API 5CT Bakin karfe da bututu

Casing Pipe bututu ne mai girman diamita wanda ke aiki azaman mai riƙe bangon rijiyoyin mai da iskar gas, ko rijiya. Ana shigar da ita a cikin rijiyar rijiyar a sanya siminti a wuri don kare tsarin da ke karkashin kasa da kuma magudanar ruwa daga rugujewa da kuma ba da damar hakowa ya rika yawo da kuma fitar da shi. Bututun Casing Karfe suna da katanga mai santsi & ƙaramin ƙarfin samar da 35,000 psi.

API 5CT daidaitaccen kwandon mai yana taka muhimmiyar rawa wajen hana rijiyar mai lalacewa ta hanyar shimfidar mai da kuma tallafawa jigilar mai da iskar gas. Menene ƙari, bututun casing na iya tallafawa nauyin layin rijiyar don hana rushewa. API 5CT casing bututu yana tabbatar da ingantaccen ci gaba na duk aikin hakowa, bayan haka, jigilar mai da iskar gas daga hakowa zuwa ƙasa.

Abu: J55,K55,L80,N80,P110

Girman: 2-1 /2″ ,4 1/2″,5 1/2″,6 5/8″,7″,9 5/8″ zuwa 20″  / / OD 60mm zuwa 508 mm

Kaurin bango: 4-16mm

Tsawon: R1(4.88m-7.62m)/R2(7.62m-10.36m)/R3(10.36m-14.63)

hadawa:   BTC (Haɗin Haɗin Zaren Buttress)
STC (Stub(Gajeren) Mai Haɗin Zare),
LTC (Mai Haɗin Dogon Zare)

NUE /EUE /VAM ko babu zaren

Standard: API spec 5CT/ ISO11960

Takaddun shaida: API5L, ISO 9001:2008, SGS, BV, CCIC

Jiyya na saman: Shafi na waje (baƙar fentin), alama azaman api 5ct ma'auni, Varnish, mai

Haƙurin Girma:

Nau'in bututun ƙarfe	Diamita na waje		Kaurin bango
Bututun da aka yi da sanyi	Girman Tube (mm)	Haƙuri (mm)	Haƙuri (mm)
	＜114.3	± 0.79	－12.5％
	≥ 114.3	－0.5％，＋1％

Abubuwan sinadaran (Max%)

Daraja	Mfg.Tsarin	Dabaru	C	Si	Mn	P	S	Ni	Cr	Mo	Wasu
J55	SMLS	Zafafan birgima / Zana sanyi	-	-	-	0.030	0.030	-	-	-	-
N80			-	-	-	0.030	0.030	-	-	-	-
K55			-	-	-	0.030	0.030	-	-	-	-
L80			0.43	0.45	1.90	0.030	0.030	0.25	-	-	Ku 0.25
P-110			-	-	-	0.030	0.030	-	-	-	-
C90			0.35	-	1.00	0.20	0.010	0.99	1.20	0.75	-
C95			0.45	0.45	1.90	0.030	0.030	-	-	-	-
T95			0.35	-	1.20	0.20	0.010	0.99	0.40~1.50	0.25~0.85	-

Kayayyakin Injini:

Madaidaitan lambobin	Samfuran bututun ƙarfe	Ƙarfin ɗaure (MPa)	Ƙarfin Haɓaka (MPa)	Elongation (）)	Tauri
API SPEC 5CT	J55	≥517	379～552	duba tebur
	K55	≥517	≥ 655
	N80	≥689	552～758
	L80(13Cr)	≥ 655	552～655		Saukewa: 241HB
	P110	≥862	758～965