裂缝:crack (焊缝/弧坑/热影响区裂纹:weld metal/crater/ heat-affected Zone (HAZ) crack)
焊瘤:overlap
冷隔:cold lap
未焊满: under fill / incompletely filled groove
咬边: undercut
道间没有圆滑过渡/焊缝凹陷:bum effect / Excessive concave
未溶合: lack of fusion / incomplete fusion
气孔:gas pore / blowhole (针尖状气孔:pinhole; 密集气孔:porosity; 条虫状气孔:wormhole)
夹渣: slag inclusion  (夹钨:tungsten inclusion; 夹杂物:inclusion)
未焊透:incomplete penetration / lack of penetration
过度焊缝加强高:excessive reinforce / Excessive weld metal
电弧烧伤:Arc strike / Arc burn
焊接变形: welding deformation
烧穿:burn through
塌陷: excessive penetration
凹坑:pit / dent
过度打磨:excessive grinding
焊疤:scar
profile中文飞溅:spatter
焊缝成行不好:poor profile
焊角不足:lack of weld leg