China High-Quality Coating Pipe

Short Description:

Specifications of oil well casing

Dimension range(OD inch): 4 1/2”—30”

Dimension range(OD mm): 114.3—762

Standard: API SPEC 5CT , ISO11960, GOST

Length: R1, R2, R3

Main Steel Grade: H40, J55, K55, N80-1, N80-Q, L80-1,L80-9Cr, L80-13Cr, P110, Q125 etc

Type of Casing: Plain, BTC, STC, LTC, Other Premium Thread.

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Product Detail

Product Tags

Mechanical Properties

Standard	Grade	Tensile Strength（MPa）	Yield Strength（MPa）	Elongation（%）	Hardness
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%

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

(30CrMo)

Specifications Type of end-finish

Labels		Outside diameter (d/mm)	T&C (kg/m)	Wall thickness (t/mm)	Type of end-finish
Labels					Type of end-finish
1	2				J55/K55	M65	L80/R95	N80-1/Q	C90/T95	P110	Q125
4-1/2	9.50	114.30	14.14	5.21	PS	PS	-	-	-	-	-
	10.50	114.30	15.63	5.69	PSB	PSB	-	-	-	-	-
	11.60	114.30	17.26	6.35	PSLB	PLB	PLB	PLB	PLB	PLB	-
	13.50	114.30	20.09	7.37	-	PLB	PLB	PLB	PLB	PLB	-
	15.10	114.30	22.47	8.56	-	-	-	-	-	PLB	PLB
5	11.50	127.00	17.11	5.59	PS	PS	-	-	-	-	-
	13.00	127.00	19.35	6.43	PSLB	PSLB	-	-	-	-	-
	15.00	127.00	22.32	7.52	PSLB	PLB	SLB	PLB	PLB	PLB
	18.00	127.00	26.79	9.19	-	PLB	SLB	PLB	PLB	PLB	PLB
	21.40	127.00	31.85	11.10	-	PLB	PLB	PLB	PLB	PLB	PLB
	23.20	127.00	34.53	12.14	-	-	PLB	PLB	PLB	PLB	PLB
	24.10	127.00	35.87	12.70	-	-	PLB	PLB	PLB	PLB	PLB
5-1/2	14.00	139.70	20.83	6.20	PS	PS	-	-	-	-	-
	15.50	139.70	23.07	6.98	PSLB	PSLB	-	-	-	-	-
	17.00	139.70	25.30	7.72	PSLB	PLB	PLB	PLB	PLB	PLB	-
	20.00	139.70	29.76	9.17	-	PLB	PLB	PLB	PLB	PLB	-
	23.00	139.70	34.23	10.54	-	PLB	PLB	PLB	PLB	PLB	PLB
	26.80	139.70	39.88	12.70	-	-	-	-	P	-	-
	29.70	139.70	44.20	14.27	-	-	-	-	P	-	-
	32.60	139.70	48.52	15.88	-	-	-	-	P	-	-
	35.30	139.70	52.53	17.45	-	-	-	-	P	-	-
	38.00	139.70	56.55	19.05	-	-	-	-	P	-	-
	40.50	139.70	60.27	20.62	-	-	-	-	P	-	-
	43.10	139.70	64.14	22.22	-	-	-	-	P	-	-
6-5/8	20.00	168.28	29.76	7.32	PSLB	PSLB	-	-	-	-	-
	24.00	168.28	35.72	8.94	PSLB	PLB	PLB	PLB	PLB	PLB	-
	28.00	168.28	41.67	10.59	-	PLB	PLB	PLB	PLB	PLB	-
	32.00	168.28	47.62	12.06	-	-	PLB	PLB	PLB	PLB	PLB
7	17.00	177.80	25.30	5.87	-	-	-	-	-	-	-
	20.00	177.80	29.76	6.91	PS	PS	-	-	-	-	-
	23.00	177.80	34.23	8.05	PSLB	PLB	PLB	PLB	PLB	-	-
	26.00	177.80	38.69	9.19	-	PLB	PLB	PLB	PLB	PLB	-
	29.00	177.80	43.16	10.36	-	PLB	PLB	PLB	PLB	PLB	-
	32.00	177.80	47.62	11.51	-	PLB	PLB	PLB	PLB	PLB	-
	35.00	177.80	52.09	12.65	-	-	PLB	PLB	PLB	PLB	PLB
	38.00	177.80	56.55	13.72	-	-	PLB	PLB	PLB	PLB	PLB
	42.70	177.80	63.55	15.88	-	-	-	-	P	-	-
	46.40	177.80	69.05	17.45	-	-	-	-	P	-	-
	50.10	177.80	74.56	19.05	-	-	-	-	P	-	-
	53.60	177.80	79.77	20.62	-	-	-	-	P	-	-
	57.10	177.80	84.98	22.22	-	-	-	-	P	-	-
7-5/8	24.00	193.68	35.72	7.62	-	-	-	-		-	-
	26.40	193.68	39.29	8.33	PSLB	PSLB	PLB	PLB	PLB	-	-
	29.70	193.68	44.20	9.52	-	PLB	PLB	PLB	PLB	PLB	-
	33.70	193.68	50.15	10.92	-	PLB	PLB	PLB	PLB	PLB	-
