OCTG, Tubing in API 5CT Grade J55/K55, N80, C90, C95, P110, Ends EUE & Preimium ends

3 125

Oil country tubular goods are pipes used for onshore and offshore oil & gas upstream operations (extract oil and gas from the wellbore). OCTG pipes may be classified into three main families: drill pipes (to perforate the soil and reach the reserve), casing pipes (to consolidate the well and prepare it for the actual extraction), and tubing pipes (to extract the product from the ground to the surface). API 5CT is the reference specification for OCTG pipes.
Casing pipes are used to stabilize the wellbore. A casing pipe is subject to axial tensions and to internal pressures generated by the pumped oil or gas, by their heavyweight and the external pressures coming from the surrounding rocks
Tubing pipes are tubular goods through which the oil or gas is transported from the wellbore to the surface. Tubing segments are generally around 30′ long with a threaded connection on each end (standard or premium connections are available)
Drill pipes are heavyweight seamless tubular that rotates the drill bit and circulates the drilling fluid. Pipe segments of 30′ are coupled with tool joints. Drill pipe is subject to high torque by drilling, axial tension by their weight, and internal pressure due to the purging of the drilling fluid. Additionally, alternating bending loads due to non-vertical or deflected drilling may be superimposed on these basic loading patterns

API 5CT N80-1
API 5CT P110
API 5CT Q125
Ends Type of API 5CT tubing
NU Tubing pipe
EUE Tubing pipe
Premium Ends in API 5CT Tubing
API 5CT OCTG tubing pipe with below range of Sizes
Tubing range of Sizes: 1.05”, 1.315”, 1.66”, 1.9”, 2 3/8”, 3 1/2” and 4 1/2”
Ends Type: BTC, UN, EUE, Premium ends that could completely replace the tubing premium connection of Vam, Tenaris, Hunting, TSH etc.
Length of the Tubing in API 5CT Spec: R2, R3

  • Model NO.: API 5CT Casing Pipe & Tubing Pipe (J55/ K55/ N80/ L80/ P110/ C95)

  • Diameter: 60.3mm-508mm

  • Cross-Section Shape: API-5ct

  • Standard: API

  • Medium: Gas

  • Connection Type: Thread

  • Specification: 2-3/8"to 20"

  • HS Code: 7304290000


Related post


  1. DIN2391 St52 precision pipe
    DIN2391 St52 precision pipe 1333677595 -  Reply / Edit

    DIN2391 St52 precision pipe,Standard: DIN2391 2Steel Grade:St52 3MOQ:1 TON 4Size:OD:20mm WT:2mm 5delivery time:20~40days.

  1. galvanized steel water pipe
    galvanized steel water pipe 1335926341 -  Reply / Edit

    galvanized steel water pipe,hot-dipped galvanized pipe,cold-dipped galvanized pipe. standard of ASTM / ASME, API, DIN, JIS .

  1. DIN ST45.8 Boiler steel pipe
    DIN ST45.8 Boiler steel pipe 1354802426 -  Reply / Edit

    DIN ST45.8 Boiler steel pipe,Standards DIN17175 ST45.8 ,DIN1629/3,ASTM,DIN,GB,JIS Grades ST52/ST52.4,16Mn,A210-C,A106B,A53B .

Latest Comments

  • p11 alloy steel pipe
    p11 alloy steel pipe

    Thebiggest advantage ofp11alloy steel pipeis that it can be 100% recycled. It conforms to the national strategy of environmental protection, energy saving and resource conservation. The national policy encourages the expansion of high press.

  • How long is the life of a spiral steel pipe ?
    How long is the life of a spiral steel pipe ?

    Spiral steel pipe itself has no life limit, and the service life is mainly related to the operating environment and production process. Spiral steel pipe operating environment is relatively poor In order to extend the service life, the oute.

Get in touch

Our company covers an area of 80, 000 m2 with a total assets of 90 million Yuan. There are 360 staff members including 80 technicians in our company. .

We also establish an effective complete quality control system. In 2003, our company obtained the certificate of ISO9001 Quality System Authentification!