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Tubing

Category : Oilfiled Tubulars(OCTG)

Pipe type:Tubing

Size :

OD: Tubing:OD 2 3/8" - 4 1/2" (60.3mm-114.30mm)

WT: 0. 205"- 0.635"

Length: R1(6.10mtr-7.32mtr), R2(8.53mtr-9.75mtr), R3(11.58 -12.80mtr)

Connection: NUE, EUE or as customer's requirement

Standard & Grade:API 5CT, SY/T 6194, BS EN ISO 11960, NF M87-207, JIS G3439, IS:4270, H-40, J55, K-55, N-80, N80Q, C-75, L-80, C-90, T-95, P110, Q-125

Surface:Black Painting, Corrosion proofing water based paint;

Packing:Bundled or bulk , seaworthy packing or for the client's requirement

Usage:Tube for conveying gas, water, and oil in both and natural gas industries etc.

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Description
Specification
Standard
Process
Packing

Tubing is used for a variety of applications, including fluid and gas transportation, structural support, electrical and electronic wiring, medical procedures, and more.

CASING AND TUBING

API 5CT

Casing:OD 4 1/2"- 20" (114.3mm-508mm) Tubing:OD 2 3/8" - 4 1/2" (60.3mm-114.30mm)

WT: 0. 205"- 0.635"

H-40, J55, K-55, N-80, C-75, L-80, C-90, T-95,P110,Q-125

Petroleum and natural gas industries - Steel pipes for use as casing or tubing for wells

SY/T 6194 /

BS EN ISO 11960/

NF M87-207

Casing:OD 4 1/2"- 20" (114.3mm-508mm) Tubing:OD 2 3/8" - 4 1/2" (60.3mm-114.30mm)

WT: 0. 205"- 0.635"

H-40, J55, K-55, N-80,N80Q,C-75, L-80, C-90, T-95,P110,Q-125

il Tubing	Range 1	Range 2	Range 3
il Tubing	6.10~7.32	8.53~9.75	11.58~12.80

Label				D Outside diameter mm	Wall thickness mm	C type of end-finish
1	2					C type of end-finish
1	NU T&C	EU T&C	IJ			H40	J55	L80	N80	C90	T95	P110
1.9	2.75	2.9	4	48.26	3.68	PNUI	PNUI	PNUI	PNUI	PNUI	PNUI
	3.65	3.73	2.76	48.26	5.08	PU	PU	PU	PU	PU	PU	PU
	4.42	-	-	48.26	6.35	-	-	P	-	P	P	-
2 3/8	4	-	-	60.32	4.24	PU	PN	PN	PN	PN	PN	-
	4.6	4.7	-	60.32	4.83	PNU	PNU	PNU	PNU	PNU	PNU	PNU
	5.8	5.95	-	60.32	6.45	-	-	PNU	PNU	PNU	PNU	PNU
	6.6	-	-	60.32	7.49	-	-	P	-	P	P	-
	7.35	7.45	-	60.32	8.53	-	-	PU	-	PU	PU	-
2 7/8	6.4	6.5	-	73.02	5.51	PNU	PNU	PNU	PNU	PNU	PNU	PNU
	7.8	7.9	-	73.02	7.01	-	-	PNU	PNU	PNU	PNU	PNU
	8.6	8.7	-	73.02	7.82	-	-	PNU	PNU	PNU	PNU	PNU
	9.35	9.45	-	73.02	8.64	-	-	PU	-	PU	PU	-
	10.5	-	-	73.02	9.96	-	-	P	-	P	P	-
3 1/2	7.7	-	-	88.9	5.49	PN	PN	PN	PN	PN	PN	-
	9.2	9.3	-	88.9	6.45	PNU	PNU	PNU	PNU	PNU	PNU	PNU
	10.2	-	-	88.9	7.34	PN	PN	PN	PN	PN	PN	-
	12.7	12.95	-	88.9	9.52	-	-	PNU	-	PNU	PNU	PNU
	14.3	-	-	88.9	10.92	-	-	P	-	P	P	-
	15.5	-	-	88.9	12.09	-	-	P	-	P	P	-
4	9.5	-	-	101.6	5.74	PN	PN	PN	PN	PN	PN	-
	10.7	11	-	101.6	6.65	PU	PU	PU	PU	PU	PU	-
	13.2	-	-	101.6	8.38	-	-	P	-	P	P	-
	16.1	-	-	101.6	10.54	-	-	P	-	P	P	-
4 1/2	12.6	12.75	-	114.3	6.88	PNU	PNU	PNU	PNU	PNU	PNU	-
4 1/2	15.2	-	-	114.3	8.56	-	-	P	-	P	P	-

Note: P—plain-end；N—non-upset, with threaded and coupled；U—external-upset, with threaded and coupled；I—whole joint

Pipe Types	Pipe Size (mm)		Tolerances
Hot Rolled	OD	≤159	±1.0%
	OD	>159	±1.20%
	WT	≤20	±12.5%
	WT	>20	±10.0%
Cold Drawn	OD	≤30	±0.20mm
		30-50	±0.30mm
		>50	±0.8%
	WT	≤3	+12% -10%
	WT	>3	±10%

