1.Welded karfe bututudon sufurin ruwa mara ƙarfi (GB/T3092-1993) kuma ana kiransa bututun welded, wanda akafi sani da bututun baki.

Bututun ƙarfe ne da aka yi masa walda don isar da ruwan matsi na gabaɗaya kamar ruwa, gas, iska, mai da dumama tururi da sauran dalilai. An raba bututun ƙarfe zuwa bututun ƙarfe na yau da kullun da kuma bututun ƙarfe mai kauri gwargwadon kaurin bango; bisa ga nau'i na ƙarshen bututu, an raba su zuwa bututun ƙarfe marasa zare (bututu masu laushi) da bututun ƙarfe. Ana nuna ƙayyadaddun bututun ƙarfe ta hanyar diamita mara kyau (mm), wanda shine kusan diamita na ciki. Yana da al'ada don bayyana a cikin inci, kamar 11/2. Baya ga ana amfani da shi kai tsaye don jigilar ruwa, bututun ƙarfe na welded don safarar ruwa mara ƙarfi kuma ana amfani da su sosai azaman ainihin bututun bututun ƙarfe na galvanized don jigilar ruwa mara ƙarfi.

2. Galvanized welded karfe bututu don low-matsi ruwa sufuri (GB/T3091-1993) kuma ana kiranta galvanized lantarki welded karfe bututu, wanda aka sani da fari bututu.

Hot-tsoma galvanized welded (tanderu welded ko lantarki welded) karfe bututu don isar da ruwa, gas, iska man fetur, dumama tururi, ruwan dumi da sauran general ƙananan matsa lamba ruwaye ko wasu dalilai. An raba bututun ƙarfe zuwa bututun ƙarfe na galvanized na yau da kullun da bututun ƙarfe mai kauri bisa ga kauri na bango; bisa ga nau'i na ƙarshen bututu, an raba su zuwa bututun ƙarfe na galvanized ba tare da zaren ba da bututun ƙarfe na galvanized ba. Ƙayyadaddun bututun ƙarfe yana bayyana ta hanyar diamita mara kyau (mm), wanda shine kimanin ƙimar diamita na ciki.

3. Talakawa na carbon karfe waya casing (GB3640-88) bututu ne na karfe da ake amfani da shi don kare wayoyi a ayyukan shigar da wutar lantarki kamar gine-ginen masana'antu da na farar hula, shigar da injuna da kayan aiki.

4. Madaidaicin bututun ƙarfe na lantarki mai walƙiya (YB242-63) bututun ƙarfe ne tare da kabu na weld daidai da madaidaiciyar shugabanci na bututun ƙarfe. Yawancin lokaci ana kasu kashi biyu na bututun karfe mai waldaran lantarki, bututu mai waldaran lantarki, bututun mai sanyaya wutar lantarki da dai sauransu.

5.Karkace kabu submerged baka welded karfe bututudon sufurin ruwa mai matsa lamba (SY5036-83) an yi shi ne da murɗaɗɗen karfen tsiri mai zafi azaman bututu, galibi ana yin ɗimbin yawa a yanayin zafi mai zafi, kuma ana walda ta ta hanyar walda mai ɓarna mai fuska biyu. Ana amfani dashi don jigilar ruwa mai matsa lamba. Karkace kabu karfe bututu. Bututun ƙarfe yana da ƙarfin ɗaukar nauyi mai ƙarfi da kyakkyawan aikin walda. Bayan tsauraran gwaje-gwaje na kimiyya daban-daban da gwaje-gwaje, yana da aminci da aminci don amfani. Diamita na bututun karfe yana da girma, ingancin sufuri yana da yawa, kuma ana iya ceton zuba jari a cikin shimfida bututun. An fi amfani da shi don bututun mai don jigilar mai da iskar gas.

6. Karkace kabu high-mita welded karfe bututu for matsa ruwa sufuri (SY5038-83) An yi shi da zafi-birgima karfe nada a matsayin tube blank, sau da yawa spirally kafa a zazzabi, da kuma welded da high-mita cinya waldi. Ana amfani dashi don jigilar ruwa mai matsa lamba. Karkaye kabu high mita welded karfe bututu. Bututun ƙarfe yana da ƙarfin ɗaukar nauyi mai ƙarfi da filastik mai kyau, wanda ya dace da walda da sarrafawa. Bayan tsauraran gwaje-gwaje da gwaje-gwaje na kimiyya daban-daban, yana da aminci da aminci don amfani. An fi amfani da shi wajen shimfida bututun mai don jigilar mai, iskar gas, da sauransu.

7. Gabaɗaya, da karkace kabu submerged baka welded karfe bututu (SY5037-83) ga low-matsa lamba ruwa isar da aka yi da zafi-birgima karfe nada kamar yadda tube blank, wanda aka sau da yawa spirally kafa, kuma an yi ta biyu-gefe atomatik. nutsar da baka waldi ko waldi mai gefe guda. Submerged arc welded karfe bututu don janar low matsa lamba ruwa sufuri kamar ruwa, gas, iska da tururi.

8. Karkace kabu high-mita welded karfe bututu (SY5039-83) domin janar low-matsa lamba ruwa isar da aka yi da zafi-birgima karfe nada kamar yadda tube blank, sau da yawa spirally kafa a high zafin jiki, da kuma welded da high-mita cinya waldi. don isar da ruwa mara ƙarfi gabaɗaya. Kabu high mita welded karfe bututu.

9. Karkace welded karfe bututu for tara (SY5040-83) An yi da zafi-birgima karfe coils matsayin tube blanks, sau da yawa kafa ta dumi spirals, kuma Ya sanya biyu submerged baka waldi ko high-mita waldi. Ana amfani da su don gine-ginen gine-ginen jama'a, magudanar ruwa, gadoji da sauran tarin tushe tare da bututun ƙarfe.