GB13296-2013 (Bututun ƙarfe marasa sumul don tukunyar jirgi da masu musayar zafi). Ana amfani da shi galibi a cikin tukunyar jirgi, na'urorin dumama, na'urorin musanya zafi, na'urorin sanyaya daki, bututun catalytic, da sauransu na kamfanonin sinadarai. Ana amfani da bututun ƙarfe mai zafi mai yawa, mai matsin lamba, mai jure tsatsa. Kayan da aka wakilta sune 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, da sauransu. GB/T14975-1994 (bututun ƙarfe mara sumul don tsari). Ana amfani da shi galibi don tsari na gabaɗaya (adon otal da gidan abinci) da tsarin injiniya na kamfanonin sinadarai, waɗanda ke jure wa tsatsa ta yanayi da acid kuma suna da wasu bututun ƙarfe masu ƙarfi. Kayan da aka wakilta sune 0-3Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, da sauransu.

GB/T14976-2012 (Bututun ƙarfe mara shinge don jigilar ruwa). Ana amfani da shi galibi don bututun da ke jigilar kayan lalata. Kayan da aka wakilta sune 0Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr17Ni12Mo2, 0Cr18Ni12Mo2Ti, da sauransu.

YB/T5035-2010 (Bututun ƙarfe mara sumul don hannun axle na mota). Ana amfani da shi galibi don yin bututun ƙarfe mai inganci na carbon da ƙarfe mai tsari mai ƙarfe mai zafi mai birgima don hannun axle na mota da bututun axle na gidajen axle na tuƙi. Kayan da aka wakilta su ne 45, 45Mn2, 40Cr, 20CrNi3A, da sauransu.

API SPEC 5L-2018 (ƙayyade bututun layi), wanda Cibiyar Man Fetur ta Amurka ta tattara kuma ta bayar, ana amfani da shi sosai a duk faɗin duniya.

Bututun layi: ya haɗa da bututun da ba su da matsala da kuma waɗanda aka haɗa. Ƙarshen bututun suna da ƙarshen lebur, ƙarshen zare da ƙarshen soket; hanyoyin haɗin sune walda ta ƙarshe, haɗin haɗin gwiwa, haɗin soket, da sauransu. Babban kayan sune GR.B, X42, X52. X56, X65, X70 da sauran matakan ƙarfe.

Cibiyar Man Fetur ta Amurka (American Petreleum Instiute, wacce aka fi sani da "API") ce ta tattara kuma ta bayar da API SPEC5CT-2012 (Bayanin Casing da Tubeing) kuma ana amfani da ita a duk sassan duniya.

a cikin:

Murfin: Bututu ne da ke fitowa daga saman ƙasa zuwa cikin rijiyar kuma yana aiki a matsayin rufin bango na rijiyar. Ana haɗa bututun ta hanyar haɗa abubuwa. Manyan kayan sune ƙarfe kamar J55, N80, da P110, da ƙarfe kamar C90 da T95 waɗanda ke jure wa tsatsa ta hydrogen sulfide. Ana iya haɗa bututun ƙarfe mara ƙarfi (J55, N80).

Bututun Ruwa: Bututun da aka saka a cikin bututun daga saman ƙasa zuwa saman mai, kuma bututun suna haɗuwa ta hanyar haɗawa ko kuma haɗin kai. Aikinsa shine ya ba wa na'urar famfo damar jigilar mai daga saman mai zuwa ƙasa ta cikin bututun. Babban kayan sune ƙarfe kamar J55, N80, P110, da C90, T95 waɗanda ke jure wa tsatsawar hydrogen sulfide. Ana iya haɗa bututun ƙarfe mara ƙarfi (J55, N80).