What would the reasoning be for specifying ER70S-3 wire over using ER70S-6? Repairs to the frames on Dodge trucks specify S-3 and note not to substitute. The commonly recommended electrode is S-6 by most car companies. The shielding gas is 75/25. Can anyone shed some light on this for me?
No announcement yet.
Electrode Wire, ER70S-3 or ER70S-6