消除20Cr钢低压容器焊接液化裂纹的工艺改进  

Process Improvement for Eliminating Welding Liquation Crack on 20Cr Steel Pressure Vessel

作　　者：司丽丽[1] 杨庆文[1] 

机构地区：[1]海军蚌埠士官学校机械系,安徽蚌埠233012

出　　处：《机械工程师》2012年第11期27-28,共2页Mechanical Engineer

摘　　要：分析了20Cr钢低压容器焊接过程中液化裂纹的成因,结合生产实践提出了工艺改进措施,同时也给出了改进工艺的缺点。The wehting liquation crack initiation of the 20Cr steel pressure vessel is analyzed. Combined with production practice, the improvement measures of the welding process are put forward. The shortcoming of the improved technology is proposed.

关 键 词：20CR钢 焊接 液化裂纹 工艺改进 

分 类 号：TG441.7[金属学及工艺—焊接]