Best Price API 5CT J55 K55 M65 N80 L80 C95 P110 Casing and Tubing Casing Coupling Stock for OCTG and Water

• After-sales Service: Support
• Warranty: 1 Year
• Type: Seamless
• Technique: Hot Rolled
• Material: Carbon Steel
• Surface Treatment: Black
• Model NO.: API 5CT J55 K55 M65 N80 L80 C95 P110
• Usage: Pipeline Transport, Machinery Industry, Chemical Industry, Mining, Construction & Decoration
• Section Shape: Round
• Product Name: Seamless Steel Pipe
• Standards: ASTM/ASME/DIN/En
• Transport Package: by Sea
• Specification: 10-910mm
• Trademark: Boer King
• Origin: Tianjin China
• HS Code: 730419

Product Description

We do care: 
                   --Good Quality
                       --On-time Delivery
                          --Competitive Price
                             --Efficient After Service 
 

Why you choose us?

1. more than 20 years experiences in steel business

2. good quality

3. competitive price

4. meet your needs via reprocessing

5. excellent service

6. short delivery time

7. long mutual beneficial business cooperation

Product description

API 5CT Casing and Tubing Casing Coupling Stock for OCTG and Water

Our factory manufacture Casing Pipe&Tubing Pipe and Coupling.
According to API SPEC 5CT.
Steel grade: J55/K55/N80/L80/P110/C95
O. D. Range Tubing: From 2-3/8"(60.3mm)to 4"(101.60mm)
Pipe End: EUE/NU
Casing: From 4-1/2"(114.3mm) to 20"(508mm)
Threads: BTC, LTC, STC
Length range: R1, R2, R3
 

