Precision, non-consumable electrode welding that delivers the highest-quality, most corrosion-resistant joints in our welding portfolio — for thin-wall pipe, tubing, and exotic alloys.
Gas Tungsten Arc Welding uses a non-consumable tungsten electrode, a constant-current power source, and a separate filler material to produce the joint. Because the electrode itself is never consumed, the welder maintains precise control over heat input and puddle formation — making GTAW the slowest but most exacting process in our welding capability.
That precision translates directly into weld quality: GTAW joints exhibit higher resistance to corrosion and cracking than GMAW or SMAW welds, driven by tightly controlled flux and filler management. We run GTAW both manually and on automated orbital welding heads, depending on joint access and repeatability requirements.
A slower, more controlled arc process that trades speed for weld quality.
Base metal is cleaned and the tungsten electrode is ground to the geometry required for the joint.
The arc is struck using high-frequency start or lift-arc technique, without touching the electrode to the work.
The tungsten electrode sustains a stable arc that melts the base metal without itself being consumed.
Filler rod is fed manually or via automated wire feed directly into the leading edge of the puddle.
Inert argon shielding protects the puddle through arc travel and solidification.
Precision hardware matched to a precision process.
Constant-current DC or AC power source with precise amperage control.
Non-consumable electrodes ground to the joint's required geometry.
Shapes the shielding gas flow for stable, turbulence-free coverage.
Real-time amperage adjustment during welding for puddle control.
Automated tube and pipe welding for consistent, repeatable root passes.
Automated filler feed for mechanized and orbital applications.
Inert gas supply and flow control protecting the weld puddle.
High-amperage torch cooling for extended-duration welding.
Precision root and fill passes on thin-wall pipe and tubing runs.
Corrosion-resistant joints for marine equipment and chemical processing vessels.
GTAW root passes ahead of fill and cap passes by other processes on code-critical piping.