Plasma cutting

What gas does plasma cutting use?

Quick answer

Plasma cutting uses compressed air (most units).

· · Technical guidance compiled from trade practice and manufacturer data and checked through our verification program.

Gas or shielding detail

Flow rates for plasma cutting: compressed air (most units). Compressed air is both the plasma gas and the shield for most units — another reason plasma is the cheapest cutting process to run. A drier on the airline protects consumables.

Spot an error? Report it — corrections carry a dated note on our verification ledger.