Q&A topic

TIG welding: 10 questions answered

• How does tig welding work?

  TIG welding (GTAW — Gas Tungsten Arc Welding): a non-consumable tungsten electrode arcs under pure argon while you hand-feed fille…

• What is tig welding used for?

  TIG welding is used for stainless steel, aluminium, thin material and visible/structural quality welds. In Australian terms: stain…

• How hard is tig welding to learn?

  Expect a week of ugly beads before it clicks.…

• What gas does tig welding use?

  TIG welding uses pure argon (100%).…

• What thickness can you weld with tig welding?

  TIG welds from 0.5 mm foil up to 6 mm comfortably with the right tungsten and current; thicker sections need multi-pass or bevelle…

• Common tig welding mistakes and how to fix them

  The most common tig welding mistakes: dipping the tungsten into the pool; too much torch angle: 10–15° from vertical is plenty; fo…

• Can you do tig welding outdoors?

  Not practically: TIG's gentle argon shield is even more wind-sensitive than MIG. TIG belongs indoors or fully screened.…

• Push or pull: which technique for tig welding?

  Mostly neutral to a slight push (10–15°). The rule that matters more: keep the tungsten 2–3 mm off the work and feed rod into the …

• What settings for 3 mm steel on TIG?

  For 3 mm mild steel on TIG: 90–130 A DCEN with a 2.4 mm tungsten and 2.4 mm filler — enough to establish the pool fast and travel …

• How to weld vertical-up with TIG

  Vertical-up tig welding: drop 10–20% current, point slightly upward into the pool, and use a weave or triangle pattern to let each…