Theo says
‘A gas with high CO2 content (eg, 25%) will produce a hotter weld with more penetration. However, gas with 5% or less CO2 is more versatile. It’s better suited to thin metals and can be used with other processes.’
‘A gas with high CO2 content (eg, 25%) will produce a hotter weld with more penetration. However, gas with 5% or less CO2 is more versatile. It’s better suited to thin metals and can be used with other processes.’