摘要
介绍了超超临界机组的发展概况,简述了机组中采用的几种新型耐热钢的性能和用途,分析了铁素体耐热钢和奥氏体耐热钢在焊接过程中存在的问题,结合新型耐热钢的焊接性,提出了新型耐热钢焊接监督的要求。
By introducing the developing situation of ultra supercritieal power unit, describing the property and use of new heat resistant steels, and analyzing, analyzing the welding difficulty of new ferric and austenite steel, this paper presents the de- mands for welding supervision of new heat resistant steels with the consideration of weldability.
出处
《山东电力技术》
2007年第1期3-8,共6页
Shandong Electric Power
关键词
超超临界机组
耐热钢
焊接性
焊接监督
ultra supereritical power unit
heat resistant steel
weldability
welding supervision