DN	O. D.		Weight		W. T.		End Machining Form
							Steel Grade
	in	mm	lb/ft	kg/m	in	mm	H40	J55	L80	N80	C90	P110
								K55			T95
4-1/2	4.500	114.3	9.50	14.14	0.205	5.21	PS	PS	-	-	-	-
			10.50	15.63	0.224	5.69	-	PSB	-	-	-	-
			11.60	17.26	0.250	6.35	-	PSLB	PLB	PLB	PLB	PLB
			13.50	20.09	0.290	7.37	-	-	PLB	PLB	PLB	PLB
			15.10	22.47	0.337	9.56	-	-	-	-	-	PLB
5	5.000	127	11.50	17.11	0.220	5.59	-	PS	-	-	-	-
			13.00	19.35	0.253	6.43	-	PSLB	-	-	-	-
			15.00	22.32	0.296	7.52	-	PSLB	PLB	PLB	PLBE	PLB
			18.00	26.79	0.362	9.19	-	-	PLB	PLB	PLBE	PLB
			21.40	31.85	0.437	11.10	-	-	PLB	PLB	PLB	PLB
			23.20	34.53	0.478	12.14	-	-	-	-	PLB	-
			24.10	35.86	0.500	12.70	-	-	-	-	PLB	-
5-1/2	5.500	139.7	14.00	20.83	0.244	6.20	PS	PS	-	-	-	-
			15.50	23.07	0.275	6.98	-	PSLB	-	-	-	-
			17.00	25.30	0.304	7.72	-	PSLB	PLB	PLB	PLBE	PLB
			20.00	29.76	0.361	9.17	-	-	PLB	PLB	PLBE	PLB
			23.00	34.23	0.415	10.54	-	-	PLB	PLB	PLBE	PLB
			26.80	39.88	0.500	12.70	-	-	-	-	-	-
			29.70	44.20	0.562	14.27	-	-	-	-	-	-
			32.60	48.51	0.625	15.88	-	-	-	-	-	-
			35.30	52.53	0.687	17.45	-	-	-	-	-	-
			38.00	56.55	0.750	19.05	-	-	-	-	-	-
			40.50	60.27	0.812	20.62	-	-	-	-	-	-
			43.10	64.14	0.875	22.22	-	-	-	-	-	-
6-5/8	6.625	168.28	20.00	29.76	0.288	7.32	PS	PSLB	-	-	-	-
			24.00	35.72	0.352	8.94	-	PSLB	PLB	PLB	PLBE	PLB
			28.00	41.67	0.417	10.59	-	-	PLB	PLB	PLBE	PLB
			32.00	47.62	0.475	12.06	-	-	PLB	PLB	PLBE	PLB
7	7.000	177.8	17.00	25.30	0.231	5.87	PS	-	-	-	-	-
			20.00	29.76	0.272	6.91	PS	PS	-	-	-	-
			23.00	34.23	0.317	8.05	-	PSLB	PLB	PLB	PLBE	-
			26.00	38.69	0.362	9.19	-	PSLB	PLB	PLB	PLBE	PLB
			29.00	43.16	0.408	10.36	-	-	PLB	PLB	PLBE	PLB
			32.00	47.62	0.453	11.51	-	-	PLB	PLB	PLBE	PLB
			35.00	52.09	0.498	12.65	-	-	PLB	PLB	PLBE	PLB
			38.00	56.55	0.540	13.72	-	-	PLB	PLB	PLBE	PLB
			42.70	63.54	0.625	15.88	-	-	-	-	-	-
			46.40	69.05	0.687	17.45	-	-	-	-	-	-
			50.10	74.56	0.750	19.05	-	-	-	-	-	-
			53.60	79.77	0.812	20.62	-	-	-	-	-	-
			57.10	84.97	0.875	22.22	-	-	-	-	-	-
7-5/8	7.625	193.68	24.00	35.72	0.300	7.62	PS	-	-	-	-	-
			26.40	39.29	0.328	8.33	-	PSLB	PLB	PLB	PLBE	PLB
			29.70	44.20	0.375	9.52	-	-	PLB	PLB	PLBE	PLB
			33.70	50.15	0.430	10.92	-	-	PLB	PLB	PLBE	PLB
			39.00	58.05	0.500	12.70	-	-	PLB	PLB	PLBE	PLB
			42.80	63.69	0.562	14.27	-	-	PLB	PLB	PLB	PLB
			45.30	67.41	0.595	15.11	-	-	PLB	PLB	PLB	PLB
			47.10	70.09	0.625	15.88	-	-	PLB	PLB	PLB	PLB
			51.20	76.19	0.687	17.45	-	-	-	-	-	-
			55.30	80.30	0.750	19.05	-	-	-	-	-	-
8-5/8	8.625	219.08	24.00	35.72	0.264	6.71	-	PS	-	-	-	-
			28.00	41.62	0.304	7.72	PS	-	-	-	-	-
			32.00	47.62	0.352	8.94	PS	PSLB	-	-	-	-
			36.00	53.57	0.400	10.16	-	PSLB	PLB	PLB	PLBE	PLB
			40.00	59.53	0.450	11.43	-	-	PLB	PLB	PLBE	PLB
			44.00	65.48	0.500	12.70	-	-	PLB	PLB	PLBE	PLB
			49.00	72.92	0.557	14.15	-	-	PLB	PLB	PLBE	PLB
9-5/8	9.625	244.48	32.30	48.07	0.312	7.92	PS	-	-	-	-	-
			36.00	53.57	0.352	8.94	PS	PSLB	-	-	-	-
			40.00	59.53	0.395	10.03	-	PSLB	PLB	PLB	PLBE	-
			43.50	64.73	0.435	11.05	-	-	PLB	PLB	PLBE	PLB
			47.00	69.94	0.472	11.99	-	-	PLB	PLB	PLBE	PLB
			53.50	79.62	0.545	13.84	-	-	PLB	PLB	PLBE	PLB
			58.40	86.91	0.595	15.11	-	-	PLB	PLB	PLB	PLB
			59.40	88.40	0.609	15.47	-	-	-	-	-	-
			64.90	96.58	0.672	17.07	-	-	-	-	-	-
			70.30	104.62	0.734	18.64	-	-	-	-	-	-
			75.60	112.50	0.797	20.24	-	-	-	-	-	-
10-3/4	10.750	273.05	32.75	48.74	0.279	7.09	PS	-	-	-	-	-
			40.50	60.27	0.350	8.89	PS	PSB	-	-	-	-
			15.50	67.71	0.400	10.16	-	PSB	-	-	-	-
			51.00	75.90	0.450	11.43	-	PSB	PSB	PSB	PSBE	PSB
			55.50	82.59	0.495	12.57	-	-	PSB	PSB	PSBE	PSB
			60.70	90.33	0.545	13.84	-	-	-	-	PSBE	PSB
			65.70	97.77	0.595	15.11	-	-	-	-	PSB	PSB
			73.20	108.93	0.672	17.07	-	-	-	-	-	-
			79.20	117.86	0.734	18.64	-	-	-	-	-	-
			85.30	126.94	0.797	20.24	-	-	-	-	-	-
11-3/4	11.750		42.00	62.50	0.333	8.46	PS	-	-	-	-	-
			47.00	69.94	0.375	20.24	-	-	-	-	-	-
			54.00	80.36	0.435	8.46	-	-	-	-	-	-
			60.00	89.29	0.489	9.53	-	-	-	-	-	-
			65.00	96.73	0.534	11.05	-	-	-	-	-	-
			71.00	105.66	0.582	14.42	-	-	-	-	-	-
13-3/8	13.375	339.73	48.00	71.43	0.330	8.38	PS	-	-	-	-	-
			54.50	81.10	0.380	9.65	-	PSB	-	-	-	-
			61.00	90.78	0.430	10.92	-	PSB	-	-	-	-
			68.00	101.19	0.480	12.19	-	PSB	PSB	PSB	PSB	PSB
			72.00	107.15	0.514	13.06	-	-	PSB	PSB	PSB	PSB
16	16.000	406.4	65.00	96.73	0.375	9.53	PS	-	-	-	-	-
			75.00	111.61	0.438	11.13	-	PSB	-	-	-	-
			84.00	125.01	0.495	12.57	-	PSB	-	-	-	-
			109.00	162.21	0.656	16.66	-	P	P	P	-	P
18-5/8	18.625	473.08	87.50	130.21	0.435	11.05	PS	PSB	-	-	-	-
20	20.000	508	94.00	139.89	0.438	11.13	PS L	P SLB	-	-	-	-
			106.50	158.49	0.500	12.70	-	P SLB	-	-	-	-
			133.00	197.93	0.635	16.13	-	P SLB	-	-	-	-
P--Plain;S--Short-thread;L--Long-thread;B--Buttress thread;E--Extreme thread

