PROMTS 200i
14
Shielding Gas
Co2 should be used with thick materials, but is too hot for thinner materials.
Thin steel should be used with 75% Argon/25% Co2.
Aluminum should be used with Argon.
Stainless steels can be used with a triple-mix, or Argon+Co2
Gun Techniques
Drag/Pull= More penetration with a more narrow bead
Push= Less penetration with wider bead
Argon + CO
CO
2
2
Steel Penetration Patterns