Bayanin API SPEC 5L yana ba da ka'idoji don bututun da ya dace don amfani da isar gas, ruwa, da mai a cikin iskar gas da masana'antar mai. API SPEC 5L yana rufe bututun ƙarfe maras sumul da welded. Ya haɗa da bututu mai haske-ƙarshen, zaren-ƙarshen, da bututu mai ƙararrawa, da bututun ta-da-flowline (TFL), da bututu tare da iyakar da aka shirya don amfani tare da haɗin gwiwa na musamman.

Ƙayyadaddun bayanai	OD	6mm-660.4.4mm
	WT	1-80 mm
	Tsawon	1-12m

Bututun da aka ƙera zuwa ASTM106 Grade A ko B ba a iya musanya su da API 5L. Abubuwan buƙatun zuwa maki API 5L X sun fi ƙarfi; ba a yarda da maki na birgima kuma ba a yarda da sake yin aiki ba. Bugu da ƙari, ana ba da kulawa ta musamman ga taurin ƙarfi da gwaje-gwajen tauri don sabis na tsami da mafi girman matsa lamba & azuzuwan zafin jiki.

Matakan Ƙarfi & Desulphurization

Manganese sulphides sune abubuwan haɗawa na yau da kullun a cikin duk abubuwan ƙarfe na manganese. Saboda sun kasance suna rarrabuwa wanda ke haifar da raguwar ƙarfin tasiri, abun cikin sulfur yana buƙatar rage girmansa. Mun ƙayyade iyakar 0.007%.

API 5L Fa'idodin & Aikace-aikace Gas, sufurin ruwa da mai - an fi so a cikin dogon bututun saboda rashin tsada
Bututun karfe - juriya ga fasa yaduwa
Bututun Layi / Matsakaicin Madaidaicin Ƙimar Layin Layi na API

Ƙididdigar Cibiyar Man Fetur ta Amurka API 5L tana ba da adireshin bututun ƙarfe mara ƙarfi da welded don tsarin jigilar bututun mai a masana'antar mai da iskar gas. API 5L ya dace don isar da gas, ruwa, da mai.

Ƙayyadaddun ƙayyadaddun bayanai don API 5L suna bin International Organisation for Standardization ISO 3183, daidaita tsarin jigilar bututu a cikin kayan, kayan aiki da tsarin teku don iskar gas, mai, da masana'antar petrochemical. Lokacin rubuta ma'auni, kwamitin fasaha ya gane cewa akwai matakan ƙayyadaddun samfur guda biyu (PSL) na buƙatun fasaha don haka ya haɓaka PSL 1 da PSL 2. , da buƙatun gwaji.

Makiyoyi da wannan ƙayyadaddun bayanai ke rufe sune A25, A, B da “X” Makiyoyi X42, X46, X52, X56, X60, X65, X70, da X80. Lambobin lambobi biyu da ke biye da "X" suna nuna Ƙarfin Haɓaka Mafi Ƙarfin (a cikin psi 000) na bututu da aka samar zuwa wannan matakin.

Bayanan fasaha

API 5L X Maki

Daraja	Haɗin Sinadari								Ƙarfin Haɓaka	Ƙarfin Ƙarfi	Bayarwa zuwa Tensile	Tsawaitawa
	C	Si	Mn	P	S	V	Nb	Ti	min. (KSI)	min. (KSI)	Rabo (max)	%
API 5L X52	0.16	0.45	1.65	0.020	0.010	0.07	0.05	0.04	52	66	0.93	21
API 5L X56	0.16	0.45	1.65	0.020	0.010	0.07	0.05	0.04	56	71	0.93	19
API 5L X60	0.16	0.45	1.65	0.020	0.010	0.08	0.05	0.04	60	75	0.93	19
API 5L X65	0.16	0.45	1.65	0.020	0.010	0.09	0.05	0.06	65	77	0.93	18
API 5L X70	0.17	0.45	1.75	0.020	0.010	0.10	0.05	0.06	70	82	0.93	17