【摘要】 对60.3mm×8mm的T91钢管的母材及手工氩弧焊接头进行了化学成分、力学性能和显微组织的测定。结果表明,T91钢管的化学成分、力学性能和显微组织均满足GB 5310-1995的要求,焊接接头的组织为正常组织。更多还原

【Abstract】 The chemical composition analysis,mechanical properties testing and microstructure analysis of the base metal and manual argon arc welding joint of T91 steel tube with size of  60.3mm×8mm have been done in the paper.The results show that the chemical composition,mechanical properties and microstructure of T91 steel tube with size of  60.3mm×8mm meet the requirement of standard GB 5310-1995,and the microstructure of joint shows normal.更多还原