GB13296-2013 (Bututun ƙarfe maras kyau don tukunyar jirgi da masu musayar zafi). An fi amfani da shi a cikin tukunyar jirgi, superheaters, masu musayar zafi, na'urori masu ɗaukar nauyi, bututun catalytic, da sauransu na masana'antar sinadarai. An yi amfani da babban zafin jiki, matsa lamba, bututun ƙarfe mai jure lalata. Abubuwan da ke wakiltarsa ​​sune 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, da dai sauransu GB/T14975-1994 (Bakin karfe bututu maras nauyi don tsari). An fi amfani dashi don tsarin gaba ɗaya (otal da kayan ado na abinci) da tsarin injiniyoyi na masana'antar sinadarai, waɗanda ke da juriya ga lalata yanayi da acid kuma suna da takamaiman bututun ƙarfe. Abubuwan wakilcinsa sune 0-3Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, da sauransu.

GB/T14976-2012 (Bakin karfe bututun ƙarfe mara nauyi don jigilar ruwa). An fi amfani da shi don bututun da ke jigilar kafofin watsa labaru masu lalata. Abubuwan wakilci sune 0Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr17Ni12Mo2, 0Cr18Ni12Mo2Ti, da dai sauransu.

YB/T5035-2010 (Bututun ƙarfe mara nauyi don hannun rigar axle na mota). An yafi amfani da shi don yin high quality-carbon tsarin karfe da gami tsarin karfe zafi-birgima sumul karfe bututu for mota rabin-axle hannayen riga da axle tubes na drive axle gidaje. Abubuwan wakilcinsa sune 45, 45Mn2, 40Cr, 20CrNi3A, da sauransu.

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

Bututun layi: ya haɗa da bututu maras sumul da welded. Ƙarshen bututu suna da ƙananan ƙafafu, ƙuƙwalwar ƙuƙwalwa da ƙuƙwalwa; Hanyoyin haɗi sune ƙarshen walda, haɗin haɗin gwiwa, haɗin haɗin gwiwa, da dai sauransu. Babban kayan shine GR.B, X42, X52. X56, X65, X70 da sauran matakan karfe.

API SPEC5CT-2012 (Casing and Tubing Specification) Cibiyar Man Fetur ta Amurka (American Petroleum Instiute, wacce ake kira "API") ce ta tattara kuma ta bayar kuma ana amfani da ita a duk sassan duniya.

cikin:

Casing: Bututun da ke fitowa daga saman ƙasa zuwa cikin rijiyar kuma ya zama rufin rijiyar bango. Ana haɗa bututun ta hanyar haɗin gwiwa. Babban kayan su ne nau'in karfe irin su J55, N80, da P110, da nau'in karfe irin su C90 da T95 wadanda ke da juriya ga lalata hydrogen sulfide. Its low karfe sa (J55, N80) za a iya welded karfe bututu.

Tubing: Bututun da aka saka a cikin kwanon rufi daga saman ƙasa zuwa saman mai, kuma ana haɗa bututun ta hanyar haɗin gwiwa ko haɗin gwiwa. Ayyukansa shine ƙyale sashin famfo don jigilar mai daga layin mai zuwa ƙasa ta cikin bututu. Babban kayan sune matakan ƙarfe kamar J55, N80, P110, da C90, T95 waɗanda ke da juriya ga lalata hydrogen sulfide. Its low karfe sa (J55, N80) za a iya welded karfe bututu.