钒氮微合金化欧标S450J0高强热轧钢桩生产实践  

Production Practice on European Standard S450J0 High Strength Hot Rolled Steel Pile with Vanadium Nitrogen Microalloying

作　　者：卜向东[1] 冯岩青 惠治国[1] 宋振东[1] Bu Xiang-dong;Feng Yan-qing;Hui Zhi-guo;Song Zhen-dong(Technical Center of Inner Mongolia Baotou Steel Union Co.,Ltd.,Baotou 014010,Inner Mongolia Autonomous Region,China;Baotou Vocational&Technical College,Baotou 014010,Inner Mongolia Autonomous Region,China)

机构地区：[1]内蒙古包钢钢联股份有限公司技术中心,内蒙古包头014010 [2]包头职业技术学院,内蒙古包头014010

出　　处：《包钢科技》2021年第6期51-54,共4页Science & Technology of Baotou Steel

摘　　要：根据钒、氮对钢的作用机理设计S450J0高强热轧钢桩化学成分并制定冶炼轧制工艺,依据工业生产数据分析了冶炼过程中钒合金及氮的收得率、终轧温度对钒氮钢的影响等,最终获得以铁素体和珠光体为主的欧标高强厚规格S450J0热轧钢桩,产品各项性能均满足标准要求。The chemical composition of S450J0 high strength hot rolled steel pile is designed as well as the smelting and rolling processes are formulated based on mechanism of action of vanadium and nitrogen on steel.Moreover,the effects of yield of vanadium alloy and nitrogen as well as finishing temperature in smelting process on vanadium nitrogen steel are analyzed based on the industrial production data.Finally,the European standard high strength S450J0 hot rolled steel pile with heavy gauge as well as ferrite and pearlite is obtained.All the product properties could meet standard requirements.

关 键 词：钒氮微合金 欧标 S450J0 钢桩 

分 类 号：TG335.4[金属学及工艺—金属压力加工] TG142.1[一般工业技术—材料科学与工程]