9Cr—1Mo炉管焊接工艺的评定  

PROCEDURE EVALUATION FOR WELDING 9Cr-1Mo FURNACE TUBES

作　　者：喻红梅 

机构地区：[1]金陵石化公司

出　　处：《焊接》1994年第8期18-20,共3页Welding & Joining

摘　　要：通过对9Cr-1Mo炉管焊接工艺评定及实践证明,采用小线能量焊接,焊前预热300℃焊后后热350℃×40min,焊后消应力处理为720℃×40min的焊接工艺是可行的.Through procedure evaluation and welding practice of 9Cr- 1Mo furnace tubes, it is found that the welding proctxlure with low heat input; preheating at 300℃ ; postheating 350℃×40min, and stress relief treatment at 720℃×?40min is feasible.

关 键 词：9CR-1MO钢 炉管 焊接工艺 

分 类 号：TG457.11[金属学及工艺—焊接]