Idan aka kwatanta da ƙaƙƙarfan ƙarfe kamar zagaye na ƙarfe, bututun ƙarfe yana da nauyi yayin da ƙarfin lanƙwasa da ƙwanƙwasa iri ɗaya ne.Yana da wani tattali giciye-sashe karfe da aka yadu amfani da ƙera tsarin sassa da inji sassa, kamar mai rawar soja bututu, mota watsa shaft, keke firam da karfe scaffold amfani a yi.Samar da sassa masu siffar zobe tare da bututun ƙarfe na iya haɓaka ƙimar amfani da kayan, sauƙaƙe tsarin masana'anta, da adana kayan aiki da sa'o'in sarrafawa, kamar zoben da ke jujjuya da hannayen jack.A halin yanzu, an yi amfani da bututun ƙarfe don masana'antu.Bututun ƙarfe kuma abu ne da ba makawa ga kowane nau'in makamai na al'ada.Ganga da ganga na bindigogi an yi su ne da bututun ƙarfe.Ana iya raba bututun ƙarfe zuwa bututu mai zagaye da bututu masu siffa na musamman bisa ga sassa daban-daban da siffofi.Tunda yankin madauwari shine mafi girma a ƙarƙashin yanayin daidaitaccen kewaye, ana iya ɗaukar ƙarin ruwa ta bututu masu madauwari.Bugu da ƙari, lokacin da sashin zobe ke fuskantar matsin lamba na ciki ko na waje, ƙarfin ya fi daidaituwa.Sabili da haka, yawancin bututun ƙarfe sune bututu masu zagaye.
Misali: GB/T8163.
Babban Grade Tube Karfe: 10, 20, Q345, da sauransu.
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