• QT-800

    QT-800 answers the need for higher yield strength, higher tensile strength coiled tubing. QT-800 offers increased axial load, cycle life and reduced ovality growth required for the more demanding applications than the QT-700, while still performing well in sour service.

    Please scroll down to view available string designs, sizes and mechanical properties for QT-800.


    Available Strings

    • Straight wall
    • Straight wall Flash-Free
    • String with an electric wireline or capillary tube installed



      QT-800 is manufactured from high strength low alloy steel (HSLAS) with alloying additions to provide resistance to atmospheric corrosion. The chemical composition of QT-800 meets the specification requirements of API 5ST CT-80. 

      Outside Diameter0.750” - 3.500” (19.1 mm - 88.9 mm)
      Wall Thickness0.087” - 0.250” (2.2 mm - 6.35 mm)
      Minimum Yield Strength80,000 psi (552 MPa)
      Minimum Tensile Strength90,000 psi (621 MPa)
      Maximum Hardness22 HRC

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