9%Cr钢大口径厚壁管焊后热处理降温改进措施研究

刘宝双，陈春辉

Improvement measures study on the cooling of postweld heat treatment of large diameter and thick wall 9% Cr steel pipe

LIU Baoshuang, CHEN Chunhui

华电技术 . 2017, (2): 60 -61 .