Closeup of Conventional Coiled Tubing spool

QT-1100 Coiled Tubing

QT-1100 Coiled Tubing is manufactured from high-strength, low-alloy steel (HSLAS) with alloying additions to provide resistance to atmospheric corrosion. The chemical composition of QT-1100 meets the specification requirements of API 5ST CT110.

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QT-1100 is a high-yield, high-tensile-strength coiled tubing product. It exhibits higher fatigue cycle life at higher pressures than all lower-strength-rated coiled tubing.

For the appropriate sizes, QT-1100 can be routinely ordered as a True-Taper™ or True-Taper XR string; straight-wall, straight-wall flash-free string; or as a string with an electric wireline or capillary tube installed.


QT-1100 Coiled Tubing Mechanical Properties

Outside diameter

1.500 to 3.500 in. (38.1 to 88.9 mm)

Wall thickness

0.087 to 0.203 in. (2.2 to 5.2 mm)

Minimum yield strength

110,000 psi (758 MPa)

Minimum tensile strength

116,000 psi (800 MPa)

Maximum hardness

30 HRC

  • QT-1100 Technical Data Sheet

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