酒钢CSPJ700X铌钒微合金化车厢钢生产实践  

Production Practice of CSPJ700X Nb-V Microalloyed Carriage Steel in Jiuquan Iron and Steel Company

作　　者：韩久彦[1] 杨华[1] 吝理平 HAN Jiu-yan;YANG Hua;LIN Li-ping(CSP Plant of Hongxing Slock Co. Ltd. of JISCO, Jiayuguan 735100, China)

机构地区：[1]酒钢集团宏兴钢铁股份有限公司碳钢薄板厂,甘肃嘉峪关735100

出　　处：《甘肃冶金》2019年第2期38-40,共3页Gansu Metallurgy

摘　　要：对CSP流程生产的J700X汽车车厢钢的成分设计及工艺控制进行了阐述。并对CSP生产的J700X汽车车厢钢的力学性能、显微组织、析出物形貌进行了分析研究。结果表明:CSP生产的厚度规格为7.5 mm的J700X汽车车厢钢力学性能优良,J700X屈服强度为673 MPa,抗拉强度为779 MPa,延伸率为19.5%。通过对显微组织进行观察发现J700X汽车车厢钢的显微组织主要为素体加索氏体组织。The article introduces composition design and process control of J700 steel produced by CSP. Mechanical properties, microstructure of J700 X steel were studied. The results indicate that J700 X steel with a thickness of 7.5 mm produced by CSP shows excellent mechanical properties, with an average yield strength of 673 MPa, yield strength is 779 MPa, It is observed that the microstructure of J700 X steel is mainly polygonal ferrite and pearlite.

关 键 词：CSP 700 MPa车厢钢 铌钒微合金化 

分 类 号：TG142.1[一般工业技术—材料科学与工程]