Casing and Tubing

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Steel Pipe for Oil & Gas Drilling and Transporting

Here at Jinghua, as a prominent steel pipe and tube manufacturer, we produce a range of casing and tubing pipes to API standard and in various grades for oil, natural gas and coal bed gas drilling and transporting purposes.

Standards
API SPEC 5CT: Specification for casing and tubing pipes in oil and gas industry

Technical Specifications of the OCTG Casing and Tubing

Code a		Outside diameter /D Kg/m	Weight per unit length (with thread and coupling) /b, Kg/m	Wall thickness /t, mm	End processing method
1	2	Outside diameter /D Kg/m	Weight per unit length (with thread and coupling) /b, Kg/m	Wall thickness /t, mm	H40	J55 K55	M65	L80 C95	N80 Type1,Q
1	2	3	4	5	6	7	8	9	10
4	9.50	114.30	14.14	5.21	PS	PS	PS	-	-
	10.50	114.30	15.63	5.69	-	PSB	PSB	-	-
	11.60	114.30	17.26	6.35	-	PSLB	PLB	PLB	PLB
	13.50	114.30	20.09	7.37	-	-	PLB	PLB	PLB
5	14.00	139.70	20.83	6.20	PS	PS	PS	-	-
	15.50	139.70	23.07	6.98	-	PSLBE	PSLB	-	-
	17.00	139.70	25.30	7.72	-	PSLBE	PLB	PLBE	PLBE
	20.00	139.70	29.76	9.17	-	-	PLB	PLBE	PLBE
	23.00	139.70	34.23	10.54	-	-	PLB	PLBE	PLBE
6	20.00	168.28	29.76	7.32	PS	PSLB	PSLB
	24.00	168.28	35.72	8.94	-	PSLBE	PLB	PLBE	PLBE
	28.00	168.28	41.67	10.59	-	-	PLB	PLBE	PLBE
7	17.00	177.80	25.30	5.87	PS	-	-	-	-
	20.00	177.80	29.76	6.91	PS	PS	PS	-	-
	23.00	177.80	34.23	8.05	-	PSLBE	PLB	PLBE	PLBE
	26.00	177.80	38.69	9.19	-	PSLBE	PLB	PLBE	PLBE
	29.00	177.80	43.16	10.36	-	-	PLB	PLBE	PLBE
	32.00	177.80	47.62	11.51	-	-	PLB	PLBE	PLBE
	35.00	177.80	52.09	12.65	-	-	-	PLBE	PLBE
8	24.00	219.08	35.72	6.71	-	PS	PS	-	-
	28.00	219.08	41.67	7.72	PS	-	PS	-	-
	32.00	219.08	47.62	8.94	PS	PSLBE	PSLB	-	-
	36.00	219.08	53.57	10.16	-	PSLBE	PSLB	PLBE	PLBE
	40.00	219.08	59.53	11.43	-	-	PLB	PLBE	PLBE
	44.00	219.08	65.48	12.70	-	-	-	PLBE	PLBE
9	32.30	244.48	48.07	7.92	PS	-	-	-	-
	36.00	244.48	53.57	8.94	PS	PSLB	PSLB	PLBE	PLBE
	40.00	244.48	59.53	10.03	-	PSLBE	PSLB	PLBE	PLBE
	43.50	244.48	64.73	11.05	-	-	PLB	PLBE	PLBE
	47.00	244.48	69.94	11.99	-	-	PLB	PLBE	PLBE
10	32.75	273.05	48.74	7.09	PS	-	-	-	-
	40.50	273.05	60.27	8.89	PS	PSB	PSB	-	-
	45.50	273.05	67.71	10.16	-	PSBE	PSB	-	-
	51.00	273.05	75.90	11.43	-	PSBE	PSB	PSBE	PSBE
	55.50	273.05	82.59	12.57	-	-	PSB	PSBE	PSBE
13	48.00	339.72	71.43	8.38	PS	-	-	-	-
	54.50	339.72	81.10	9.65	-	PSB	PSB	-	-
	61.00	339.72	90.78	10.92	-	PSB	PSB	-	-
	68.00	339.72	101.19	12.19	-	PSB	PSB	PSB	PSB
	72.00	339.72	107.15	13.06	-	-	-	PSB	PSB
16	65.00	406.40	96.73	9.53	PS	-	-	-	-
	75.00	406.40	111.61	11.13	-	PSB	PSB	-	-
	84.00	406.40	125.01	12.57	-	PSB	PSB	-	-
Standards: API 5CT, ISO11960-2004
P-Plain-End; S- Short round thread; L-Long round thread; B-Buttress thread; E- Extreme-line casing thread
a. Code is provided for reference; b. Stands for the nominal weight per unit length (with thread and coupling), only for reference; c. Martensite chrome steel (L80 9Gr and 13Gr) has different density from carbon steel. So, weight shown in the table is not exactly right for martensite chrome steel. Applicable weight correction coefficient is 0.989.