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OCTG

OCTG is abbreviated from Oil Country Tubular Goods, which refer to a special kind of steel pipes, mostly are seamless pipes but quite a proportion are welded ones, used for oil and gas exploitation and production.

Baoqin Energy can provide customers with tubing, casing, drilling pipe and others, which include the API series.

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Casing & Tubing
Tubing List
Casing List

S.M.Y.S (psi)	API Steel Grade
Group 1	Group 2	Group 3	Group 4
40,000	H40
55,000	J55,K55
65,000		M65
80,000	N80-1 N80Q	L80-13Cr L80-9Cr L80-13Cr
90,000		C90
95,000		C95 T95
100,000
110,000			P110
125,000			Q125

Sizes， masses，wall thickness，grade and applicable end-finish

Size Desination	Weight Desination		Outside Diameter		Wall Thickness		Type of End Finish
	Weight Desination		Outside Diameter		Wall Thickness		Grade
	T&C Non-Upset	T&C External Upset	in	mm	in	mm	J55	L80-1	N80 1 / Q	C90	P110
1.900	2.75	2.90	1.900	48.3	0.145	3.68	PNU	PNU	PNU	PNU
2 3/8	4.00	-	2.375	60.3	0.167	4.24	PN	PN	PN	PN	-
	4.00	4.70			0.190	4.83	PNU	PNU	PNU	PNU	PNU
	5.80	5.95			0.254	6.45	-	PNU	PNU	PNU	PNU
	6.60	-			0.259	7.49	P	P	P	-	-
	7.35	7.45			0.336	8.53	PU	PU	PU	PU	-
2 7/8	6.40	6.50	2.875	73.02	0.217	5.51	PNU	PNU	PNU	PNU	PNU
	7.80	7.90			0.276	7.01	-	PNU	PNU	PNU	PNU
	8.60	8.70			0.308	7.82	-	PNU	PNU	PNU	PNU
	9.35	9.45			0.340	8.64	-	PU	-	PU	-
	10.50	-			0.392	9.96	-	P	-	P	-
	11.50	-			0.440	11.18	-	P	-	P	-
3 1/2	7.70	-	3.500	88.9	0.216	5.49	PN	PN	PN	PN	-
	9.20	9.30			0.254	6.45	PNU	PNU	PNU	PNU	PNU
	10.20	-			0.289	7.34	PN	PN	PN	PN	-
	12.70	12.95			0.375	9.52	-	PNU	PNU	PNU	PNU
	14.30	-			0.430	10.92	-	P	-	P	-
	15.50	-			0.476	12.09	-	P	-	P	-
	17.00	-			0.530	13.46	-	P	-	P	-
4	9.50	-	4.00	101.6	0.226	5.74	PN	PN	PN	PN	PN

Size Desination	Weight Desination		Outside Diameter		Wall Thickness		Type of End Finish
	Weight Desination		Outside Diameter		Wall Thickness		Grade
	T&C Non-Upset	T&C External Upset	in	mm	in	mm	J55	L80-1	N80 1 / Q	C90	P110
4	-	11.00	4.00	101.6	0.262	6.65	PU	PU	PU	PU	PU
4 1/2	12.60	12.75	4.500	114.3	0.271	6.88	PNU	PNU	PNU	PNU	PNU
	15.20	-			0.337	8.56	-	P	-	P	-
	17.00	-			0.380	9.65	-	P	-	P	-
	18.90	-			0.430	10.92	-	P	-	P	-
	21.50	-			0.500	12.70	-	P	-	P	-
	23.70	-			0.560	14.22	-	P	-	-	-
	26.10	-			0.630	16.00	-	P	-	P	-

Note: P-Plain end N-Non upset threaded and coupled U-External upset threaded and coupled

Sizes， masses，wall thickness，grade and applicable end-finis

Size Desination	Weight Desination	Outside Diameter		Wall Thickness		Type of End Finish
						Grade
		in	mm	in	mm	J55 K55		M65		L80 C95		N80-1 N80-Q		C90 T95		P110
4 1/2	9.50	4.500	114.3	0.205	5.21	PS		PS		-		-		-		-
	10.50			0.224	5.69	PSB		PSB		-		-		-		-
	11.60			0.250	6.35	PSLB		PLB		PLB		PLB		PLB		PLB
	13.50			0.290	7.37	-	PLB		PLB		PLB		PLB		PLB
	15.10			0.337	8.56	-		-		-		-		-		PLB
5	11.50	5.00	127.00	0.220	5.59	PS		PS		-		-		-		-
	13.00			0.253	6.43	PSLB		PSLB		-		-		-		-
	15.00			0.296	7.52	PSLB		PLB		PLB		PLB		PLB		PLB
	18.00			0.362	9.19	-		PLB		PLB		PLB		PLB		PLB
	21.40.			0.437	11.10	-		PLB		PLB		PLB		PLB		PLB
	23.20			0.478	12.14	-		-		PLB		PLB		PLB		PLB
	24.10			0.500	12.70	-		-		PLB		PLB		PLB		PLB
5 1/2	14.00	5.500	139.7	0.244	6.20	PS		PS		-		-		-		-
	15.50			0.275	6.98	PSLB		PSLB		-		-		-		-
	17.00			0.304	7.72	PSLB		PLB		PLB		PLB		PLB		PLB
	20.00			0.361	9.17	-		PLB		PLB		PLB		PLB		PLB
	23.00			0.415	10.54	-		PLB		PLB		PLB		PLB		PLB
6 5/8	20.00	6.625	168.28	0.288	7.32	PSLB		PSLB		-		-		-		-
	24.00			0.352	8.94	PSLB		PLB		PLB		PLB		PLB		PLB

