Api Line Pipes

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★Standard: API SPEC 5CT
★Grades: J55, K55, N80-1, N80-Q, L80-1, L80-9Cr, L80-13Cr, C95, P110, Q125
★Dimensions: OD: 114.3-508mm WT: 5.21-16.13mm
★Thread types: STC, LTC, BTC, special clearance, XC, VAM TOP, NEW VAM.
★Applications: oil well casing serves as well sidewall.

What is the API SPEC 5CT Well Casing?

API SPEC 5CT well casing is utilized in fixing the well wall or down hole, which has wider diameters. API SPEC 5CT can be divided into conductor casing, technical casing and oil casing.

Oil Well Casing Workshop

API 5CT Casing Detail

Quality assurance of API 5CT Oil Well Casing
Under ISO9001, we own a set of complete and effective quality system in our factory. Authorized by the American Petroleum Institute, Anson steel is awarded API 5CT production certificate. Furthermore, we has strict inspection and test system before shipping including dimensional inspection, strength test, tensile test, hardness test, hydrostatic test etc. Therefore, our API 5CT well casing has enough quality assurance to eliminate your worries.

“ZGL GROUP”as a professional casing pipe suppliers and exporter in casing and tubing as well as drill tubes and drill collars in the international trade, we have enough in stock in the warehouse every month. Furthermore, we keep a good relationship with each big steel factory in China, so we can guarantee the delivery time and competitive prices for customers. Therefore, if you have any inquiry on API 5CT casing, please contact us by e-mail or ring us as soon as possible!

API 5CT Casing Packing and Delivery:

Packing for Well Casing

Well Casing Delivery

API 5CT Well Casing Length:

API 5CT Casing	Range 1	Range 2	Range 3
API 5CT Casing	4.88~7.62	7.62~10.36	10.36~14.63

API 5CT Well Casing Dimension:

