Gas Tungsten Arc Welding (GTAW), commonly referred to as TIG Welding welding, is a high-quality precision welding process ideal for many applications that require clean, strong weld joints.
The TIG welding process produces a stable arc between a non-consumable tungsten electrode and the work piece. The initial weld is protected from airborne contaminants by an inert gas shield blown onto the molten weld pool. Filler wire, if used, is added separately to the weld pool. Request a Quote
Extremely versatile, TIG welding can be used on ferrous or nonferrous metals and in all welding positions to produce mechanically strong and visually appealing welds. The process can be used to weld thick or thin materials, with or without a filler material.
TIG Welding Materials
TIG Welding Advantages
- Produces high-quality, aesthetic welds
- Provides excellent fusion
- Allows for precise arc, weld pool, and weld bead control
- Can be easily applied to thin materials
- Can be used to weld a wide variety of metals and alloys
- Welds can be made with or without filler metal
- Welds can be made in all positions – flat, horizontal, vertical, overhead—perfect for roll cages, inside confined areas, etc.
- Produces welds with low pore fractions, making it ideal for applications where tightness is important
- Provides precise control of welding variables
- Yields low distortion
- No flux, slag, or splatter
TIG Welding Limitations
- Not recommended for applications requiring a high deposition rate
- Less cost-efficient for welding thick metal sections
TIG welding is demanding and skill-intensive, and not without challenges.
Vollrath, a full-service, ISO 9001:2000 certified company, has the experience to deliver the full benefit of its advantages. We help our customers select the correct consumables (tungsten electrode, filler metal, shielding gas) for their welding application and, by optimizing the welding variables, we can overcome the process challenges and eliminate common weld discontinuities.
We complete essential pre-weld preparations and ensure maximum quality by maintaining the cleanliness of every operation, removing lubricants from the equipment and welding materials to prevent weld porosity and the decreased weld strength that can result from contamination. With our expert understanding of the TIG process, we consistently maximize its potential for superior quality results.
For more information about our TIG welding capabilities or to request a quote for your specific application, please contact Vollrath. We’d enjoy hearing from you.
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TIG Welding Projects done by Vollrath.
Drawn stainless steel shells are loaded onto the conveyor belt of an
annealer that is atmospherically controlled to prevent oxide scale and
discoloration on the parts during the annealing process.
Stainless steel parts are processed through an automated pickling/passivating
line to remove oxide scale and heat tint discoloration as well as to remove
surface contamination.
The pictured robotic welder is used for plasma arc welding parts that
require accurate weld locations, repeatability and long weld paths (or
for multiple parts with short weld paths). To help reduce part cost, this
unit is set up in a cell environment to permit additional operations during
welding.
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