Welding 20 Gauge Galvanized Sheet Metal. In the US sheet metal is designated through the gauge the larger the number the thinner the metal. Learn how to weld channel letters with 24 Gauge sheet metal.
Work slowly around the exterior edge on the metal itself moving forward 23 inches 5176 cm before bringing your welding rod back over the surface you just covered. HttpsgooglFRdNssWhen most people think about welding light gauge material they think TIG or in some. When the material is 18-gauge and thicker you may be able to use a 030-inch wire.
Sheet metal welding demands really tight fit-ups.
To weld mild steel choose an American Welding Society classification wire such as ER70S-6 which has a weld puddle that wets out nicely. This corrugated deck is later filled with concrete forming a composite. Im simply a self taught welder and thought I could pass on a tip that has helped me along the way. Most of the thin gauge sheet metal are made from steel stainless steel aluminum or galvanized.