and Steel Co.,Ltd.Laiwu Branch Steelmaking Plant,Jinan 271104,China)

机构地区：[1]山钢股份莱芜分公司技术中心,山东济南271104 [2]山钢股份莱芜分公司炼钢厂,山东济南271104

出　　处：《山东冶金》2023年第1期12-14,共3页Shandong Metallurgy

摘　　要：山钢股份莱芜分公司开发S420N欧标风电钢,本着低成本、易焊接、绿色环保的原则,采用低碳+Nb、V、Ti微合金化设计,以及洁净钢冶炼技术和合理的正火轧制工艺,实现碳当量≤0.41%,屈服强度平均值≥470 MPa,抗拉强度平均值≥570MPa,伸长率平均值≥24%,冲击功平均值≥160 J。各项性能指标与标准要求相比,均有较合理的富余量。The S420N European standard wind power steel was developed in Shandong Steel Laiwu branch,based on the principles of low cost,easy welding,green and environmental protection,using low carbon+Nb,V,Ti microalloying design,clean steel smelting technology and reasonable normalizing rolling process,to achieve carbon equivalent≤0.41%,average yield strength≥470 MPa,average tensile strength≥570 MPa,average elongation≥24%,and average impact energy≥160 J.Compared with the standard requirements,each performance has a reasonable margin.

关 键 词：S420N钢 洁净钢冶炼 正火轧制 碳当量 

分 类 号：TG142.1[一般工业技术—材料科学与工程]