API 5CT K55 oil casing pipe

API 5CT K55 oil casing pipe

Product Details

Products : API 5CT Casing Tube and Tubing BTC STC LTC VAM Connection for Oil well Petroleum Special Casing


API 5CT K55 oil casing pipe

Product Details

Products : API 5CT Casing Tube and Tubing BTC STC LTC VAM Connection for Oil well Petroleum Special Casing

Product Description:                                     

API 5CT J55 Oil Tubing

Usage :

Tube for vonveying gas, water and oil in both and natural gas industries etc .

Quality standard :

API 5CT Casing and Tubing

BS EN ISO 11960 ,NF M87-207 , JIS G3439 , IS:4270

Steel Grade :

H-40 ,J-55 ,K-55,N-80,C-75,L-80,C-90,T-95 ,Q-125

Process : ERW and seamless

Size :

Outside diameter : Casing pipe : OD 4/1-2″ -20 ” (114.3mm-508mm)

Tubing : OD2-3/8″-4-1/2″ (60.3mm-114.3mm)

Wall thickness : 0.205″-0.635″

Length : R1 Casing pipe: 4.88 ~ 7.62m, R2 Casing pipe : 7.62 ~ 10.36m, R3 Casing Pipe : 10.36m to longer.

End : Bevel end , square cut and pipe protection cap specially for casing and tubing .

Surface : Corrosion proofing water based paint .API Oil Tubing



Package : Steel bundle ,Protector on both end .hexagonal bundles of max. 2000kgs with several steel strips , two tags on each bundle , wrapped in waterproof paper , PVC sleeve and sackcloth with several steel strips . Casing and Tubing

Heat treatment : Normalized , Quencher+Temper

Test : Chemical Component Analysis , Mechanical Properties (Ultimate tensile strenth ,Yield strenth ,Elongation )

Technical Properties ( Flattening test , flaring test , bending test , hardness test , blow test , impact test etc )

Exterior size inspection , Nondestructive test ( Ultrasonic flaw detector , eddy curent flaw detector ) Hydrostatic test .

Mill Test Certificate : EN10204/3.1B and EN10204/3.2 Certificat .

Third Party Inspection : SGS , BV ,LLoyds etc


Produce Equipment:



Why Choose Us:

1: 120 KM from our factory to Tianjin Seaport, Low cost for transport.

2: Professional before-sales sevice and export experiences .

3: Advanced equipment and professional technology

4: Produce Scope almost have all kinds of steel pipe, One-Stop Purchase.

5: Best quality with competitive price .

6: Thoughtfull after -sales service

7: 30,000 Tons stock pipe for normal size ,Shortest delivery time.



1: Q: What kind of connection of the tubing and casing pipe do you have ?

A : Stabdard Coupling ; Special Space Coupling ;Special Bevellde Coupling ;API Improved Seal-Ring Coupling(SR13) ;Combination Coupling or Special Diameter Coupling ; Pup Joint or Connector:All Size,thread or their combination of tubing and casing are supplied.

2: Q:What’s the Dimensions and Tolerances of the oil tubing and casing ?

A: Please follow the standard as below form :

3: Q : How long for the guarantee period ?

A : Guarantee period can delay to 30 days after clients recieved the pipe in the destination port .


Latest News:

Caing pipe is large diameter pipe that serves as the structural retainer for the walls of oil and gas wells , or well bore . It is inserted into a well bore and cemented in place to protect both subsurface formations and the well bore from collapsing and to allow drilling fluid to circulate and extraction to tak place . Steel casing pipes have smooth wall & minimum yield strength of 35000 psi .

Tubing is the pipe used for the transportation of crude oil and natural gas from an oil or gas layer to the surface after drilling is complete . It is made to withstand the pressure generated from the extraction process . Tubing is manufactured in the same way as casing ,except that an additional process know as “upsetting ” is applied to thicken the pipes .


1 Q: Are you trading company or manufacturer ?
   A: We are a leading steel pipe manufacturer and exporter in China.
Welcome to our factory at any time. And we will arrange professional team to follow up your case.
2.Q: How long is your delivery time?
   A: Generally it is 25-40 days, or according to order quantity.
 3.Q: How can you control the quality?
   A:(1).Advanced manufacturing art, comprehensive inspection systerm and strict process control has ensured the reliability and stability of the product quality.
(2).What’s more, we’ve got quite a lot authority certificates, for example, CE, ISO9001, API.
(3).Third party inspections are always welcomed. Like BV, SGS etc.
4.Q: May I customize the steel pipe?
   A: Sure you can, our factory can produce according to your requirement, just please send us your CAD or design drawing.

5.Q: Can you supply other steel products?
   A: Yes. All kinds of steel pipes.
(1)SSAW(Spiral steel pipe)
(2)LSAW(Longitudinal submerged arc steel pipe)
(3)Seamless steel tube
(4)Cold rolled precision steel pipe
(5)ERW(ERW straight seam steel pipe)
(6)Square & Rectangular Tube
(7)Coating pipe



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