Galvanized karfe bututu za a iya welded ta amfani da gargajiya lantarki baka waldi.Babu bambanci da yawa a cikin kayan aikin injiniya na walda akan bututun ƙarfe na galvanized da marasa galvanized idan an yi walda da kyau.
Galvanized bututu yawanci tabo welded ko juriya welded ta yin amfani da na musamman na'urori masu auna sigina da rage manne da aikin-yanki.Da fari dai, daidaitaccen kayan walda shine maɓalli don samun haɗin gwiwa mara lahani tare da kyakkyawan aikin injina.J421, J422, J423 su ne manufa sanda hannun saukar da galvanized karfe.Na biyu, cire murfin Zn kafin fara walda.A nika abin da aka shafa akan wurin walda tare da 1/2-inch zinc shafi, kuma ya narke kuma ya shafa a cikin ƙasa.A jika yankin tare da fesa-kan shigar mai.Yin amfani da sabon injin niƙa mai tsabta don cire galvanized Layer.
Bayan kammala shirye-shiryen matakan kariya da kariya, za ku iya aiwatar da walda.Welding babban aiki ne na zafin jiki kuma walda galvanized bututu yana fitar da hayaƙi mai haɗari mai haɗari.A kula, wannan hayaki yana da guba ga ɗan adam!Idan numfashi, wannan zai ba ku ciwon kai mai tsanani, guba huhu da kwakwalwa.Don haka mutum yana buƙatar amfani da na'urar numfashi da shaye-shaye yayin walda kuma tabbatar da cewa kuna da isasshen iska sannan kuma kuyi la'akari da abin rufe fuska.
Da zarar murfin zinc a wurin waldawa ya lalace.Zana wurin waldawa tare da wasu fenti mai arzikin zinc.A cikin aikace-aikacen aikace-aikacen, bututun ƙarfe na galvanized tare da diamita na ƙasa da ko daidai da 100mm za a haɗa shi ta zaren, kuma lalata galvanized Layer da ɓangaren zaren da aka fallasa yayin haɗin gwiwa ya zama maganin antiseptik.Galvanized karfe bututu tare da diamita fiye da 100mm za a haɗa ta flanges ko tarewa bututu kayan aiki, da waldi na bututu da flange za a sake galvanized.
