Q690E调质钢板的可焊性和最佳焊接工艺研究  

Q690E RESEARCH ON WELDABILITY AND OPTIMAL WELDING PROCESS

作　　者：陈琳 陈建新 朱洪祥 梁广成 黄日城 王旭生 Chen Lin;Chen Jianxin;Zhu Hong-xiang;Liang Guangcheng;Huang Richeng;Wang Xusheng(Technical Management Department,Guangxi Shenglong Metallurgy Co.,Ltd.,Fangchenggang,538000,China)

机构地区：[1]广西盛隆冶金有限公司技术管理部,防城港538000

出　　处：《冶金信息导刊》2025年第1期21-26,共6页Metallurgical Information Review

摘　　要：对南方某钢厂生产的Q690E低合金高强调质钢的可焊性进行研究,选用20 mm厚的母材采用两种焊接参数及层道次进行焊接,对其力学性能、冲击性能、弯曲性能、焊接区域显微组织和硬度进行检测,得到焊接效率较高且性能满足钢材使用要求的焊接工艺。研究结果将为实际生产中Q690E材料的焊接应用提供可靠的理论依据和技术指导。This paper aims to study the weldability of Q690E low alloy high emphasis steel in a southern steel plant,choose 20 mm thick base material using two welding parameters and layer welding,the mechanical properties,impact properties,bending properties,microorganization and hardness of welding area,get high welding efficiency and the performance meet the requirements of steel.The research results will provide a reliable theoretical basis and technical guidance for the welding application of Q690E material in the actual production.

关 键 词：Q690E 低合金高强调质钢 焊接工艺 

分 类 号：TG1[金属学及工艺—金属学]