Material: H40 J55 K55 N80 M65 L80 L8013CR C90 C95 T95 P110 Q125 V150
Technique: Seamless/EW
Standard: API 5CT
Out Diameter (OD): 114.3-508mm

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Product Details

Product introduction

Casing is large diameter pipe that is assembled and inserted into a recently drilled section of a borehole and typically
held into place with cement. And we provide various Seamless Casing from 4-1/2’’-20’’ in grade H40, J55, K55,
N80, L80, C95, P110 etc. The Casing length range is R1, R2, R3, with threads of BTC, LTC, STC. According to the strength
of steel casing can be divided into different steel grade, deep well, using different steel grade. In corrosive environment
also requires the casing itself has corrosion resistance. In the complicated geologic condition place also asked the casing
having an anti-collapse performance.

Product Name	API Spec 5CT Casing Pipe
Material	H40 J55 K55 N80 M65 L80 L8013CR C90 C95 T95 P110 Q125 V150
Technique	Seamless/EW
Standard	API 5CT
Out Diameter (OD)	114.3-508mm
Wall Thickness (WT)	5.21-22.22mm
Norminal Weight	9.5-133.0(Ib/ft)
Length	R1 (5.49-6.71m), R2 (8.23-9.14m), R3 (11.58-13.72m) or as customer's requirements
Coupling	BTC, STC, LTC, NUE, EUE, VAM, BU or no thread
Usage	Oil/Gas Drilling

Outer Diameter		Wall Thickness		Thread	Length
in	mm	kg/m	lb/ft
4 1/2"	114.3	14.14-22.47	9.50-15.10	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

16''	406.4	96.73-162.21	65.00-109.00	LTC/STC/BTC	R1/R2/R3

18 5/8''	473.08	130.21	87.50	LTC/STC/BTC	R1/R2/R3

20''	508	139.89-197.93	94.00-133.00	LTC/STC/BTC	R1/R2/R3

Technical data

Chemical Composition

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.

Mechanical Properties

Standard	Type	Tensile Strength MPa	Yield Strength MPa	Hardness Max.
API SPEC 5CT	J55	≥517	379 ~ 552	----
	K55	≥517	≥655	---
	N80	≥689	552 ~ 758	---
	L80(13Cr)	≥655	552 ~ 655	≤241HB
	P110	≥862	758 ~ 965	----

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Shandong Chengshun Metal Materials Co., Ltd. is located in Jinan City, Shandong Province. It is a comprehensive company dealing in high-quality steel products, with a superior geographical location and very convenient transportation. The company has a complete and scientific quality system, and has been recognized by the industry for its integrity, strength and product quality.

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Seamless Steel Pipe