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API 5CT Casing pipe

API5CT is mainly used to transport oil, natural gas, gas, water and other liquids and gases.
API5CT oil casing can be divided into three specifications: R-1, R-2 and R-3 according to the length. The main materials are B, X42, X46, X56, X65, X70, etc. Under extreme high temperature and high pressure environment, oil casing pipes have their own unique natural advantages. API5CT petroleum casing pipes are subject to flattening test, tensile test, impact test, tensile test and other related testing and inspection from raw materials to products before leaving the factory.
API 5CT Casing pipe, API 5CT Casing tube, API 5CT J55 Oil casing pipe, N80 casing pipe
1. Specification range:OD: 114.3 MM -508MM(4 1/2"-20”)
2. Materials: H40, J55, K55, N80-1, N80-Q, L80-1,L80-9Cr, L80-13Cr, P110, Q125 etc
3. Executive standards: API 5CT, GB, ISO11960, GOST
4. Length: R1, R2, R3
5. Testing: NDT etc related rules of API 5CT and 5B
6. Type: seamless pipe

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API 5CT N80 Casing pipe

Seamless casing pipes

Product Details

Casing pipe is used to support the oil, gas wells of steel pipe, in order to ensure the drilling process and the completion of the entire well after the normal operation. Casing according to the use can be divided into: catheter, surface casing, casing technology, and oil casing.

Casing pipe connections

API 5CT is applicable to the following connections which complied with API SPEC 5B:

