Argon 5/2 mixes 93% Argon with 5% Carbon Dioxide and 2% Oxygen. In small amounts, there is evidence that the Oxygen can improve the stability of the arc and reduce the tension of the molten metal. Argon 5/2 provides arc stability, puddle control and reduces spatter compared to pure Oxygen. The improved weld quality and reduced clean up makes Argon 5/2 a preferable choice of gas for MIG welding.

Most common use:

  • Metal Inert Gas (MIG) welding of mild steel




Dimensions D Size E Size G Size
Height (mm)
inc. valve & cap
945mm 915mm 1560mm
Weight (kg)
inc. valve & cap
15kg 32kg 55kg
Diameter (mm) 140mm 232mm 232mm
Capacity (m3) 1.7m3 4.0m3 8.5m3
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