Za a iya raba bututun ƙarfe marasa ƙarfi zuwa ASTM American daidaitaccen bututun ƙarfe, DIN Jamus daidaitaccen bututun ƙarfe mara nauyi, JIS daidaitaccen bututun ƙarfe mara nauyi, GB na bututun ƙarfe na ƙasa, bututun ƙarfe na API da sauran nau'ikan bisa ga ka'idodin su.ASTM American daidaitattun bututun ƙarfe maras sumul suna cikin Yana da ingantacciyar gama gari a duniya kuma yana da iri da rassa da yawa.
Yanzu da dacewa sigogi na ASTM sumul karfe bututu ASTM stm a210/a210m/astm sa210/sa-210s American misali sumul karfe bututu an jera kamar haka:ASTM A210/A210M/ASME SA-210/SA-210M Manufar: dace da tukunyar jirgi tubes da tukunyar jirgi Flue bututu, ciki har da aminci iyakar, vaults da goyon bayan bututu, da kuma m bango kauri m matsakaici carbon karfe bututu ga superheater bututu.Yafi samar da maki bututun ƙarfe: A-1, C, da dai sauransu. Bayan tattaunawa, ana iya ba da sauran maki na bututun ƙarfe.
Sumul karfe bututu masana'antu tsari:
An raba bututun ƙarfe maras kyau zuwa bututun ƙarfe mai zafi-birgima, bututun ƙarfe mara nauyi mai sanyi, da sauransu bisa ga tsarin masana'anta.A diamita na sumul karfe bututu ne kullum 406mm-1800mm, da kuma bango kauri ne 20mm-220mm.Dangane da amfani da su, ana iya raba su zuwasumul karfe bututu ga Tsarin, bututun ƙarfe mara nauyi don ruwaye, bututun ƙarfe mara nauyi don tukunyar jirgi, kumabututun ƙarfe maras sumul don bututun mai.