M miggymarky Member Messages 165 Dec 12, 2009 #1 Which gas is recommended for a mig,co2 or argon or a mix?
shenion Tool Pack Rat Messages 7,586 Location Stone Mountain, GA USA Dec 12, 2009 #2 For MIG on mild steel, Arcon/CO2 mix or Argon/Co2/O2 mix. Most gas suppliers have their own recommended mix. For stainless ther are special mixes. Argon is used for aluminum. CO2 alone can be used for mild steel with a less stable arc and a wide weld pool. That makes it less than ideal on thin metal.
For MIG on mild steel, Arcon/CO2 mix or Argon/Co2/O2 mix. Most gas suppliers have their own recommended mix. For stainless ther are special mixes. Argon is used for aluminum. CO2 alone can be used for mild steel with a less stable arc and a wide weld pool. That makes it less than ideal on thin metal.