API5CT J55, K55, N80, L80, P110, C90, T95, Q125 roj casing yeeb nkab

API 5CT yog cov qauv kev qhia tshwj xeeb rau steel casing thiab tubing kav siv rau cov roj qhov dej hauv kev lag luam roj av thiab cov nkev.

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Gnee steel, steel mov los ntawm ntuj mus rau hiav txwv yog muaj, thoob ntiaj teb ncav cuag;

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Khoom taw qhia Cov ntaub ntawv technical

Khoom taw qhia

Cov ntsiab lus ntawm cov yeeb nkab roj

Txuj: API 5CT, API 5D
Steel Qib: K55, J55, L80-1, N80, C90, C95, P110, T95
Loj: 2 3/8"-4 1/2"*0.167"-0630"

Casing Yeeb
Tubing steel yeeb nkab
Roj Casing Pipe / Cov yeeb nkab steel
Xws li cov casing zoo tib yam, Anti-collapse casing, Anti-corrosion casing, Hi-strength casing
Ua haujlwm raws li phab ntsa ntawm lub qhov dej;
Txuj: API 5CT
Steel Qib: K55, J55, L80, N80, C90, C95, P110 T95, M65, E75, X95, G105, S135

1) Tubing
OD: 2 3/8" -----4 1/2"
Qhov Loj: 0.167 "-- 0.630"

Nco tseg: P : Plain kawg, N: Tsis chim, U: Sab nraud chim siab, T&C: Xov thiab ua ke.

2) Casing
OD: 2 3/8" ---- 20"
Loj: 0.205 "- 0.5"
Faj seeb: P: Plain kawg, S: Short round thread, L: Long round thread
Ntev
R1 R2 R3
Tubing 6.10 -7.32 m 8.53-9.75m 11.58-12.80m
Loj: 4.88-7.62m 6.72-10.36m 10.36-14.63m

3) Drill Pipe
OD: 2 3/8" - 5 1/2"
Ntev: 0.280 "- 0.449"
Lus Cim: EU: Sab Nraud chim, IEU: Sab Hauv & Sab Nraud chim
Xov ntawm cov cuab yeej sib koom ua ke yog sab xis lossis sab laug tes
Cov xov yog coper-plated los yog phoshphated

Cov ntaub ntawv technical

Tshuaj muaj pes tsawg leeg

Pab pawg	Qib	Hom	C		Mn		Mo		Cr		Nim max.	Cu max.	P max.	S max.	Si max.
Pab pawg	Qib	Hom	min.	max.	min.	max.	min.	max.	min.	max.	Nim max.	Cu max.	P max.	S max.	Si max.
1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16
1	H40	-	-	-	-	-	-	-	-	-	-	-	0.03	0.03	-
	J55	-	-	-	-	-	-	-	-	-	-	-	0.03	0.03	-
	k55 ua	-	-	-	-	-	-	-	-	-	-	-	0.03	0.03	-
	N80	1	-	-	-	-	-	-	-	-	-	-	0.03	0.03	-
	N80	Q	-	-	-	-	-	-	-	-	-	-	0.03	0.03	-
	R95	-	-	0,45c ua	-	1.9	-	-	-	-	-	-	0.03	0.03	0.45
2	M65	-	-	-	-	-	-	-	-	-	-	-	0.03	0.03	-
	l80 ua	1	-	0,43a ua	-	1.9	-	-	-	-	0.25	0.35	0.03	0.03	0.45
	l80 ua	9 cr ua	-	0.15	0.3	0.6	0.9	1.1	8	10	0.5	0.25	0.02	0.01	1
	l80 ua	13 Cr	0.15	0.22	0.25	1	-	-	12	14	0.5	0.25	0.02	0.01	1
	C90	1	-	0.35	-	1.2	0 ,25b	0.85	-	1.5	0.99	-	0.02	0.01	-
	T95	1	-	0.35	-	1.2	0,25d ua	0.85	0.4	1.5	0.99	-	0.02	0.01	-
	C110	-	-	0.35	-	1.2	0.25	1	0.4	1.5	0.99	-	0.02	0.005	-
3	P110	e	-	-	-	-	-	-	-	-	-	-	0.030 e	0.030 e	-
4	q125 ua	1	-	0.35		1.35	-	0.85	-	1.5	0.99	-	0.02	0.01	-
a Cov ntsiab lus carbon rau L80 yuav nce mus txog 0.50% siab tshaj yog tias cov khoom yog roj-quenched. b Cov ntsiab lus molybdenum rau Qib C90 Hom 1 tsis muaj qhov kam rau ua yam tsawg kawg nkaus yog tias phab ntsa thickness tsawg dua 17.78 hli. c Cov ntsiab lus carbon rau R95 yuav nce mus txog 0.55% siab tshaj yog tias cov khoom yog roj-quenched. d Cov ntsiab lus molybdenum rau T95 Hom 1 yuav raug txo kom tsawg li 0.15% yog tias phab ntsa thickness tsawg dua 17.78 hli. e Rau EW Qib P110, cov ntsiab lus phosphorus yuav tsum yog 0.020% siab tshaj plaws thiab cov ntsiab lus sulfur 0.010% siab tshaj. NL = no limit. Cov ntsiab lus qhia yuav tsum tau qhia hauv kev tshuaj xyuas cov khoom.

Mechanical Properties

Txuj	Hom	Tensile zog MPa	Yield zog MPa	Hardness Max.
API SPEC 5CT UAS	J55	≥517	379 ~ 552	----
	k55 ua	≥517	≥655	---
	N80	≥689	552 ~ 758	---
	L80 (13Cr)	≥655	552 ~ 655	≤ 241 HB
	P110	≥862	758 ~ 965	----