百万千瓦机组HR3C焊接技术的应用  

Application of HR3C Welding Technology in 1 000 MW USC Units

作　　者：王培伟[1] 靳学鹏 

机构地区：[1]天津电力建设公司,天津市300041

出　　处：《电力建设》2009年第8期110-112,共3页Electric Power Construction

摘　　要：介绍宁海二期百万千瓦超超临界机组锅炉侧过热器及再热器管道的焊接。HR3C材质的焊接是首次接触的新钢种焊接。以本工程焊接HR3C为实例,通过解决实践中遇到的各类问题、完善焊接工艺方法,以及在施焊全过程进行严格的监督控制,获得了良好的焊接质量。The paper describes welding process for superheater and reheater pipes of Ninghai Power Plant, 1 0013 MW unit boiler side, phase II. The HR3C material was a new kind of steel for welding. Taking HR3C welded in the current project as an example, good welding quality has been finally obtained through solving various problems in practice and perfecting welding procedures, as well as executing strict supervised control over the whole welding process.

关 键 词：超超临界机组 HR3C钢 焊接工艺 质量控制 

分 类 号：TG142.7[一般工业技术—材料科学与工程] TG441.3[金属学及工艺—金属材料]