管道焊接英文 welding

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1、管道焊接英文Welding10.1焊接种类VarietiesofWelding电弧焊arcwelding电熔焊electricfusionwelding(EFW)气熔焊fusiongaswelding(FGW)电阻焊electricresistancewelding(ERW)有保护的金属电弧焊shieldedmetalarcwelding(SMAW)手工或自动隋性气体保护钨极电弧焊manualandautomaticinertgastungstenarcwelding(GTAW)自动埋弧焊automaticsub

2、mergedarcwelding金属极隋性气体保护电弧焊gasmetalarcweiding(GMAW)氩弧焊argon-arcwelding，气体保护电弧焊gas-shieldedarcwelding气焊gaswelding;flamewelding等离子焊plasmawelding硬钎焊brazewelding电渣焊electroslagwelding爆炸焊explosivewelding10.2焊接形式TypeofWelding角焊filletwelding间断焊intermittentwelding点焊s

3、potwelding对焊buttwelding搭焊lapwelding塞焊plugwelding珠焊beadwelding槽焊slotwelding堆焊buildupwelding垫板焊backingweld坡口grooveV形坡口Vgroove单面U形坡口singleUgrooveK形坡口doublebevelgrooveX形坡口doubleVgroove双面U形坡口doubleUgrooveU-V组合坡口combinationUandVgroove根部间隙rootgap焊接符号symbolofweld错边量a

4、lignmenttolerance10.3焊接位置WeldingPosition仰焊overheadwelding现场焊fieldweld(F.W.)封底焊backrunwelding立焊verticalwelding平焊flatwelding工厂（车间）焊接shopweld定位焊tackweld跳焊skipwelding节距pitch10.4焊接缺陷DefectsofWelding焊接裂纹weldcrack根部裂纹rootcrack微裂纹microcrack错位mismatch弧坑pit;crater焊穿bur

5、nthrough夹渣slaginclusion咬边；咬肉undercut焊瘤overlap气孔porosity,blowhole砂眼blister针孔pinhole严重飞溅excessivespatter未溶合incompletefusion;lackoffusion根部未焊透incompletepenetration10.5其它母材；基层金属basemetal预热preheating热影响区heataffectedzone(HAZ)焊条weldingelectrode(rod)焊丝weldingwire焊药（剂

6、）flux