Shielding gas
What is argon-helium mix used for in welding?
Quick answer
Argon-helium mix is used for hotter arcs on thick aluminium, typically at 12–18 L/min. More heat for a given amperage; costs significantly more in Australia
Where it fits
more heat for a given amperage; costs significantly more in Australia
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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