大型火力发电厂超超临界机组主蒸汽管SA335-P92钢焊接工艺研究  

Research on Welding Processes of SA335-P92 Steel Main Steam Pipes for Ultra Supercritical Generating Units in Large Thermal Power Plants

作　　者：林华 

机构地区：[1]广西壮族自治区特种设备监督检验院,广西南宁530022

出　　处：《装备制造技术》2008年第10期69-72,共4页Equipment Manufacturing Technology

摘　　要：简述了超超临界机组主蒸汽管SA335-P92钢的性能特点,分析其焊接特性,详细介绍了焊接工艺措施,通过严格执行施焊工艺,控制现场施工环境,可以获得满足使用性能要求的焊接接头。The performance characteristics of SA335-P92 steel based on main steam pipes for ultra supereritieal generating units are presented. And its weldability is also analyzed and welding processes are introduced in detail. Welding joint which meets performance requirements can be ensured by performing strictly the welding processes and controlling the environment of construction site.

关 键 词：SA335-P92钢管 焊接 热处理 

分 类 号：TG44[金属学及工艺—焊接]