Name: API 5CT N80 casing pipe for oil well drilling
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API 5CT N80 casing pipe for oil well drilling

API 5CT N80 casing pipe for oil well drilling is our superior product, we are favored by customers with high quality, competitive price and excellent service

Phone : +86 15650071039

whatsapp : +86 15650071039

Email : sales07@sdtzmetal.com

Product Description

API 5CT N80 casing pipe covers N80-1 and N80Q types. N80-1 and N80Q steel have same chemical composition and mechanical attributes, and their difference lies in the heat treatment. N80-1 steel is normalized and tempered, while N80Q steel is quenched and tempered. So N80Q steel has higher collapsing strength and internal pressure strength than N80-1 steel. When API 5CT N80 casing pipe is selected, the designer should clearly show N80-1 or N80Q.

API 5CT N80 casing pipe chemical composition:

Grade	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
N80	0.34-0.38	0.20-0.35	1.45-1.70	≤0.020	≤0.015	≤0.15	/	/	/	0.11-0.16

API 5CT N80 casing pipe mechanical properties:

Grade	Type	Total elongation under load %	Yield strength MPa		Tensile strength min. MPa
Grade	Type	Total elongation under load %	min.	max .
N80	1	0.5	552	758	689
N80	Q	0.5	552	758	689

API 5CT N80 casing pipe specification:
Thread type: SC (Short round thread), LC (Long round thread), BC (Buttress thread)
Length: R1 (4.88-7.62m), R2 (7.62-10.36m), R3 (10.36-14.63m)

Outer Diameter		Wall Thickness	Weight	Threaded	Length
in	mm	kg/m	lb/ft	Threaded	Length
4 1/2″	114.3	14.14-22.47	9.50-11.50	LTC/STC/BTC	R1/R2/R3
5″	127	17.11-35.86	11.50-24.10	LTC/STC/BTC	R1/R2/R3
5 1/2″	139.7	20.83-34.23	14.00-23.00	LTC/STC/BTC	R1/R2/R3
6 5/8″	168.28	29.76-35.72	20.00-24.00	LTC/STC/BTC	R1/R2/R3
7″	177.8	25.30-56.55	17.00-38.00	LTC/STC/BTC	R1/R2/R3
7 5/8″	193.68	35.72-63.69	24.00-42.80	LTC/STC/BTC	R1/R2/R3
8 5/8″	219.08	35.72-72.92	24.00-49.00	LTC/STC/BTC	R1/R2/R3
9 5/8″	244.48	48.07-86.91	32.30-58.40	LTC/STC/BTC	R1/R2/R3
10 3/4″	273.05	48.73-97.77	32.75-65.70	LTC/STC/BTC	R1/R2/R3
11 3/4″	298.45	62.50-89.29	42.00-60.00	LTC/STC/BTC	R1/R2/R3
13 3/8″	339.72	71.43-107.15	48.00-72.00	LTC/STC/BTC	R1/R2/R3

API 5CT N80 casing pipe has higher mechanical properties than J55 casing pipe and K55 casing pipe. With deeper downhole depth than J55 casing pipe and K55 casing pipe, API 5CT N80 casing pipe can be applied for the exploitation of middle-level oil and gas. API 5CT N80 casing pipe is broadly applied in natural gas as well as coal bed methane extraction, and geothermal wells.

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FAQ

Q1:What product information must I provide before making a purchase?

Please provide the grade, width, thickness, and surfacetreatment requirements, as well as the quantities you require.

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Q2:What shipping ports are there?
We normally ship from Shanghai,Tianjin, Qingdao, and Ningbo ports

Q3:What are your payment terms?
30% T/T in advance and 70% balance before shipment or based onBL copy or LC at sight.

Q4:What about product pricing information?
Prices vary due to changes in raw material prices on a regular basis.

Q5:Is it possible to send samples?
Of course, we offer free samples and express shipping to customers all over the world.

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