AMS 4941-Welded Tubing

Titanium Alloy, Tubing, Seamless, Commercially Pure, Grade 2, Annealed

AMS 4941 is aSAE Aerospace Material SpecificationcoveringGrade 2 commercially pure (CP) titanium tubing, supplied in theannealed condition.

It applies toseamless round tubingused inaerospace and industrial applicationswheremoderate strength,excellent corrosion resistance, andgood weldabilityare required.

Key Features

Chemical Composition (Typical Limits)

These values ensure compliance with Grade 2 purity as defined by AMS and ASTM standards.

Mechanical Properties (Minimum Values)

In annealed condition at room temperature:

Dimensional Requirements

OD range: Commonly 6 mm-114 mm (0.25"-4.5")

Wall thickness: As specified, with tight tolerances (typically per AMS-2241 or ASTM B861)

Straightness, roundness, and eccentricity are tightly controlled

Tubing is pressure-tested, visually inspected, and ultrasonically tested (when specified)

Thermal & Physical Properties

Typical Applications

AMS 4941 Grade 2 titanium tubing is widely used in:

Aerospace: Hydraulic and pneumatic lines, fuel systems

Chemical processing: Heat exchangers, reactors

Marine: Condensers, piping exposed to seawater

Medical and pharmaceutical: Instrument tubing (non-implant)

Desalination: Corrosion-resistant water transport tubes

Delivery Condition

Supplied in annealed, stress-relieved condition

Mill test reports typically include:

Chemical composition

Mechanical properties

Dimensional inspection

Hydrostatic or pressure test results (if applicable)

Related Specifications

AMS 4942        CP Titanium Grade 3 tubing

AMS 4943        CP Titanium Grade 4 tubing

ASTM B338     Titanium seamless/welded tubing for heat exchangers

ASTM B861     Seamless titanium pipe for general use