To MIG weld aluminium, ensure you use a spool gun or a push-pull system for better wire feed. Clean the aluminium surface thoroughly to remove oxides. Set the welder to the correct voltage and wire speed, and maintain a steady travel speed for a consistent bead.
What wire to use for MIG welding stainless steel?
For MIG welding stainless steel, use ER308L wire for general applications. It offers good corrosion resistance and is suitable for welding 304 and 308 grades. For thicker materials, consider ER309L for dissimilar metals. Always match the wire to the base material.
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