An raba bututun ƙarfe zuwa bututun ƙarfe maras sumul da bututun ƙarfe na welded (bututun ɗinki).

Tushen tukunyar jirgi wani nau'in bututu ne maras sumul. Hanyar masana'anta iri ɗaya ce da na bututu maras kyau, amma akwai ƙaƙƙarfan buƙatu akan ma'aunin ƙarfe da ake amfani da shi don kera bututun ƙarfe. Dangane da zafin jiki na amfani, ana iya raba shi zuwa bututun tukunyar jirgi na gabaɗaya da bututun tukunyar jirgi mai ƙarfi.

1) The karfe maki na high quality carbon tsarin karfe ne 20G, 20MnG da 25MnG.

2) Alloy tsarin karfe maki 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 12Cr3MoVSiTiB, da dai sauransu.

Bututun Karfe maras sumul don Masu Boilers Masu Matsakaicin Matsakaicin Matsakaicin (GB3087-2008), Bututun Karfe maras sumul don Tufafin Matsakaicin Matsala (GB5310-2008), ASME SA-106, ASME SA-213, ASTM A335

Bugu da kari, mu kamfanin ma aiki da sumul karfe bututu don Tsarin (GB/T 81628163), bututun ƙarfe mara nauyi don fashewar mai (GB9948), bututun ƙarfe mara nauyi don taki mai ƙarfi (GB6479), bututun mai (API 5Lda bututun casing maiAPI 5CT), da kuma kayan aikin bututun gami.