What is TIG welding and when is it used?

Learn about TIG welding, its process, and when to use it. Discover its precision, benefits, and applications in various industries and projects.

At Mansilla Architectural Metals, TIG welding (Tungsten Inert Gas welding), also known as Gas Tungsten Arc Welding (GTAW), is one of our most relied-upon techniques for projects that demand accuracy, cleanliness, and strength. By using a non-consumable tungsten electrode and an inert shielding gas — typically argon — TIG welding creates highly controlled, spatter-free welds ideal for visible or high-precision applications.

Clean, High-Quality Welds for Architectural and Structural Projects:

TIG welding produces some of the cleanest welds in fabrication — making it the preferred method for work where aesthetics and structural performance must align. It’s especially valuable for architectural components like stainless steel handrails, exposed staircases, and aluminum canopies where weld visibility is high and finish quality matters.

Unlike methods that generate heavy spatter or post-weld cleanup, TIG welding offers a neat bead profile with minimal distortion, which reduces finishing time and enhances the appearance of the final product. This is particularly useful when fabricating parts that will remain visible in finished commercial and residential spaces.

Versatility Across a Wide Range of Metals:

One of the reasons TIG welding remains a staple in our shop is its versatility across various materials. It’s well-suited for:

  • Stainless Steel (brushed or polished)
  • Aluminum (mill, anodized, or brushed)
  • Magnesium
  • Copper
  • Specialty alloys and thin-gauge sheet metals

This flexibility allows Mansilla Architectural Metals to fabricate a wide variety of components across commercial, industrial, and decorative applications — from structural assemblies to detail-oriented architectural finishes.

Superior Control for Aluminum Fabrication:

When working with aluminum, TIG welding offers unmatched control. Aluminum’s sensitivity to heat and rapid thermal conductivity require a precise, low-spatter process to prevent warping, cracking, or contamination. With TIG welding, we can produce lightweight, structurally sound aluminum components with clean, uninterrupted seams — perfect for exterior architectural features, frames, and signage.

Ideal for Thin Materials and Complex Work:

TIG welding’s ability to finely control heat input makes it ideal for thin sheet metals and detailed work. In projects that require tight tolerances, delicate patterns, or intricate cutouts — such as laser-cut signage, decorative panels, or trim work — this process ensures clean, distortion-free results. It’s also a go-to for joining dissimilar metals or completing tight-radius welds that require an experienced hand.

Artistic, Custom, and Finish-Driven Fabrication:

In custom fabrication — whether for branded installations, architectural metalwork, or artistic pieces — TIG welding is valued not only for strength, but also for visual consistency and refinement. Because it operates without flux and produces fewer fumes or slag, TIG welding maintains material cleanliness and reduces contamination risk — a key advantage when fabricating brushed or polished finishes.

TIG welding is central to how we achieve strength with precision at Mansilla Architectural Metals. Its clean arc, controlled heat input, and compatibility with a wide range of metals make it essential for both structural and architectural applications. Whether fabricating aluminum awnings, stainless railings, or decorative signage, we rely on TIG to deliver consistent, code-compliant, and visually refined results — every time.

Tig welding

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