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Welding & Fabrication Forum
New MIG Issue
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[QUOTE="sniper_101, post: 812837, member: 697"] After only having an old arc on the farm and at work, I decided I wanted a small portable welder. Found a new Lincoln 180amp mig for a good price. Anyway, long story short, I got a tank of C-17 and tried running it with .025 and .035 in. (0.6 mm) SuperArc® L-56® Mild Steel MIG Wire. It will not form a weld puddle. Even on the highest heat setting, gas at 14-20L/hr, wire speed 3-7. It will not form a puddle, it will just build a bead on top of the base. This is doing a butt weld and a fillet, there is NO fusion. The metal will glow red hot, but no puddle. Just ropey looking welds basically sitting on metal. If I change to .035 in. (0.9 mm) Innershield® NR-211-MP Flux-Cored Wire it welds as it should. Of course with the added spatter/spray and slag that comes with a flux cored wire, but it forms a weld pool just fine with penetration expected for the associated amperage setting. Thoughts, tips, suggestions? [/QUOTE]
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