焊接方法代号及字母（焊接术语中英文对照表）

焊接方法代号及字母（焊接术语中英文对照表）自动埋弧焊automatic submerged arc weldingwelding (GTAW)电阻焊electric resistance welding (ERW)有保护的金属电弧焊shielded metal arc welding (SMAW)手工或自动隋性气体保护钨极电弧焊manual and automatic inert gas tungsten arc

1、焊接种类Varieties of Welding

电弧焊arc welding

电熔焊electric fusion welding (EFW)

气熔焊fusion gas welding (FGW)

电阻焊electric resistance welding (ERW)

有保护的金属电弧焊shielded metal arc welding (SMAW)

手工或自动隋性气体保护钨极电弧焊manual and automatic inert gas tungsten arc

welding (GTAW)

自动埋弧焊automatic submerged arc welding

金属极隋性气体保护电弧焊gas metal arc weiding (GMAW)

氩弧焊argon-arc welding ，

气体保护电弧焊gas-shielded arc welding

气焊gas welding; flame welding

等离子焊plasma welding

硬钎焊braze welding

电渣焊electroslag welding

爆炸焊explosive welding

2、焊接形式Type of Welding

角焊fillet welding

间断焊intermittent welding

点焊spot welding

对焊butt welding

搭焊lap welding

塞焊plug welding

珠焊bead welding

槽焊slot welding

堆焊build up welding

垫板焊backing weld

坡口groove

V 形坡口V groove

单面U 形坡口single U groove

K 形坡口double bevel groove

X 形坡口double V groove

双面U 形坡口double U groove

U-V 组合坡口combination U and V groove

根部间隙root gap

焊接符号symbol of weld

错边量alignment tolerance

3、焊接位置Welding Position

仰焊overhead welding

现场焊field weld (F.W.)

封底焊back run welding

立焊vertical welding

平焊flat welding

工厂（车间）焊接shop weld

定位焊tack weld

跳焊skip welding

节距pitch

4、焊接缺陷Defects of Welding

焊接裂纹weld crack

根部裂纹root crack

微裂纹micro crack

错位mismatch

弧坑pit; crater

焊穿burn through

夹渣slag inclusion

咬边；咬肉undercut

焊瘤overlap

气孔porosity blow hole

砂眼blister

针孔pin hole

严重飞溅excessive spatter

未溶合incomplete fusion; lack of fusion

根部未焊透incomplete penetration

5、其它

母材；基层金属base metal

预热preheating

热影响区heat affected zone (HAZ)

焊条welding electrode (rod)

焊丝welding wire

焊药（剂） flux