Oil Tubing	Range 1	Range 2	Range 3
Oil Tubing	6.10~7.32	8.53~9.75	11.58~12.80

Label				D Outside diameter mm	Wall thickness mm	C type of end-finish
1	2					C type of end-finish
1	NU T&C	EU T&C	IJ			H40	J55	L80	N80	C90	T95	P110
1.9	2.75	2.9	4	48.26	3.68	PNUI	PNUI	PNUI	PNUI	PNUI	PNUI
	3.65	3.73	2.76	48.26	5.08	PU	PU	PU	PU	PU	PU	PU
	4.42	-	-	48.26	6.35	-	-	P	-	P	P	-
2 3/8	4	-	-	60.32	4.24	PU	PN	PN	PN	PN	PN	-
	4.6	4.7	-	60.32	4.83	PNU	PNU	PNU	PNU	PNU	PNU	PNU
	5.8	5.95	-	60.32	6.45	-	-	PNU	PNU	PNU	PNU	PNU
	6.6	-	-	60.32	7.49	-	-	P	-	P	P	-
	7.35	7.45	-	60.32	8.53	-	-	PU	-	PU	PU	-
2 7/8	6.4	6.5	-	73.02	5.51	PNU	PNU	PNU	PNU	PNU	PNU	PNU
	7.8	7.9	-	73.02	7.01	-	-	PNU	PNU	PNU	PNU	PNU
	8.6	8.7	-	73.02	7.82	-	-	PNU	PNU	PNU	PNU	PNU
	9.35	9.45	-	73.02	8.64	-	-	PU	-	PU	PU	-
	10.5	-	-	73.02	9.96	-	-	P	-	P	P	-
3 1/2	7.7	-	-	88.9	5.49	PN	PN	PN	PN	PN	PN	-
	9.2	9.3	-	88.9	6.45	PNU	PNU	PNU	PNU	PNU	PNU	PNU
	10.2	-	-	88.9	7.34	PN	PN	PN	PN	PN	PN	-
	12.7	12.95	-	88.9	9.52	-	-	PNU	-	PNU	PNU	PNU
	14.3	-	-	88.9	10.92	-	-	P	-	P	P	-
	15.5	-	-	88.9	12.09	-	-	P	-	P	P	-
4	9.5	-	-	101.6	5.74	PN	PN	PN	PN	PN	PN	-
	10.7	11	-	101.6	6.65	PU	PU	PU	PU	PU	PU	-
	13.2	-	-	101.6	8.38	-	-	P	-	P	P	-
	16.1	-	-	101.6	10.54	-	-	P	-	P	P	-
4 1/2	12.6	12.75	-	114.3	6.88	PNU	PNU	PNU	PNU	PNU	PNU	-
4 1/2	15.2	-	-	114.3	8.56	-	-	P	-	P	P	-

Note: P—plain-end；N—non-upset, with threaded and coupled；U—external-upset, with threaded and coupled；I—whole joint

Pipe Types	Pipe Size (mm)		Tolerances
Hot Rolled	OD	≤159	±1.0%
	OD	>159	±1.20%
	WT	≤20	±12.5%
	WT	>20	±10.0%
Cold Drawn	OD	≤30	±0.20mm
		30-50	±0.30mm
		>50	±0.8%
	WT	≤3	+12% -10%
	WT	>3	±10%

API Spec 5CT – Specification 5CT/ISO 11960, Specification for Casing and Tubing, Eighth Edition, Petroleum and natural gas industries-Steel pipes for use as casing or tubing for wells

Mechanical Properties:

Group	Grade	Type	Total elongation under load %	Yield Strength M pa		Tensile strength min Mpa	Hardness
Group	Grade	Type	Total elongation under load %	min	max	Tensile strength min Mpa	HRC	HBW
1	2	3	4	5	6	7	8	9
2	J55	-	0.5	379	552	517	-	-
	K55	-	0.5	379	552	655	-	-
	N80	1	0.5	552	758	689	-	-
	N80	Q	0.5	552	758	689	-	-
3	L80	1	0.5	552	655	655	23	241
	L80	9Cr	0.5	552	655	655	23	241
	L80	13Cr	0.5	552	655	655	23	241
	C90		0.5	621	689	689	25.4	255
	C95	-	0.5	655	724	724	-	-
	T95		0.5	655	724	724	25.4	255
	P110	-	0.6	758	862	862	-	-
4	Q125	All	0.65	862	931	931	-	-

Chemical Composition

Standard

Grade

Composition（%）

AIs

API SPEC 5CT

J55K55

0.34～0.39

0.20～
0.35

1.25～1.50

≤0.020

≤0.015

≤0.15

≤0.20

≤0.020

(37Mn5)

N80

0.34～0.38

0.20～
0.35

1.45～1.70

≤0.020

≤0.015

≤0.15

0.11
～0.16

≤0.020

(36 Mn2V)

L80(13Cr)

0.15～0.22

≤1.00

0.25～1.00

≤0.020

≤0.010

12.0～
14.0

≤0.20

≤0.020

P110

0.26～0.35

0.17～
0.37

0.40～0.70

≤0.020

≤0.010

0.80～
1.10

≤0.20

0.15
～0.25

≤0.08

≤0.020

Round Pipe → pipe inspection → NDT inspection MPI → End Threading → Thread Inspection → Coupling Threading lnspection → NDT inspection MPI ( coupling) → Phosphating (for coupling) → Coupling power Make up → Hydrostatic test → Drift test → Doping and Protectors Application → Coating → Measurement of Length and Weight → Colour Identification → Marking → Packing → Warehousing

Bundled package

Wooden box package

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Email : info@steel-industrial.com

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