• QT-16Cr

    QT-16Cr, a stainless steel grade of tubing, offers superior corrosion resistance for permanent installations, especially wet CO2 environments, compared to HO-70.

    Please scroll down to view available string designs, sizes and mechanical properties for QT-16Cr.

    For more information on our QT-16Cr strings, please contact Kevin Elliott (Kevin.Elliott@nov.com).


    Available Strings

    •  Straight wall


    As supplied, QT-16Cr may contain tube-to-tube welds. QT-16Cr is manufactured from a nitrogen-strengthened austenitic stainless steel. The chemical requirements of QT-16Cr parent tubing will meet the chemical requirements of UNS S20400. 

    Outside Diameter1.000” - 2.875” (25.4 mm - 73.025 mm)
    Wall Thickness0.095” - 0.188” (2.4 mm - 4.8 mm)
    Minimum Yield Strength90,000 psi (621 MPa)
    Minimum Tensile Strength110,000 psi (758 MPa)
    Maximum Hardness38 HRC


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