Gabatarwar samfur:
Rarraba Bakin Karfe bututu: bakin karfe sumul karfe bututu da bakin karfe welded karfe bututu (tare da seams) biyu asali Categories.Bisa ga m diamita siffar karfe bututu za a iya raba zagaye bututu da na musamman-dimbin yawa bututu, yadu amfani da shi ne madauwari karfe bututu, amma akwai kuma wasu square, rectangular, semicircular, hexagonal, equilateral alwatika, octagonal da sauran musamman na musamman. -siffa karfe bututu.
Dangane da amfani, an raba shi zuwa bututun welded gabaɗaya, bututu mai musayar zafi, bututu mai ɗaukar nauyi, bututun galvanized welded bututu, bututun walƙiya oxygen, bututun walƙiya, bututu mai walƙiya, bututun rani, bututu mai zurfi mai zurfi, bututun mota, bututu mai canzawa, lantarki walda bakin bango bututu, lantarki waldi bututu da karkace walda bututu.