Labels		OD(mm)	WT(mm)	J55/K55	N80	L80	C90/T95	P110	Q125
4 1/2	9.5	114.3	5.21	PS	-	-	-	-	-
	10.5	114.3	5.69	PSB	-	-	-	-	-
	11.6	114.3	6.36	PSLB	PLB	PLB	PLB	PLB	-
	13.5	114.3	7.37	-	PLB	PLB	PLB	PLB	-
	15.1	114.3	8.56	-	-	-	-	PLB	PLB
5	11.5	127	5.59	PS	-	-	-	-	-
	13		6.43	PSLB	-	-	-	-	-
	15		7.52	PSLBE	PLBE	PLBE	PLBE	PLBE	-
	18		9.19	-	PLBE	PLBE	PLBE	PLBE	PLBE
	21.4		11.10	-	PLB	PLB	PLB	PLB	PLB
	23.2		12.14	-	PLB	PLB	PLB	PLB	PLB
	24.1		12.7	-	PLB	PLB	PLB	PLB	PLB
5 1/2	14	139.7	6.20	PS	-	-	-	-	-
	15.5		6.98	PSLBE	-	-	-	-	-
	17		7.72	PSLBE	PLBE	PLBE	PLBE	PLBE	-
	20		9.17	-	PLBE	PLBE	PLBE	PLBE	-
	23		10.54	-	PLBE	PLBE	PLBE	PLBE	PLBE
	26.8		12.7	-	-	-	P	-	-
	29.7		14.27	-	-	-	P	-	-
	32.6		15.88	-	-	-	P	-	-
	35.3		17.45	-	-	-	P	-	-
	38		19.05	-	-	-	P	-	-
	40.5		20.62	-	-	-	P	-	-
	43.1		64.14	-	-	-	P	-	-
6 5/8	20	168.28	7.32	PSLB
	24		8.94	PSLBE	PLBE	PLBE	PLBE	PLBE	-
	28		10.59	-	PLBE	PLBE	PLBE	PLBE	-
	32		12.06	-	PLBE	PLBE	PLBE	PLBE	PLBE
7	20	177.8	6.91	PS
	23		8.05	PSLBE	PLBE	PLBE	PLBE	-	-
	26		9.19	PSLBE	PLBE	PLBE	PLBE	PLBE	-
	29		10.6		PLBE	PLBE	PLBE	PLBE
	32		11.51		PLBE	PLBE	PLBE	PLBE
	35		12.65		PLBE	PLBE	PLBE	PLBE	PLBE
	38		13.72		PLBE	PLBE	PLBE	PLBE	PLBE
7 5/8	26.4	193.67	8.33	PSLBE	PLBE	PLBE	PLBE	-	-
	29.7		9.52	-	PLBE	PLBE	PLBE	PLBE	-
	33.7		10.92	-	PLBE	PLBE	PLBE	PLBE	-
	39		12.7	-	PLBE	PLBE	PLBE	PLBE	PLBE
	42.8		14.27	-	PLB	PLB	PLB	PLB	PLB
	45.3		15.11	-	PLB	PLB	PLB	PLB	PLB
	47.1		15.88	-	PLB	PLB	PLB	PLB	PLB
8 5/8	24	219.08	6.71	PS	-	-	-	-	-
	28		7.72	-	-	-	-	-	-
	32		8.94	PSLBE	-	-	-	-	-
	36		10.16	PSLBE	PLBE	PLBE	PLBE	-	-
	40		11.43	-	PLBE	PLBE	PLBE	PLBE	-
	44		12.70	-	PLBE	PLBE	PLBE	PLBE	-
	49		14.15	-	PLBE	PLBE	PLBE	PLBE	PLBE
9 5/8	36	244.48	8.94	PSLB	-	-	-	-	-
	40		10.03	PSLBE	PLBE	PLBE	PLBE	-	-
	43.5		11.05	-	PLBE	PLBE	PLBE	PLBE
	47		11.99	-	PLBE	PLBE	PLBE	PLBE	PLBE
	53.5		13.84	-	PLBE	PLBE	PLBE	PLBE	PLBE
	58.4		15.11	-	PLB	PLB	PLB	PLB	PLB
10 3/4	40.5	273.05	8.89	PSB	-	-	-	-	-
	45.5		10.16	PSBE	-	-	-	-	-
	51		11.43	PSBE	PSBE	PSBE	PSBE	PSBE	-
	55		12.57	-	PSBE	PSBE	PSBE	PSBE	-
	60.7		13.84	-	-	-	PSBE	PSBE	PSBE
	65.7		15.11	-	-	-	PSB	PSB	PSB
113/4	47	298.45	9.53	PSB	-	-	-	-	-
	54		11.05	PSB	-	-	-	-	-
	60		12.42	PSB	PSB	PSB	PSB	PSB	PSB
13 3/8	48	339.72	8.38	-	-	-	-	-	-
	54.5		9.65	PSB	-	-	-	-	-
	61		10.92	PSB	-	-	-	-
	68		12.19	PSB	PSB	PSB	PSB	PSB	-
	72		13.06	-	PSB	PSB	PSB	PSB	PSB
16	75	406	11.13	PSB	-	-	-	-	-
	84		12.57	PSB	-	-	-	-	-
	109		16.66	P	P	P	-	P	P
20	94	508	11.13	PSLB	-	-	-	-	-
30	96	762	16.13	PSLB	-	-	-	-	-
P-Plain end; S-Short round thread; L-Long round thread; B-Buttress thread; E-Extreme line;

Mechanical Properties:

Steel grade	Type	Yield Strength Mpa		Tensile Strength (min) Mpa	Hardness
Steel grade	Type	min	max	Tensile Strength (min) Mpa	HRC	HBW
J55	-	379	552	517	-	-
K55	-	379	552	655	-	-
N80	1	552	758	689	-	-
N80	Q	552	758	689	-	-
L80	1	552	655	655	23	241
	9Cr	552	655	655	23	241
	13Cr	552	655	655	23	241
C90		621	724	689	25.4	255
C95	-	655	758	724	-	-
T95		655	758	724	25.4	255
P110	-	758	965	862	-	-
Q125	All	862	1034	931	-	-