Shieldpro 21

Shieldpro 21 is a high performance gas for used for the welding of stainless steel

O2 / Ar

Shieldpro 21 mixture has the addition of predominantly oxygen, which improve performance in the areas of welding speed, penetration, profile, surface appearance, metallurgical benefits etc. This in turn improves the two major areas of concern in a welding process - quality and economics.


  • Ideal for MIG welding of stainless steel up to 3mm
  • Dip transfer
  • Reduced penetration and smooth running

Product Summary

Gas composition

  • Argon 99%
  • Oxygen 1%

Compressed gas sizes

UN number: 1956

Download safety data sheet


Size Product code Volume / m³ Weight (full) / kg Pressure / kPa Outlet connection Availability
SG 252150 10.6 78.4 20,000 Type 10 NZ wide
12-pack 252512 183.9 1293.5 kg 30,000 Type 10 NZ wide
Additional Details

Physical & chemical properties

Appearance Odour Flammability
AppearanceColourless gas OdourOdourless FlammabilityNon flammable

Hazard class


Hazard symbol (GHS)

  • Non-flammable non-toxic gas 2.2
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