Longevity PROMTS 200i User Manual
Page 15
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 Helium+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