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在分析23MnNiMoCr54焊接性的基础上,对23MnNiMoCr54与35CrMo的异种钢焊接进行了工艺评定,并对其焊接接头的力学性能进行了测试评定。试验结果表明所制定的焊接工艺合理,符合NB/T47014-2011《钢制压力容器焊接工艺评定》标准要求,为23MnNiMoCr54材料的焊接生产提供了一定的指导作用。
Based on the analysis of the weldability of 23MnNiMoCr54, the technological evaluation of dissimilar steel welding of 23MnNiMoCr54 and 35CrMo was carried out. The mechanical properties of welded joints were evaluated. The test results show that the developed welding process is reasonable and conforms to the requirements of NB / T47014-2011 “Assessment of Welding Procedure of Steel Pressure Vessels” and provides some guidance for the welding production of 23MnNiMoCr54 material.