Shielding gas
What is pure argon used for in welding?
Quick answer
Pure argon is used for TIG everything (helium mixes for thick sections); MIG aluminium, typically at 8–12 L/min TIG. The default TIG shield; also the base of most mixes
Where it fits
the default TIG shield; also the base of most mixes
Australian supply notes
Common argon-family cylinder sizes: D ≈ 1,700–2,000 L, E ≈ 4,000–4,600 L, G ≈ 8,700–10,200 L free gas — but always read your cylinder label, since volumes vary by supplier and fill pressure (BOC, Supagas, Coregas). Estimate your consumption with our gas flow calculator before choosing hire vs swap.
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