A close-up of a TIG welding torch with glowing tungsten electrode and ceramic gas cup, creating a bright arc over a molten weld puddle on metal.

Can You TIG Weld Without Gas? Why Shielding Gas Is Non-Negotiable

TIG welding depends on shielding gas to protect your weld from contamination. Unlike processes like stick or flux-core MIG, TIG doesn’t have built-in flux to keep oxygen and moisture out. Without gas, things start to go wrong almost immediately. Still, many beginners wonder if they can skip the gas to save a little money or…