API 5CT K55 Seamless Casing pipe

Classification :

API 5CT is standard technical specifications for steel casing
and tubing pipes used for oil wells in petroleum and natural gas industries.
In the oil boring, K55 API 5CT packaging or tubing is a generally regular sort.

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Seamless Steel Pipe

Product introduction

API 5CT K55 Casing Tubing serves to transport both crude oil and natural gas from oil and gas layer to the surface pipeline after drilling is completed. It is able to bear the pressure produced by the exploitation process. After the outer surface is coated with a protective layer, the tubing is marked in accordance with the API 5CT standard and strapped with metal belt.

Our oilfield tubing & API 5CT K55 Casing Tubing can be widely applicable to petroleum, construction, shipbuilding, smelting, aviation, electric power, food, paper, chemical industry, medical equipment, boilers, heat exchangers, metallurgy and so on.

Specfications

API 5CT K55 Seamless Casing pipe
Available Sizes	2 3/8″, 2 7/8″ and 3 ½” Outer Diameter
Grades	J55, J55-FBNAU, N80, L80, P110
Tubing	1 1/4 “ – 2 1/16” Nom.
Standards	API SPEC 5CT
Model in Common Use	2-3/8", 2-7/8", 3-1/2", 4", 4-1/2"
Length Range	R1(6.10-7.32m), R2(8.53-9.75m), R3(11.58-12.8m)
Steel Grade (Casing Grades, Tubing Grades)	J55, K55, N80-1, N80-Q, L80, P110
Type of Screw Thread	Non upset threaded end(NUE), External upset threaded end(EUE)
Specialties	Coating to customer specifications External upset Couplings – EUE, AB Modified, turned down, special clearance couplings Pup Joints Heat treating Hydrostatic Testing Drifting (Full-length, or just ends) Full third-party inspection capabilities (EMI, SEA, and Weld Line) Threading
End Finishing	External Upset Ends (EUE), Flush Joint, PH6 (and equivalent connections), Integral Joint (IJ)

Technical data

Chemical Composition

Grade	Type	C		Mn		Mo		Cr		Ni max.	Cu max.	P max.	S max.	Si max.
		min.	max.	min.	max.	min.	max.	min.	max.
K55	-	-	-	-	-	-	-	-	-	-	-	0.03	0.03	-

Mechanical Properties

API 5CT Casing Standard	Type	API 5CT Casing Tensile Strength MPa	API 5CT Casing Yield Strength MPa	API 5CT Casing Hardness Max.
API SPEC 5CT	K55	≥517	≥655	---

Tensile & Hardness Requirement

Grade	Type	Total elongation under load %	Yield strength MPa		Tensile strength min. MPa	Hardness a max.		Specified wall thickness mm	Allowable hardness variation b HRC
			min.	max .		HRC	HBW
K55	-	0.5	379	552	655	-	-	-	-

K55 Casing pipe Dimensions

Pipe Casing Sizes, Oilfield Casing Sizes & Casing Drift Sizes
Outer Diameter (Casing Pipe Sizes)	4 1/2"-20", (114.3-508mm)
Standard Casing Sizes	4 1/2"-20", (114.3-508mm)
Thread Type	Buttress thread casing, Long round thread casing, Short round thread casing
Function	It can protect the tubing pipe.

warehouse storage

The annual output of the factory is 400,000 tons, and the current inventory is more than 100,000 tons, which can greatly save the purchasing time of customers and ensure the production cycle and product quality of customers. We are a quality partner for domestic and foreign customers. At present, there are 14 steel production lines for processing, bending, coating, heat treatment, cutting, drilling, chamfering, conditioning, surface treatment and 13 sets of processing equipment.

Packing and shipping

Our main products are: carbon steel plate, carbon steel pipe, carbon steel coil, stainless steel plate, stainless steel coil, stainless steel profile, galvanized plate, galvanized coil, color coated steel coil, ppgi/ppgl and a wide range of high quality steel products.

Customer visit

Li Cheng (Shandong) Metal Materials Co., LTD. has the right to import and export, and its products are exported to more than 20 countries in Asia, Africa, Europe, North America and other regions. Complete processing equipment, perfect quality assurance system, well received by customers.We are willing to first-class technology, first-class equipment, first-class service wholeheartedly and friends from all walks of life sincere cooperation!

Cooperation Case

Applicable to construction, petroleum, chemical, electric power, metallurgy, urban gas, heat pipe network, Bridges, railways, vehicles, ships and other industrial fields and construction, infrastructure and other engineering fields. Complete testing equipment, strong technical force, can implement GB, ASTM, JIS, DIN and other standards.

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Seamless Steel Pipe