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N80 high grade API casing pipes from China manufacturer

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N80 high grade API casing pipes from China manufacturer

Large Image : N80 high grade API casing pipes from China manufacturer

Product Details:

Place of Origin:	China
Brand Name:	Huibo
Certification:	API 5CT

Payment & Shipping Terms:

Minimum Order Quantity:	50ons
Price:	CIF, FOB
Packaging Details:	in bundles with steel strips or in bulk
Delivery Time:	10-15days or based on the real order
Payment Terms:	TT/ LC
Supply Ability:	6000tons/month

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Detailed Product Description

The N80 oil and gas API casing pipe contains N80-1 and N80-Q types. These two materials are consistent in the chemical composition and mechanical properties, and are just different in the heat treatment. This type of product is commonly used in the oil drilling process.

As its mechanical properties are higher than J55 and K55 types, it can be applied to some slightly more complicated formations. With deeper down hole depth than J55 and K55 types, it can be used for the exploitation of middle-level oil and gas. Due to the high performance of N80 material, this API casing pipe is extensively used in natural gas and coal bed methane extraction, as well as geothermal wells.

Specifications
1. Outer diameter
4 1/2", 5", 5 1/2", 6 5/8", 7", 7 5/8", 9 5/8", 10 3/4", 13 3/8", 16", 18 5/8", 20"
2. Wall thickness
5.21 - 16.13 mm
3. Thread type
SC(Short round thread), LC(Long round thread), BC(Buttress thread)
4. Length
R1(4.88-7.62m), R2(7.62-10.36m), R3(10.36-14.63m)

Process of manufacture and heat treatment

Group	Grade	Type	Manufacturing process a	Heat treatment	Tempering temperature °C min
1	2	3	4	5	6
1	H40	-	S or EW	-	-
	J55	-	S or EW	- b	-
	K55	-	S or EW	- b	-
	N80	1	S or EW	c	-
	N80	Q	S or EW	Q d	-
	R95	-	S or EW	Q	538
2	M65	-	S or EW	e	-
	L80	1	S or EW	Q	566
	L80	9Cr	S	Q f	593
	L80	13Cr	S	Q f	593
	C90	1	S	Q	621
	T95	1	S	Q	649
	C110	-	S	Q	649
3	P110	-	S or EW g, h	Q	-
4	Q125	1	S or EW h	Q	-
a S = seamless process; EW = electric-welded process. b Full-body, full-length normalized, normalized and tempered or quenched and tempered at the manufacturer's option or as specified on the purchase agreement. c Full-body, full-length heat treatment is mandatory. At the manufacturer's option, the product shall be either normalized or normalized and tempered. d Includes the method of interrupted quenching followed by controlled cooling. e Full-body, full-length heat-treatment is mandatory. At the manufacturer's option, or as specified on the purchase agreement, the product may be normalized, normalized and tempered or quenched and tempered. f Type 9Cr and 13Cr may be air-quenched. g Special chemical requirements for electric-welded P110 pipe are specified in Table C.4 of API Spec. 5CT. h Products shall be heat-treated full-body, full-length. Special requirements unique to electric-welded P110 and Q125 are specified in A.6 SR11 of API Spec. 5CT.

Chemical composition, mass fraction (%)

Group	Grade	Type	C		Mn		Mo		Cr		Ni max.	Cu max.	P max.	S max.	Si max.
Group	Grade	Type	min.	max.	min.	max.	min.	max.	min.	max.	Ni max.	Cu max.	P max.	S max.	Si max.
1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16
1	H40	-	-	-	-	-	-	-	-	-	-	-	0.03	0.03	-
	J55	-	-	-	-	-	-	-	-	-	-	-	0.03	0.03	-
	K55	-	-	-	-	-	-	-	-	-	-	-	0.03	0.03	-
	N80	1	-	-	-	-	-	-	-	-	-	-	0.03	0.03	-
	N80	Q	-	-	-	-	-	-	-	-	-	-	0.03	0.03	-
	R95	-	-	0.45 c	-	1.9	-	-	-	-	-	-	0.03	0.03	0.45
2	M65	-	-	-	-	-	-	-	-	-	-	-	0.03	0.03	-
	L80	1	-	0.43 a	-	1.9	-	-	-	-	0.25	0.35	0.03	0.03	0.45
	L80	9Cr	-	0.15	0.3	0.6	0.9	1.1	8	10	0.5	0.25	0.02	0.01	1
	L80	13Cr	0.15	0.22	0.25	1	-	-	12	14	0.5	0.25	0.02	0.01	1
	C90	1	-	0.35	-	1.2	0.25 b	0.85	-	1.5	0.99	-	0.02	0.01	-
	T95	1	-	0.35	-	1.2	0.25 d	0.85	0.4	1.5	0.99	-	0.02	0.01	-
	C110	-	-	0.35	-	1.2	0.25	1	0.4	1.5	0.99	-	0.02	0.005	-
3	P110	e	-	-	-	-	-	-	-	-	-	-	0.030 e	0.030 e	-
4	Q125	1	-	0.35		1.35	-	0.85	-	1.5	0.99	-	0.02	0.01	-
a The carbon content for L80 may be increased up to 0.50 % maximum if the product is oil-quenched. b The molybdenum content for Grade C90 Type 1 has no minimum tolerance if the wall thickness is less than 17.78 mm. c The carbon content for R95 may be increased up to 0.55 % maximum if the product is oil-quenched. d The molybdenum content for T95 Type 1 may be decreased to 0.15 % minimum if the wall thickness is less than 17.78 mm. e For EW Grade P110, the phosphorus content shall be 0.020 % maximum and the sulfur content 0.010 % maximum. NL = no limit. Elements shown shall be reported in product analysis.

Our company is a specialized N80 oil and gas API casing pipe manufacturer and supplier in China. We offer various types of products such as K55 API 5CT casing /tubing, perforated pipe, tubing coupling, and EUE API tubing.

N80 high grade API casing pipes from China manufacturer 0

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Contact Person: Ms. Melody C.

Tel: +8619331795953

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