09MnNiDR低温钢容器焊接工艺研究

Research on Welding Technology of 09MnNiDR Low Temperature Steel Vessel

通过开展09MnNiDR低温压力容器用钢的埋弧焊和手工电弧焊焊接接头拉伸试验、弯曲试验、冲击韧性试验和微观金相组织分析,确定了埋弧焊和手工电弧焊焊接工艺参数和焊后热处理工艺,结果表明:选择的焊接工艺参数和热处理工艺,满足产品技术条件要求。

By carrying out the tensile test,bending test,impact toughness test and microstructure analysis of submerged arc welding and manual arc welding of 09MnNiDR steel for low temperature pressure vessel,the welding process parameters and post-welding heat treatment process of submerged arc welding and manual arc welding have been determined.The results show that the selected welding process parameters and heat treatment process meet the requirements of product technical requirements.