Puddle Welding |best| -
It’s called .
For stick (SMAW): run 10-15% below recommended. For MIG: drop voltage until the arc is soft. For TIG: low amperage, small tungsten. puddle welding
You will blow through. You will curse. You will grind off the bird droppings. It’s called
Each puddle tells a story: here the welder paused because a gust of wind hit. Here the rod stuck for a second. Here the base metal was thinner than expected. A continuous bead hides those moments. A puddle weld preserves them. Want to learn puddle welding? Forget coupons. Get a piece of 16-gauge sheet metal. Drill a ½-inch hole in it. Weld it shut with 1/16-inch 7018 at 50 amps or .030 MIG at 16 volts. For TIG: low amperage, small tungsten
moving before the puddle freezes. That creates a “wagon track” — a groove full of slag and porosity. Wait until the red glow fades to black. 5. The Great Debate: Art or Crutch? Among welding purists, puddle welding occupies a strange moral category.
In the 1930s–50s, many steel bridges and industrial structures used as a repair for corroded gusset plates. The American Railway Engineering Association had a standard for “puddle welding of fatigue cracks” — essentially depositing small, overlapping beads to arrest crack growth without heat-straightening the member.
One pipeline welder in North Dakota told me: “I can weld a puddle in a 30 mph wind with 7018 that’s been sitting in a wet truck bed. Try that with your perfect stringer bead.” The most surprising fact? Puddle welding has been used in critical infrastructure — just under a different name.