压力容器用钢板ASTM A 387M Gr.11 CL2的生产实践  

Production Practice of ASTM A 387M Gr.11 CL2 Steel Plates for Pressure Vessel

作　　者：姜颖 徐华 黄微涛 向浪涛 Jiang Ying;Xu Hua;Huang Weitao;Xiang Langtao(Technical Center,Chongqing Iron and Steel Co Ltd,Chongqing 401220;Sales Department,Chongqing Iron and Steel Co Ltd,Chongqing 401220)

机构地区：[1]重庆钢铁股份有限公司技术中心,重庆401220 [2]重庆钢铁股份有限公司销售部,重庆401220

出　　处：《特殊钢》2020年第4期40-42,共3页Special Steel

摘　　要：介绍了重庆钢铁股份有限公司生产压力容器用ASTM A 387M Gr.11 CL2 24 mm钢板的生产工艺及实物性能。试验钢(/%:0.13C,0.56Si,0.56Mn,0.036Alt,0.005P,0.001S,1.02Cr,0.50Mo)300 mm×2010 mm铸坯粗轧开轧> 1 000℃,中间坯厚度72 mm,精轧开轧880~940℃,精轧终轧850~870℃,层流冷却后690~710℃,空冷至室温后890~910℃正火,空冷至室温后650~670℃回火。实践表明,研发的该钢板各项性能指标均符合技术要求,且具有良好的低温冲击韧性,试验钢-40℃冲击功149~172 J。The production process and actual product performances of ASTM A 387 M Gr.11 CL2 steel 24 mm plate for pressure vessels produced by Chongqing Iron and Steel Co Ltd are introduced.The rolling process and heat treatment of test steel(/%:0.13 C,0.56 Si,0.56 Mn,0.036 Alt,0.005 P,0.001 S,1.02 Cr,0.50 Mo)300 mm ×2 010 mm casting slab are rough rolling at> 1 000 ℃,thicknees of middle bloom 72 mm,finishing rolling at 880~940℃,end finish rolling at850~870 ℃,laminar cooling to 690 ~710 ℃,air cooling to room temperature and normalizing at 890 ~910 ℃,tempering at 650~670℃.Practice shows that the performance indexes of the steel meet the technical requirements and the steel has good impact toughness at low temperature,i.e.the impact energy of test steel at-40 ℃ is 149~172 J.

关 键 词：ASTM A 387M Gr.11 CL2 压力容器用钢板 化学成分 工艺控制 性能 低温冲击韧性 

分 类 号：TG335.5[金属学及工艺—金属压力加工]