国外超临界机组大型铸锻件材料及制造技术

Information Study of Manufacturing Technology and Material Study on Large Castings and Forgings Used for Super Critical Power Generation Sets at Abroad

本文重点介绍了国外超临界机组用大型铸锻件超纯钢汽轮机低压转子 ,新型 12 % Cr钢汽轮机高、中压转子和缸体材料的研究开发过程 ,以及日、美、德、英等国的超纯钢、12 % Cr钢的标准和材料的改进情况 ,叙述了各国超纯钢低压转子 ,12 % Cr钢高、中压转子的制造情况 。

This paper major describes the large castings and forgings used for super critical power generation sets at abroad,including the development of superclean steel low-pressure rotors for high temperature turbine,new 12%Cr steel for high pressure-intermediate pressure steam turbine rotors and casing material as well as the standard and material improvement of superclean steel and 12%Cr steel at Japan,German,UK and USA.This paper outlines the manufacturing processes and manufacturing level of superclean steel low-pressure rotors and 12%Cr steel for high pressure-intermediate pressure rotors as well as its property.