Longevity MIGWELD 250 MP User Manual
Page 41
MIGWELD 250 MP
• Shielding Gas
Co2 should be used with thick materials, but is too hot for thinner materials.
Thin steel should be welded with 75% Argon/25% Co2.
Aluminum should be welded with Argon.
Stainless steels can be welded 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
40