Bakin karfe welded bututu ne yafi usde a birane wuri mai faɗi da na ado injiniya; a fannonin masana'antar haske, magunguna, yin takarda, kula da najasa, samar da ruwa, injina, da dai sauransu, akwai kuma adadi mai yawa; a cikin sinadarai, taki, petrochemical da sauran masana'antu, ƙayyadaddun ƙayyadaddun bayanai shine Φ159mm. Matsakaici na sama da ƙananan matsa lamba isar da bututu; mafarin mota kuma yana amfani da bututun da aka yi wa bakin karfe.

Bakin karfe ba sumul bututu da aka yafi amfani a cikin "sinadaran uku" (sinadari, taki, sinadari fiber), man fetur, wutar lantarki tukunyar jirgi, inji, aerospace, nukiliya masana'antu, kasa tsaro masana'antu da sauran fannoni.