Moetsi oa li-tubing oa API 5CT OCTG

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Tlhaloso e Khutšoanyane:

API 5CT OCTG tubing ke kotopo e sebelisoang ho tsamaisa oli e tala kapa khase ea tlhaho ho tloha mefuteng ea tlhahiso ho ea litsing tsa sebaka sa marang-rang bakeng sa ts'ebetso ka mor'a hore ho cheka ho phetheloe.Nakong ea ts'ebetso ea ho ntša, li-tubing tsa OCTG li tlameha ho mamella khatello 'me li tlameha ho ba matla ka ho lekaneng ho hanela meroalo le ho senyeha ho amanang le tlhahiso le basebetsi.Ho feta moo, li-tubing ka kakaretso li lekantsoe ho khotsofatsa litekanyetso tse lebelletsoeng tsa tlhahiso ea oli le khase.Ke hobane haeba tubing e le kholo haholo, re tla ba le phello ea moruo ho feta litšenyehelo tsa oli le khase ka boeona, leha ho le joalo, haeba API tubing e le nyenyane haholo, e tla thibela tlhahiso ea oli kapa khase, 'me haeba lintho li tsoela pele ka tsela ena. e tla ama ts'ebetso e latelang ea moruo oa seliba.Ka kakaretso, li-tubing li etsoa ka tsela e tšoanang le ea casing, ntle le ts'ebetso e eketsehileng e tsejoang e le "upsetting" e sebelisetsoang ho tiisa liphaephe.

Re romelle lengolo-tsoibila

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Litlhaloso tsa li-tubing tsa OCTG

1.Lekhalo la boholo (OD inch):1-1/2”----4 1/2”,

2.Boemo ba boholo (OD mm):26.67----114.3

3.Mofuta oa khatello:NUE, EUE, Plain end.

4.Tloaelo:API SPEC 5CT

5.Sehlopha sa Main Steel:H40, J55, N80, N80Q, L80, L80-1, L80-9Cr, L80-13Cr, P110 joalo-joalo.

6.Mofuta oa Tubing:Li-tubing tse sa ferekaneng (NU), Li-tubing tse sa tsitsang ka ntle (EUE), Kopanelo e Kopanetsoeng (IJ).

7,Bolelele

bolelele
Morero	R1	R2	R3
Tubing	6.10-7.32m	8.53-9.75m	11.58-12.80m
Casing	4.88-7.62m	7.62-10.36m	10.36-14.63m

Sebopeho sa Lik'hemik'hale

Standard

Kereiti

Moetso (%)

AIs

API SPEC 5CT

J55K55

0.34–0.39

0.20～
0.35

1.25–1.50

≤0.020

≤0.03

≤0.15

≤0.20

≤0.020

(37Mn5)

N80

0.34–0.38

0.20～
0.35

1.45–1.70

≤0.020

≤0.03

≤0.15

0.11
~0.16

≤0.020

(36Mn2V)

L80 (1)

≤0.43

≤0.45

≤1.9

≤0.03

≤0.25

≤0.35

L80(9Cr)

≤0.15

≤1.00

0.3–0.60

≤0.020

≤0.030

8～
10.0

≤0.50

≤0.25

0.9 ho isa ho 1.1

≤0.020

L80(13Cr)

0.15–0.22

≤1.00

0.25–1.00

≤0.020

≤0.030

12.0～
14.0

≤0.50

≤0.25

≤0.020

P110

0.26–0.35

0.17 ～
0.37

0.40 ~ 0.70

≤0.020

≤0.030

0.80～
1.10

≤0.20

0.15
~0.25

≤0.08

≤0.020

(30CrMo)

Thepa ea Mechini

Standard	Kereiti	Matla a Tensile (MPa)	Yield Strength (MPa)	Elongation (%)	Ho thatafala
API SPEC 5CT	J55	≥517	379-552	0.5%	≤241HB
	K55	≥655	379~552	0.5%
	N80	≥689	552~758	0.5%
	L80 (13Cr)	≥655	552~655	0.5%
	P110	≥862	758~965	0.6%

Casing Tubing Steel khoutu ea 'mala

Lebitso	J55	K55	N80-1	N80-Q	L80-1	P110
Casing	sehlopha se botala bo kganyang	lihlopha tse peli tse botala bo khanyang	sehlopha se sekgubedu se kganyang	sehlopha se sefubelu se khanyang + sehlopha se setala	sehlopha se sefubelu + sehlopha se sootho	sehlopha se sesoeu se kganyang
Ho kopanya	ho kopanya botala kaofela + sehlopha se sesoeu	kopanelo e tala kaofela	kopanelo e kgubedu kaofela	kopano e khubelu kaofela + sehlopha se setala	kopanyo e khubelu kaofela + sehlopha se sootho	kopano e tshweu kaofela

Litlhaloso Mofuta oa ho qetela

Kantle Diameter		Botenya ba Lerako		Boima ba 'mele				Kereiti le Mofuta o Phethahetseng*
Kantle Diameter		Botenya ba Lerako		T&C e sa Khothatseng		T&C e Phethahetseng Ka Ntle		Kereiti le Mofuta o Phethahetseng*
(Ho.)	(mm)	(Ho.)	(mm)	(lb/ft)	(kg/m)	(lb/ft)	(kg/m)	J55	L80	N80	C90	P110
2-3/8	60.32	0.167	4.24	4.00	5.95	-	-	PN	PN	PN	PN	-
		0.190	4.83	4.60	6.85	4.70	6.99	PNU	PNU	PNU	PNU	PNU
		0.254	6.45	5.80	8.63	5.95	8.85	-	PNU	PNU	PNU	PNU
		0.336	8.53	7.35	10.94	7.45	11.09	PU	-	PU	PU	-
2-7/8	73.02	0.217	5.51	6.40	9.52	6.50	9.67	PNU	PNU	PNU	PNU	PNU
		0.276	7.01	7.80	11.61	7.90	11.76	-	PNU	PNU	PNU	PNU
		0.308	7.82	8.60	12.80	8.70	12.95	-	PNU	PNU	PNU	PNU
		0.340	8.64	9.35	13.91	9.45	14.06	-	PU	-	PU	-
		0.440	11.18	11.50	17.11	-	-	N	PN	-	PN	-
3-1/2	88.90	0.216	5.49	7.70	11.46	-	-	PN	PN	PN	PN	-
		0.254	6.45	9.20	13.69	9.30	13.84	-	PNU	PNU	PNU	PNU
		0.289	7.34	10.20	15.19	-	-	PN	PN	PN	PN	-
		0.375	9.52	12.70	18.91	12.95	19.27	-	PNU	PNU	PNU	PNU
4	101.60	0.226	5.74	9.50	14.14	-	-	PN	PN	PN	PN	-
4	101.60	0.262	6.65	-	-	11.00	16.37	PU	PU	PU	PU	-
4-1/2	114.30	0.271	6.88	12.60	18.75	12.75	18.97	PNU	PNU	PNU	PNU	-