If you have worked in different roles or at different companies, you will have noticed that, for the same products and workpieces, some companies use pure CO₂ gas shielded welding, whilst others use a mixed gas shield.

MIG Welding Process.doc, MIG Welding Process; CO₂ Gas Shielded Welding Process; Steel Structure CO₂ Gas Shielded Welding Process Specifications 1 Scope of Application This standard applies to all types of steel structures manufactured by this company