Casing / Tubing

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We can supply tubing & casing manufactured according to API Specification 5CT from mills authorised to use the API Monogram on API Specification 5CT Products.
We offer the standard API range of round thread (STC and LTC) and Buttress Thread casing and API NUE and EUE tubings.
We can also supply tubing and casing with premium connection (metal to metal seal).

KazDuCo provides a complete range of casing/tubing with and without Premium Threads. Tubulars are supplied direct from API-certified mills or from stock at our partners worldwide.

    OCTG (Casing & Tubing)

  • API 5CT Latest Edition
  • OCTG from 1.660" to 30'' + respective couplings, crossovers and pup joints
  • API Grades from H40 to Q125 and 13% CR
  • ALL API Standard Weights
  • API and Premium Joint Connections
  • Special SS and HC grades
  • CRA Grades

Section: Seamless & Welded

Standards: API Specification 5CT latest edition at time of manufacture (PSL-1, PSL-2, PSL, 3) ISO 11960:2004, Petroleum and natural gas industries-Steel pipes for use as casing or tubing for wells
Sizes: Outside Diameter: 1.660" - 30"
Grades: H40, J55, K55, N80,N80Q, L80, C90, C95, T95, P110, Q125,SS95,SS110, 9%CR, 13%CR

    Connections:

  • STC (short round thread casing)
  • LTC (long round thread casing)
  • BTC (buttress thread casing)
  • XL (extreme-line casing)
  • NUE (non-upset tubing)
  • EUE (external upset tubing)
  • IJ (integral joint tubing)
  • Premium Connections

And almost any premium & gas tight connection

Length: Range 1, Range 2 & Range 3
Protection: External bare and uncoated or externally coated with black/ transparent anti rust Mill varnish Plastic or Metal Pin and Box Protectors. Internal plastic coating or sleeves.
Mill Test Certificates: Issued in accordance with API Specification 5CT Eighth Edition Additional Third Party Inspection can also be performed on request.
A wide range of Casings and Tubing are available from Stock