Chemical compositions of casing pipe

Standard	Grade	Chemical compositions(%)
API SPEC 5CT	J55	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
	K55	0.34~0.39	0.20~0.35	1.25~1.50	≤0.020	≤0.015	≤0.15	≤0.20	≤0.20	/	/
	N80	0.34~0.38	0.20~0.35	1.45~1.70	≤0.020	≤0.015	≤0.15	/	/	/	0.11~0.16
	L80	0.15~0.22	≤1.00	0.25~1.00	≤0.020	≤0.010	12.0~14.0	≤0.20	≤0.20	/	/
	P110	0.26~0.395	0.17~0.37	0.40~0.70	≤0.020	≤0.010	0.80~1.10	≤0.20	≤0.20	0.15~0.25	≤0.08

Mechanical properties of casing pipe

Grade	Type	Total elongation under load (%)	Yield strength (min)	Yield strength (max)	Tensile strength min Mpa	Hardness Max (HRC)	Hardness Max(HBW)
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	-	-
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	724	689	25.4	255
C95	-	0.5	655	758	724	-	-
T95	-	0.5	655	758	724	25.4	255
P110	-	0.6	758	965	862	-	-
Q125	All	0.65	862	1034	931

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Company information 

     Tianjin Boer King Steel is a  professional  trading company and has been in steel industry for more than 15years, specializing in seamless steel pipe,oil casing/drill pipe, galvanized steel pipe, stainless steel pipe,ERW/SSAW/LSAW/ welded pipe.

      also we sale hot and cold rolled steel coils,steel plates,galvanized steel coils, all kinds of profiles like H-beam, Angel bar,C profile etc.

      We have established long term cooperations with several famous steel manufactures all over the world, and we can offer you best quality products with competitive price which will give you an edge over your competitors.

      Besides, we offer best service all the time.We will do our best to satisfy you needs for the products. Our products have been sold in many countries and areas of the world including South America, Iran, Kenya, Israel etc, and our export volume reaches 160,000tons per year.
 
      we execute quality gurantee system ISO 9001,2008 strictly and all certicates and the third party inspection like MTC,API,ABS,ISO9001,SGS BV etc. will be provided as client's requirements.