20G锅炉管在热扩机组控轧控冷的工艺研究  

Study on TMCP Process for 20G Boiler Seamless Pipe Rolled at Hot Tube Expanding Mill

作　　者：叶东方[1] 郭元蓉[1] 陈雨[1] 林发驹[1] 

机构地区：[1]攀钢集团成都钢铁有限责任公司

出　　处：《柳钢科技》2009年第4期44-47,共4页

摘　　要：通过分析大口径20G钢管原工艺路线中各工序的作用,结合20G钢种的组织转变特点,找出在热扩机组采用轧制方式控制组织状态和力学性能指标的生产途径。By analyzing the fimction of each process of original manufacturing route for large diameter pipe of 20G and combining with characteristics of 20G＇s microstructure transformation, solution has been found out which can get fine microstructure and good results of tensile test and impact test through Controlled-rolling and controlled-cooling on hot tube expanding mill.

关 键 词：20G 控制控冷 钢管 组织转变 力学性能 

分 类 号：TG142.33[一般工业技术—材料科学与工程] TH162[金属学及工艺—金属材料]