	39.00	193.68	58.04	12.70	-	-	PLB	PLB	PLB	PLB	PLB
	42.80	193.68	63.69	14.27	-	-	PLB	PLB	PLB	PLB	PLB
	45.30	193.68	67.42	15.11	-	-	PLB	PLB	PLB	PLB	PLB
	47.10	193.68	70.09	15.88	-	-	PLB	PLB	PLB	PLB	PLB
	51.20	193.68	76.20	17.45	-	-	-	-	P	-	-
	55.30	193.68	82.30	19.05	-	-	-	-	P	-	-
7-3/4	46.10	196.85	68.61	15.11	-	-	P	P	P	P	P
8-5/8	24.00	219.08	35.72	6.71	PS	PS	-	-	-	-	-
	28.00	219.08	41.67	7.72		PS	-	-	-	-	-
	32.00	219.08	47.62	8.94	PSLB	PSLB	-	-	-	-	-
	36.00	219.08	53.58	10.16	PSLB	PSLB	PLB	PLB	PLB	PLB	-
	40.00	219.08	59.53	11.43	-	PLB	PLB	PLB	PLB	PLB	-
	44.00	219.08	65.48	12.70	-	-	PLB	PLB	PLB	PLB	-
	49.00	219.08	72.92	14.15	-	-	PLB	PLB	PLB	PLB	PLB
9-5/8	32.30	244.48	48.07	7.92	-	-	-	-	-	-	-
	36.00	244.48	53.58	8.94	PSLB	PSLB	-	-	-	-	-
	40.00	244.48	59.53	10.03	PSLB	PSLB	PLB	PLB	PLB	-	-
	43.50	244.48	64.74	11.05	-	PLB	PLB	PLB	PLB	PLB	-
	47.00	244.48	69.95	11.99	-	PLB	PLB	PLB	PLB	PLB	PLB
	53.50	244.48	79.62	13.84	-	-	PLB	PLB	PLB	PLB	PLB
	58.40	244.48	86.91	15.11	-	-	PLB	PLB	PLB	PLB	PLB
	59.40	244.48	88.40	15.47	-	-	-	-	P	-	-
	64.90	244.48	96.58	17.07	-	-	-	-	P	-	-
	70.30	244.48	104.62	18.64	-	-	-	-	P	-	-
	75.60	244.48	112.51	20.24	-	-	-	-	P	-	-
10-3/4	32.75	273.05	48.74	7.09	-	-	-	-	-	-	-
	40.50	273.05	60.27	8.89	PSB	PSB	-	-	-	-	-
	45.50	273.05	67.71	10.16	PSB	PSB	-	-	-	-	-
	51.00	273.05	75.90	11.43	PSB	PSB	PSB	PSB	PSB	PSB	-
	55.50	273.05	82.60	12.57	-	PSB	PSB	PSB	PSB	PSB	-
	60.70	273.05	90.33	13.84	-	-	-	-	PSB	PSB	PSB
	65.70	273.05	97.77	15.11	-	-	-	-	PSB	PSB	PSB
	73.20	273.05	108.94	17.07	-	-	-	-	P	-	-
	79.20	273.05	117.87	18.64	-	-	-	-	P	-	-
	85.30	273.05	126.94	20.24	-	-	-	-	P	-	-
11-3/4	42.00	298.45	62.50	8.46	-	-	-	-	-	-	-
	47.00	298.45	69.95	9.53	PSB	PSB	-	-	-	-	-
	54.00	298.45	80.36	11.05	PSB	PSB	-	-	-	-	-
	60.00	298.45	89.29	12.42	PSB	PSB	PSB	PSB	PSB	PSB	PSB
	65.00	298.45	96.73	13.56	-	-	P	P	P	P	P
	71.00	298.45	105.66	14.78	-	-	P	P	P	P	P
13-3/8	48.00	339.72	71.43	8.38	-	-	-	-	-	-	-
	54.50	339.72	81.11	9.65	PSB	PSB	-	-	-	-	-
	61.00	339.72	90.78	10.92	PSB	PSB	-	-	-	-	-
	68.00	339.72	101.20	12.19	PSB	PSB	PSB	PSB	PSB	PSB	-
	72.00	339.72	107.15	13.06	-	-	PSB	PSB	PSB	PSB	PSB
16	65.00	406.40	96.73	9.53	-	-	-	-	-	-	-
	75.00	406.40	111.62	11.13	PSB	PSB	-	-	-	-	-
	84.00	406.40	125.01	12.57	PSB	PSB	-	-	-	-	-
	109.00	406.40	162.21	16.66	P	-	P	P	-	P	P
18-5/8	87.50	473.08	130.22	11.05	PSB	PSB	-	-	-	-	-
20	94.00	508.00	139.89	11.13	PSLB	PSLB	-	-	-	-	-
	106.50	508.00	158.49	12.70	PSLB	PSLB	-	-	-	-	-
	133.00	508.00	197.93	16.13	PSLB	-	-	-	-	-	-

* P - plain end, S - short round thread, B - buttress, L - long round thread

Name	J55	K55	N80-1	N80-Q	L80-1	P110
Casing	a bright green band	two bright green bands	a bright red band	a bright red band + a green band	a red band + a brown band	a bright white band
Coupling	entire green coupling + a white band	entire green coupling	entire red coupling	entire red coupling + a green band	entire red coupling + a brown band	entire white coupling