15CrMo钢用于余热锅炉进口烟道的焊接工艺评定试验研究  

Experimental Study on Welding Process Evaluation of 15CrMo Steel & inlet Flue of Waste Heat Boiler

作　　者：龙昌茂[1] 张婉云[1] 陶兴南 LONG Chang-mao;ZHANG Wan-yun;TAO Xing-nan(Guangxi Technological College of Machinery and Electricity,Nanning Guangxi 530007,China;The Second Installation Company of Guangxi Construction Engineering Group,Liuzhou Guangxi 545026,China)

机构地区：[1]广西机电职业技术学院,广西南宁530007 [2]广西建工集团第二安装公司,广西柳州545026

出　　处：《装备制造技术》2019年第8期151-154,共4页Equipment Manufacturing Technology

基　　金：广西高校科研项目《15CrMo钢和余热锅炉进口烟道的焊接工艺评定试验研究》(编号:KY2015YB404)的研究成果，参加研究人员还有戴建树、苏茜、陆颖荣、潘杰、何际乐、陈小航等

摘　　要：本文根据余热锅炉进口烟道的结构特点及技术参数的要求,对15CrMo钢和R307焊丝的理化性能,不同工艺参数下的焊接接头性能及抗裂性能等进行了试验。各项性能试验结果表明,15CrMo钢具有良好的焊接性能,可满足进口烟道的使用要求,而制定的焊接工艺可指导15CrMo钢进口烟道的焊接生产。According to the requirements of structural characteristics and technical parameters of the inlet flue of the waste heat boiler,we carried out the experiments on physical and chemical properties of the 15CrMo steel and R307 welding system,the properties and crack resistance of the welded joints under different process parameters.The performance test results show that 15CrMo steel has good welding performance,thus can meet the requirements of inlet flue.So the welding process can guide the welding production of 15CrMo steel inlet flue.

关 键 词：15CRMO钢 进口烟道 焊接工艺 

分 类 号：TG457[金属学及工艺—焊接]