真空焊接制坯复合轧制45#特厚钢板的工业生产与研究  

Industrial Production and Research of 45#Extra Heavy Steel Plate Rolled from Vacuum Welding Composite Slab

作　　者：邬早勤 于健 刘建星 骆宗安[2] 谢广明[2] Wu Zaoqin;Yu Jian;Liu Jianxing;Luo Zongan;Xie Guangming(Tangshan Wenfeng Shanchuan Wheel Hub Co.,Ltd.;State Key Laboratory of Rolling and Automation,Northeastern University)

机构地区：[1]唐山文丰山川轮毂有限公司 [2]东北大学轧制技术及连轧自动化国家重点实验室

出　　处：《宽厚板》2021年第2期37-39,共3页Wide and Heavy Plate

基　　金：国家重点研发计划项目(2017YFB0305004)

摘　　要：采用真空焊接制坯复合轧制工艺,将2块尺寸为395 mm×2200 mm×3740 mm的45#钢连铸坯焊接制作成780 mm×2200 mm×3740 mm尺寸的复合坯。通过后续合理的加热和轧制工艺,成功开发出厚度240 mm的45#特厚钢板,复合界面良好,经探伤检测达到GB/T 2970—2016《厚钢板超声检测方法》标准中Ι级探伤要求。By vacuum welding process,the composite slab with size of 780 mm×2200 mm×3740 mm is produced from two 45#steel slabs with size of 395 mm×2200 mm×3740 mm.45#extra heavy steel plate of 240 mm thickness is successfully developed with subsequent rational reheating and rolling process,which possesses good bonding interface and reaches to Level I flaw detection qualification in the standard of GB/T 2970—2016 Method for Ultrasonic Testing of Thicker Steel Plate.

关 键 词：45#特厚钢板 电子束焊接 复合坯轧制 

分 类 号：TG335.5[金属学及工艺—金属压力加工]