Welded karfe bututu samar tsari ne karfe takardar, tsiri, da kuma sauran daban-daban gyare-gyaren hanyoyin yin amfani da madaidaiciyar latsa yi ko helical shugabanci curling a cikin wani so giciye-section siffar, sa'an nan ta wajen zafi, matsa lamba, daban-daban hanyoyin waldi waldi tare zuwa. samun karfe. Saboda haka, lahani a cikin bututun ƙarfe na welded ya kasu kashi biyu: lahani na tushe na karfe da lahani.

1. Karfe tushe abu lahani
Lalacewar kayan takarda bayan mirgina da sauran matakai, mafi yawan tsari, a layi daya zuwa saman; Babban raunin su na lalata, haɗawa, fasa, folds, da sauransu, wanda shine mafi yawan lahani na ciki. Stratification zai haifar da fashe iri-iri lokacin da damuwa mai ƙarfi a kan saman takardar da ma'auni zai yi tasiri sosai ga ƙarfin bututun ƙarfe, ba a yarda da lahani ba.

2. Weld lahani
Lalacewar walda tana nufin lahani a lokacin walda ko bayan walda wanda ke haifar da weld ɗin zuwa tsage-tsage, pores, slag, shigar da bai cika ba, haɗakar da ba ta cika ba, lahani na walda. M weld porosity, slag, da dai sauransu wani m uku-girma lahani, fasa, rashin Fusion da sauran lahani a cikin hali na lebur, babban cutarwa. Strip slag, shigar da bai cika ba da sauran lahani a cikin yanayin tsiri, babban lahani. Pores, slag da sauran ƙananan lahani-kamar a cikin akwati. Weld lahani mafi kusantar haifar da ƙarfi karfe, filastik da sauran al'amurran da suka shafi, tsanani shafi ingancin karfe, welded karfe bututu ingancin kai tsaye shafi lafiya aiki da kuma sabis rayuwa na mai da gas bututu, kuma ta haka ne ga weld dubawa, yafi ga waldi fasa. pores, slag, shigar da bai cika ba, rashin cika fuska da sauran lahani masu haɗari na gano lahani.