• SC: Short round thread casing

• LC: Long ound thread casing

• BC: Buttress thread casing

• NU: Non-upset tubing

• EU: External upset tubing

Casing pipe specification

Sizes		OD D mm	Weight kg/m	WT t mm	Type of end
Sizes					H40	J55 K55	M65	L80 C95	N80 1、Q	C90 T95	P110	Q125
1	2				H40	J55 K55	M65	L80 C95	N80 1、Q	C90 T95	P110	Q125
1	2	3	4	5	6	7	8	9	10	11	12	13
4-1/2 4-1/2 4-1/2 4-1/2 4-1/2	9.50 10.50 11.60 13.50 15.10	114.30 114.30 114.30 114.30 114.30	14.14 15.63 17.26 20.09 22.47	5.21 5.69 6.35 7.37 8.56	PS - - - -	PS PSB PSLB - -	PS PSB PLB PLB -	- - PLB PLB -	- - PLB PLB -	- - PLB PLB -	- - PLB PLB PLB	- - - - PLB
5 5 5 5 5 5 5	11.50 13.00 15.00 18.00 21.40 23.20 24.10	127.00 127.00 127.00 127.00 127.00 127.00 127.00	17.11 19.35 22.32 26.79 31.85 34.53 35.86	5.59 6.43 7.52 9.19 11.10 12.14 12.70	- - - - - - -	PS PSLB PSLBE - - - -	PS PSLB PLB PLB PLB - -	- - PLBE PLBE PLB PLB PLB	- - PLBE PLBE PLB PLB PLB	- - PLBE PLBE PLB PLB PLB	- - PLBE PLBE PLB PLB PLB	- - - PLBE PLB PLB PLB
5-1/2 5-1/2 5-1/2 5-1/2 5-1/2 5-1/2 5-1/2 5-1/2 5-1/2 5-1/2 5-1/2 5-1/2	14.00 15.50 17.00 20.00 23.00 26.80 29.70 32.60 35.30 38.00 40.50 43.10	139.70 139.70 139.70 139.70 139.70 139.70 139.70 139.70 139.70 139.70 139.70 139.70	20.83 23.07 25.30 29.76 34.23 39.88 44.20 48.51 52.53 56.55 60.27 64.14	6.20 6.98 7.72 9.17 10.54 12.70 14.27 15.88 17.45 19.05 20.62 22.22	PS - - - - - - - - - - -	PS PSLBE PSLBE - - - - - - - - -	PS PSLB PLB PLB PLB - - - - - - -	- - PLBE PLBE PLBE - - - - - - -	- - PLBE PLBE PLBE - - - - - - -	- - PLBE PLBE PLBE P P P P P P P	- - PLBE PLBE PLBE - - - - - - -	- - - - PLBE - - - - - - -
6-5/8 6-5/8 6-5/8 6-5/8	20.00 24.00 28.00 32.00	168.28 168.28 168.28 168.28	29.76 35.72 41.67 47.62	7.32 8.94 10.59 12.06	PS - - -	PSLB PSLBE - -	PSLB PLB PLB -	- PLBE PLBE PLBE	- PLBE PLBE PLBE	- PLBE PLBE PLBE	- PLBE PLBE PLBE	- - - PLBE
7 7 7 7 7 7 7	17.00 20.00 23.00 26.00 29.00 32.00 35.00	177.80 177.80 177.80 177.80 177.80 177.80 177.80	25.30 29.76 34.23 38.69 43.16 47.62 52.09	5.87 6.91 8.05 9.19 10.36 11.51 12.65	PS PS - - - - -	- PS PSLBE PSLBE - - -	- PS PLB PLB PLB PLB -	- - PLBE PLBE PLBE PLBE PLBE	- - PLBE PLBE PLBE PLBE PLBE	- - PLBE PLBE PLBE PLBE PLBE	- - - PLBE PLBE PLBE PLBE	- - - - - - PLBE
7 7 7 7 7 7	38.00 42.70 46.40 50.10 53.60 57.10	177.80 177.80 177.80 177.80 177.80 177.80	56.55 63.54 69.05 74.56 79.77 84.97	13.72 15.88 17.45 19.05 20.62 22.22	- - - - - -	- - - - - -	- - - - - -	PLBE - - - - -	PLBE - - - - -	PLBE P P P P P	PLBE - - - - -	PLBE - - - - -
7-5/8 7-5/8 7-5/8 7-5/8 7-5/8 7-5/8 7-5/8 7-5/8 7-5/8 7-5/8	24.00 26.40 29.70 33.70 39.00 42.80 45.30 47.10 51.20 55.30	193.68 193.68 193.68 193.68 193.68 193.68 193.68 193.68 193.68 193.68	35.72 39.29 44.20 50.15 58.04 63.69 67.41 70.09 76.19 82.30	7.62 8.33 9.52 10.92 12.70 14.27 15.11 15.88 17.45 19.05	PS - - - - - - - - -	- PSLBE - - - - - - - -	- PSLB PLB PLB - - - - - -	- PLBE PLBE PLBE PLBE PLB PLB PLB - -	- PLBE PLBE PLBE PLBE PLB PLB PLB - -	- PLBE PLBE PLBE PLBE PLB PLB PLB P P	- - PLBE PLBE PLBE PLB PLB PLB - -	- - - - PLBE PLB PLB PLB - -
7-3/4	46.10	196.85	68.60	15.11	-	-	-	P	P	P	P	P
