核承压设备不锈钢堆焊层碳元素含量质量控制  

Quality Control of Carbon Element in Stainless Steel Weld Overlay of Nuclear Pressure Equipment

作　　者：杨悦 唐国军 YANG Yue;TANG Guo-jun(Dongfang Boiler Group Co.,Ltd.,Zigong,Sichuan Prov.643001,China)

机构地区：[1]东方电气集团东方锅炉股份有限公司,四川自贡643001

出　　处：《中国核电》2020年第2期196-199,共4页China Nuclear Power

摘　　要：针对核承压设备制造过程中多次出现的不锈钢堆焊层碳元素含量超标问题,为找出相应解决控制措施,从材料、工艺方法和参数、堆焊环境条件、检测过程控制等方面进行了全面分析研究。分析研究表明,要有效控制堆焊层的碳元素含量须从多个方面综合采取措施,实践来看,能够起到较好效果且可操作性较强的方式依次为:选取碳含量较低的合适焊材、调整工艺增加堆焊层数、严格控制堆焊环境清洁度等。In order to solve the problem of excessive carbon element in stainless steel weld overlay in the manufacturing process of nuclear pressure equipment,and find the corresponding control measures,A comprehensive study was carried out from the aspects of materials,welding process methods and parameters,welding environmental conditions,testing process control and so on.The analysis and study shows that in order to effectively control the carbon element of the stainless steel weld overlay,comprehensive measures should be taken from many aspects.In practice,the ways that can play a better effect and have strong maneuverability are as follows in turn:select the suitable welding material with low carbon element,adjust the welding process to increase the number of surfacing layers,strictly control the environmental cleanliness of welding,etc.

关 键 词：核承压设备 不锈钢堆焊 碳含量 质量控制 

分 类 号：TM623[电气工程—电力系统及自动化]