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在分析15CrMoR与12Cr1MoVG钢母材成分及焊接性能的基础上,根据异种钢接接头焊缝金属成分,选择相应焊接材料进行工艺试验,提出了改进的焊接措施,有效地防止了高压蒸汽管冷裂纹和其它焊接缺陷的产生。
Based on the analysis of the composition and welding properties of 15CrMoR and 12Cr1MoVG steel base metal, the welding process was carried out according to the metal composition of the weld of dissimilar steel joints, and the improved welding measures were put forward to effectively prevent the cold cracking of high pressure steam pipe And other welding defects.