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Oil Tubing

Application: For extracting Oil or Gas from Wells
OD: 40.26-114.3mm, WT: 3.18-16mm, L: R1, R2, R3
Standard & Grade: API 5CT J55/K55/N80/C75/L80/C90/T95/Q125
Process Type: Seamless (SMLS), Electric Resistance Welded (ERW)
End: Beveled, Square Cut, With LTC/STC/BTC/VAM Connection
Surface: Anti-corrosion & water-based paint
Packing: Protection Caps in Both Ends, Waterproof Paper Wrapped, Two Tags

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OCTG tubing is a pipeline which transports crude oil and nature gas from hydrocarbon reservoir to the surface after the completion of drilling. It’s one of the main products of OCTG and it can withstand the pressure generated in the process of mining.

Oil tubing pipe is divided into non-upset(NU) oil pipe , external upset(EU) oil pipe and integral joint oil pipe. Non-upset oil pipe is the pipe end directly carried out thread turning which does not thickened and band coupling.

External upset oil pipe refers to the end of tube carry out thicken. The integral joint oil pipe is one end of which is passed through the internal thickened, the other end passes through the external thickened.

Outside diameter of tubing is from 1.660” to 4 1/2” (42.16mm to 114.3mm); wall thickness is from 2.3 PPF to 26.10 PPF (3.57mm to 9.52mm). Based on the standard of API 5CT, ISO11960, GOST, and their steel grade are from H40, J55, N80, N80Q, L80, L80-1, L80-9Cr, L80-13Cr, P110 etc. As you know the length range is R1 (6.10-7.32M), R2 (8.53-9.75M), R3 (11.58-12.8M), R2 is used frequently.

Tubing Sizes				Processed Forms of end finish
Outer Diameter		Wall Thickness		H40	J55	L80	N801 N80Q	C90 T95	P110
in	mm	in	mm			L80	N801 N80Q	C90 T95	P110
1.900	48.26	0.125	3.18	PI	PI	/	/	/	/
		0.145	3.68	PNUI	PNUI	PNUI	PNUI	PNUI	/
		0.200	5.08	PU	PU	PU	PU	PU	PU
		0.250	6.35	/	/	P	/	P	/
		0.300	7.62	/	/	P	/	P	/
2.063	52.40	0.156	3.96	PI	PI	PI	PI	PI	/
2.063	52.40	0.225	5.72	P	P	P	P	P	P
2 3/8	60.32	0.167	4.24	PU	PN	PN	PN	PN	/
		0.190	4.83	PNU	PNU	PNU	PNU	PNU	PNU
		0.254	6.45	/	/	PNU	PNU	PNU	PNU
		0.295	7.49	/	/	P	/	P	/
		0.336	8.53	/	/	PU	/	PU	/
2 7/8	73.02	0.217	5.51	PNU	PNU	PNU	PNU	PNU	PNU
		0.276	7.01	/	/	PNU	PNU	PNU	PNU
		0.308	7.82	/	/	PNU	PNU	PNU	PNU
		0.340	8.64	/	/	PU	/	PU	/
		0.392	9.96	/	/	P	/	P	/
		0.440	11.18	/	/	P	/	P	/
3 1/2	88.90	0.216	5.49	PN	PN	PN	PN	PN	/
		0.254	6.45	PNU	PNU	PNU	PNU	PNU	PNU
		0.289	7.34	PN	PN	PN	PN	PN	/
		0.375	9.52	/	/	PNU	PNU	PNU	PNU
		0.430	10.92	/	/	P	/	P	/
		0.476	12.09	/	/	P	/	P	/
		0.530	13.46	/	/	P	/	P	/
4	101.60	0.226	5.74	PN	PN	PN	PN	PN	/
		0.262	6.65	PU	PU	PU	PU	PU	/
		0.330	8.38	/	/	P	/	P	/
		0.415	10.54	/	/	P	/	P	/
		0.500	12.70	/	/	P	/	P	/
		0.610	15.49	/	/	P	/	P	/
4 1/2	114.30	0.271	6.88	PNU	PNU	PNU	PNU	PNU	/
		0.337	8.56	/	/	P	/	P	/
		0.380	9.65	/	/	P	/	P	/
		0.430	10.92	/	/	P	/	P	/
		0.500	12.70	/	/	P	/	P	/
		0.560	14.22	/	/	P	/	P	/
		0.630	16.00	/	/	P	/	P	/

Tubing Sizes				Processed Forms of end finish
Outer Diameter		Wall Thickness		H40	J55	L80	N801 N80Q	C90 T95	P110
in	mm	in	mm			L80	N801 N80Q	C90 T95	P110
1.900	48.26	0.125	3.18	PI	PI	/	/	/	/
		0.145	3.68	PNUI	PNUI	PNUI	PNUI	PNUI	/
		0.200	5.08	PU	PU	PU	PU	PU	PU
		0.250	6.35	/	/	P	/	P	/
		0.300	7.62	/	/	P	/	P	/
2.063	52.40	0.156	3.96	PI	PI	PI	PI	PI	/
2.063	52.40	0.225	5.72	P	P	P	P	P	P
2 3/8	60.32	0.167	4.24	PU	PN	PN	PN	PN	/
		0.190	4.83	PNU	PNU	PNU	PNU	PNU	PNU
		0.254	6.45	/	/	PNU	PNU	PNU	PNU
		0.295	7.49	/	/	P	/	P	/
		0.336	8.53	/	/	PU	/	PU	/
2 7/8	73.02	0.217	5.51	PNU	PNU	PNU	PNU	PNU	PNU
		0.276	7.01	/	/	PNU	PNU	PNU	PNU
		0.308	7.82	/	/	PNU	PNU	PNU	PNU
		0.340	8.64	/	/	PU	/	PU	/
		0.392	9.96	/	/	P	/	P	/
		0.440	11.18	/	/	P	/	P	/
3 1/2	88.90	0.216	5.49	PN	PN	PN	PN	PN	/
		0.254	6.45	PNU	PNU	PNU	PNU	PNU	PNU
		0.289	7.34	PN	PN	PN	PN	PN	/
		0.375	9.52	/	/	PNU	PNU	PNU	PNU
		0.430	10.92	/	/	P	/	P	/
		0.476	12.09	/	/	P	/	P	/
		0.530	13.46	/	/	P	/	P	/
4	101.60	0.226	5.74	PN	PN	PN	PN	PN	/
		0.262	6.65	PU	PU	PU	PU	PU	/
		0.330	8.38	/	/	P	/	P	/
		0.415	10.54	/	/	P	/	P	/
		0.500	12.70	/	/	P	/	P	/
		0.610	15.49	/	/	P	/	P	/
4 1/2	114.30	0.271	6.88	PNU	PNU	PNU	PNU	PNU	/
		0.337	8.56	/	/	P	/	P	/
		0.380	9.65	/	/	P	/	P	/
		0.430	10.92	/	/	P	/	P	/
		0.500	12.70	/	/	P	/	P	/
		0.560	14.22	/	/	P	/	P	/
		0.630	16.00	/	/	P	/	P	/

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

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

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