Alloy tube da tube maras kyau duka suna da dangantaka da bambanci, ba za a iya rikicewa ba. Alloy bututu ne karfe bututu daidai da samar da kayan (wato, abu) don ayyana, kamar yadda sunan ya nuna an yi da gami bututu; An bayyana bututu maras kyau daidai da tsarin samar da bututun ƙarfe, wanda ya bambanta da bututun da ba shi da kyau, wanda ya haɗa da bututu mai walƙiya madaidaiciya da bututu mai karkace.

A335P5 gami karfe bututu nasa gami bututu ne yafi amfani galow da matsakaici matsa lamba tukunyar jirgi(aiki matsa lamba ne kullum ba fiye da 5.88Mpa, aiki zafin jiki a kasa 450 ℃) dumama surface bututu; An yi amfani da shi donbabban matsin tukunyar jirgi(aiki matsa lamba ne kullum sama da 9.8Mpa, aiki zafin jiki tsakanin 450 ℃ ~ 650 ℃) dumama surface bututu, economizer, superheater, reheater, petrochemical masana'antu bututu, da dai sauransu

Sauran kayan sune: 16-50Mn,27SiMn,40Cr,Cr5Mo,12Cr1MoV,12Cr1MovG,15CrMo,15CrMoG,15CrMoV,13CrMo44,13CrMo44,T721MN,T91MN 35CrMo, 35CrMoV, 40CrMo, 45CrMo, Cr9Mo, 10CrMo910, 15Mo3,Saukewa: A335P11P22, P91, T91.