Size Desination	Weight Desination	Outside Diameter		Wall Thickness		Type of End Finish
						Grade
		in	mm	in	mm	J55 K55	M65		L80 C95	N80-1 N80-Q	C90 T95		P110
6 5/8	28.00	6.625	168.28	0.417	10.59	-	PLB		PLB	PLB	PLB		PLB
	32.00			0.475	12.06	-	-		PLB	PLB	PLB		PLB
7	17.00	7.00	177.80	0.231	5.87	-	-		-	-	-	-
	20.00			0.272	6.91	PS	PS		-	-	-		-
	23.00			0.317	8.05	PSLB	PLB		PLB	PLB	PLB		-
	26.00			0.362	9.19	PSLB	PLB		PLB	PLB	PLB		PLB
	29.00			0.408	10.36	-	PLB		PLB	PLB	PLB		PLB
	32.00			0.453	11.51	-	PLB		PLB	PLB	PLB		PLB
	35.00			0.498	12.65	-	-		PLB	PLB	PLB		PLB
	38.00			0.540	13.72	-	-		PLB	PLB	PLB		PLB
7 5/8	24.00	7.625	193.68	0.300	7.62	-	-		-	-	-		-
	26.40			0.328	8.33	PSLB	PSLB		PLB	PLB	PLB		PLB
	29.70			0.375	9.52	-	PLB		PLB	PLB	PLB		PLB
	33.70			0.430	10.92	-	PLB		PLB	PLB	PLB		PLB
	39.00			0.500	12.70	-	-		PLB	PLB	PLB		PLB
	42.80			0.562	14.27	-	-		PLB	PLB	PLB		PLB
	45.30			0.595	15.11	-	-		PLB	PLB	PLB		PLB
	47.10			0.625	15.88	-	-		PLB	PLB	PLB		PLB
8 5/8	24.00	8.625	219.08	0.264	6.71	PS	PS		-	-	-		-
	28.00			0.304	7.72	-	PS		-	-	-		-
	32.00			0.352	8.94	PSLB	PSLB		-	-	-		-
	36.00			0.400	10.16	PSLB	PSLB		PLB	PLB	PLB		PLB
	40.00			0.450	11.43	-	PLB		PLB	PLB	PLB		PLB
	44.00			0.500	12.70	-	-		PLB	PLB	PLB		PLB
	49.00			0.557	14.15	-	-	PLB	PLB	PLB	PLB
9 5/8	32.30	9.625	244.48	0.312	7.92	-	-		-	-	-		-
	36.00			0.352	8.94	PSLB	PSLB		-	-	-		-
	40.00			0.395	10.03	PSLB	PSLB		PLB	PLB	PLB		-
	43.50			0.435	11.05	-	PLB		PLB	PLB	PLB		PLB
	47.00			0.472	11.99	-	PLB		PLB	PLB	PLB		PLB
	53.50			0.545	13.84	-	-		PLB	PLB	PLB		PLB
	58.40			0.595	15.11	-	-		PLB	PLB	PLB		PLB
10 3/4	32.75	10.75	273.05	0.279	7.09	-		-	-	-	-			-	-	-
	40.50			0.350	8.89	PSB	PSB		-	-	-		-
	15.50			0.400	10.16	PSB	PSB		-	-	-		-
	51.00			0.450	11.43	PSB	PSB		PSB	PSB	PSB		PSB
	55.50			0.495	12.57	-	PSB		PSB	PSB	PSB		PSB

Size Desination	Weight Desination	Outside Diameter		Wall Thickness		Type of End Finish
						Grade
		in	mm	in	mm	J55 K55	M65	L80 C95	N80-1 N80-Q	C90 T95	P110
10 3/4	60.70	10.75	273.05	0.545	13.84	-	-	-	-	PSB	PSB
	65.70			0.595	15.11	-	-	-	-	PSB	PSB
11 3/4	42.00	11.75	298.45	0.333	8.46	-	-	-	-	-	-
	47.00			0.375	9.53	PSB	PSB	-	-	-	-
	54.00			0.435	11.05	PSB	PSB	-	-	-	-
	60.00			0.489	12.42	PSB	PSB	PSB	PSB	PSB	PSB
13 3/8	48.00	13.375	339.73	0.330	8.38	-	-	-	-	-	-
	54.50			0.380	9.65	PSB	PSB	-	-	-	-
	61.00			0.430	10.92	PSB	PSB	-	-	-	-
	68.00			0.480	12.19	PSB	PSB	PSB	PSB	PSB	PSB
	72.00			0.514	13.06	-	-	PSB	PSB	PSB	PSB

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