高压换热器Q345R焊接工艺评定及应用  

Welding process evaluation and application of Q345R for high pressure heat exchanger

作　　者：刘涛涛 李冬琳 LIU Taotao;LI Donglin(Taizhong(Tianjin)Binhai Heavy Machinery Co.,Ltd.,Tianjin 300450,China)

机构地区：[1]太重(天津)滨海重型机械有限公司,天津300450

出　　处：《锻压装备与制造技术》2025年第2期139-141,共3页China Metalforming Equipment & Manufacturing Technology

摘　　要：对Q345R高压换热器进行埋弧自动焊工艺研究与验证。对焊接工艺试板进行最大和最小模拟焊后热处理,并通过力学性能测试确定焊接工艺参数,确保焊接接头满足设计要求和使用条件,为高压换热器制造提供技术支撑。The submerged arc automatic welding process of Q345R high-pressure heat exchanger is studied and verified.Maximum and minimum simulation of post-weld heat treatment on the welding process test plate,and mechanical properties test to determine the welding process parameters,to ensure that the welded joints to meet the design requirements and conditions of use,for high-pressure heat exchanger manufacturing to provide technical support.

关 键 词：高压换热器 焊接工艺 埋弧自动焊 最大模拟焊后热处理 最小模拟焊后热处理 

分 类 号：TG445[金属学及工艺—焊接]