TIG Welders

Tungsten Inert Gas (TIG) welding, also known as Gas Tungsten Arc Welding (GTAW), is an arc welding process that produces the weld via a non consumable tungsten electrode. TIG welding must be carried out using a constant current power source (either DC or AC), which is essential for avoiding excessively high currents being drawn when the electrode is short circuited onto the workpiece surface. This could happen either deliberately during arc starting or inadvertently during welding. TIG welders are ideal for joining metals like stainless steel, aluminium, nickel & copper alloys, cobalt and titanium. These welders are used for producing spatter free weld seams.
Raptor Supplies offer a broad range of TIG welders from brands like American Weldquip, Hobart, Lincoln Electric, Miller Electric & Tweco. Miller Electric TIG welders come with a power source, an external water cooler with coolant, running gear, a water-cooled TIG torch, a TIG consumables kit, a working cable with a clamp, a flow gauge / regulator, a gas hose, and either a wired or wireless foot control. The lightweight design of these TIG welders offers portability for moving from one workstation to another. They also have digital meters for displaying actual voltage & current ratings and adaptive hot start for providing arc strikes without sticking. Lincoln Electric TIG welders are equipped with an AC Auto Balance feature that allows the unit to automatically adjust for the optimal mix of cleaning and penetration. The operator simply has to select polarity, process and desired amperage to begin welding. Choose from a wide range of TIG welders, available in one & three phase variants on Raptor Supplies.

The most important applications for TIG welders are pipeline and pipe welding. TIG welders are also used in the aviation & aerospace industries for welding particularly thin materials or special materials such as titanium. They are suitable for both manual and mechanised welding.

While using TIG welders, the required current is supplied via a tungsten electrode, which is temperature resistant and does not melt. This electrode emits an arc that heats up and liquifies the material. There is a nozzle for shielding gas around the electrode. This protects the heated material from chemical reactions with ambient air. Noble gases such as argon, helium or mixtures thereof are used for this purpose. The inert (i.e. non reactive) gases prevent chemical reactions with the liquid weld pool and the heated material. This ensures high quality weld seams. As the tungsten electrode does not melt, the filler material is fed in by hand or in mechansed form by an external wire feeder.

Lincoln Electric AC / DC TIG Welders:

• These TIG welders use a non consumable tungsten electrode for producing an arc on the workpiece.
• They have an adjustable AC Auto Balance feature which increases or decreases the cleaning action.
• They also enable the TIG pulser to minimise material distortions caused by excessive heat output.

Miller Electric TIG Welders:

• These welding machines feature a compact & lightweight design for job-site portability & ease-of-operation.
• They have digital meters for displaying actual voltage & current ratings and adaptive hot start for providing arc strikes without sticking.
• Selected models come equipped with Squarewave technology for delivering arc stability while preventing arc rectification & eliminating tungsten erosion.

Tweco TIG Welders:

• These units have AC Frequency preset that sets the frequency of the AC square wave and Wave Balance feature that sets the penetration to cleaning ratio when welding on aluminium.
• They feature AC / DC TIG mode selection for aluminium and ferrous alloys, stainless & mild steel, and chrome moly.
• The Lift TIG Start mechanism provides optimised TIG arc starting without the use of high frequency.
• Pre flow and post flow presets control shielding gas before and after the weld.
• These welders are equipped with a Hot Start feature that ensures good arc starting when stick welding.

Hobart TIG Welders:

• These 230V AC / DC TIG welders feature a unique, single knob control for quick and easy set-up & use.
• They have a lightweight, inverter based design that includes foot control.

We offer TIG welders that adhere to ISO 9001:2015, AWS and OSHA standards.