热输入对Q420钢气电立焊接头组织及性能的影响

龙汉新, 王国平, 王平鑫, 蔡睿眸

Effect of Heat Input on Microstructure and Properties of Q420 Steel Electrogas Welding Joints

LONG Hanxin, WANG Guoping, WANG Pingxin, CAI Ruimou

精密成形工程 . 2026, (6): 37 -45 . DOI: 10.3969/j.issn.1674-6457.2026.06.004