SA213-T91钢焊接工艺理论分析及焊接过程控制  

SA213-T91 Steel Welding Technology Analysis & Welding Process Control

作　　者：刘万举 王文义[1] 王小迎[2] 

机构地区：[1]陕西国华锦界能源有限责任公司,陕西榆林719319 [2]陕西电力科学研究院,陕西西安710054

出　　处：《陕西电力》2006年第8期55-58,共4页Shanxi Electric Power

摘　　要：针对国产600 MW亚临界机组锅炉末级过热器采用焊接性能较差的SA213-T91钢材。着重阐述该钢材的焊接工艺性能及施工过程控制,以保证SA213-T91小径管焊接接头获得良好的显微组织及优良的综合性能,提高机组运行可靠性。SA213-T91 steel with inferior welding performance is used on end superheater of domestic-made 600MW subcritical boil- er.The welding technology and construction process control of SA213-T91 steel are described in detail for ensuring the good mi- crostructure and excellent synthetic:performance of SA213-T91 small diameter tube,and the reliability of unit operation.

关 键 词：SA213-T91钢 焊接 工艺 过程控制 

分 类 号：TG44[金属学及工艺—焊接]