8-5/8 8-5/8 8-5/8 8-5/8 8-5/8 8-5/8 8-5/8	24.00 28.00 32.00 36.00 40.00 44.00 49.00	219.08 219.08 219.08 219.08 219.08 219.08 219.08	35.72 41.67 47.62 53.57 59.53 65.48 72.92	6.71 7.72 8.94 10.16 11.43 12.70 14.15	- PS PS - - - -	PS - PSLBE PSLBE - - -	PS PS PSLB PSLB PLB - -	- - - PLBE PLBE PLBE PLBE	- - - PLBE PLBE PLBE PLBE	- - - PLBE PLBE PLBE PLBE	- - - - PLBE PLBE PLBE	- - - - - PLBE
9-5/8 9-5/8 9-5/8 9-5/8 9-5/8 9-5/8 9-5/8 9-5/8 9-5/8 9-5/8 9-5/8	32.30 36.00 40.00 43.50 47.00 53.50 58.40 59.40 64.90 70.30 75.60	244.48 244.48 244.48 244.48 244.48 244.48 244.48 244.48 244.48 244.48 244.48	48.07 53.57 59.53 64.73 69.94 79.62 86.91 88.40 96.58 104.62 112.50	7.92 8.94 10.03 11.05 11.99 13.84 15.11 15.47 17.07 18.64 20.24	PS PS - - - - - - - - -	- PSLB PSLBE - - - - - - - -	- PSLB PSLB PLB PLB - - - - -	- - PLBE PLBE PLBE PLBE PLB - - - -	- - PLBE PLBE PLBE PLBE PLB - - - -	- - PLBE PLBE PLBE PLBE PLB P P P P	- - - PLBE PLBE PLBE PLB - - - -	- - - - PLBE PLBE PLB - - - -
10-3/4 10-3/4 10-3/4 10-3/4 10-3/4 10-3/4 10-3/4	32.75 40.50 45.50 51.00 55.50 60.70 65.70	273.05 273.05 273.05 273.05 273.05 273.05 273.05	48.74 60.27 67.71 75.90 82.59 90.33 97.77	7.09 8.89 10.16 11.43 12.57 13.84 15.11	PS PS - - - - -	- PSB PSBE PSBE - - -	- PSB PSB PSB PSB - -	- - - PSBE PSBE - -	- - - PSBE PSBE - -	- - - PSBE PSBE PSBE PSB	- - - PSBE PSBE PSBE PSB	- - - - - PSBE PSB
10-3/4 10-3/4 10-3/4	73.20 79.20 85.30	273.05 273.05 273.05	108.93 117.86 126.94	17.07 18.64 20.24	- - -	- - -	- - -	- - -	- - -	P P P	- - -	- - -
11-3/4 11-3/4 11-3/4 11-3/4 11-3/4 11-3/4	42.00 47.00 54.00 60.00 65.00 71.00	298.45 298.45 298.45 298.45 298.45 298.45	62.50 69.94 80.36 89.29 96.73 105.66	8.46 9.53 11.05 12.42 13.56 14.78	PS - - - - -	- PSB PSB PSB - -	- PSB PSB PSB - -	- - - PSB P P	- - - PSB P P	- - - PSB P P	- - - PSB P P	- - - PSB P P
13-3/8 13-3/8 13-3/8 13-3/8 13-3/8	48.00 54.50 61.00 68.00 72.00	339.72 339.72 339.72 339.72 339.72	71.43 81.10 90.78 101.19 107.15	8.38 9.65 10.92 12.19 13.06	PS - - - -	- PSB PSB PSB -	- PSB PSB PSB -	- - - PSB PSB	- - - PSB PSB	- - - PSB PSB	- - - PSB PSB	- - - - PSB
16 16 16 16	65.00 75.00 84.00 109.00	406.40 406.40 406.40 406.40	96.73 111.61 125.01 162.21	9.53 11.13 12.57 16.66	PS - - -	- PSB PSB P	- PSB PSB -	- - - P	- - - P	- - - -	- - - P	- - - P
18-5/8	87.50	473.08	130.21	11.05	PS	PSB	PSB	-	-	-	-	-
20 20 20	94.00 106.50 133.00	508.00 508.00 508.00	139.89 158.49 197.93	11.13 12.70 16.13	PSL - -	PSLB PSLB PSLB	PSLB PSLB -	- - -	- - -	- - -	- - -	- - -
Remarks: P——Plain end;S—Short round thread;L—Long round thread;B—Buttress thread;E—Extreme-line.

Note: other premium connection shall be provided as per customer requirements.

API 5CT Casing pipe

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Cangzhou Shenlong Pipe Manufacturing Co., Ltd. is a company& supplier& manufacturer& factory specialized in the production, processing and sales of various steel pipes, such as seamless pipe, welded pipe, straight seam steel pipe, spiral welded steel pipe, hot galvanized steel pipe, coating steel pipe, stainless steel pipe, and pipe fittings, the production base is located in Cangzhou.

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