提高热轧窄带钢Q355B性能稳定性实践  

Practice of Improving Performance Stability of Hot Rolled Narrow Strip Q355B

作　　者：王利 张庆峰 WANG Li;ZHANG Qingfeng(Laiwu Branch of Shandong Iron and Steel Co.,Ltd.,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,山东济南271104

出　　处：《山东冶金》2022年第3期17-18,共2页Shandong Metallurgy

摘　　要：通过调整Mn、Nb、V元素含量,以3.5mm厚度规格为界,确定两套成分体系生产Q355B热轧窄带钢,使钢卷内部屈服强度和抗拉强度分别提高了60 MPa、30 MPa,伸长率提高了3%,满足了用户使用需求。The yield and tensile strength of Q355B hot rolled narrow strip steel were increased 60 MPa and 30 MPa respectively,and the elongation was increased 3%by adjusting the contents of Mn,Nb and V elements and taking the thickness of 3.5 mm as the boundary,that can meet the user needs.

关 键 词：Q355B带钢 成分优化 性能 

分 类 号：TG142.1[一般工业技术—材料科学与工程]