Welding Wisdom for Professionals and Beginners Alike.

When welding anodized coated aluminum, do not weld over the anodized layer. Instead, remove the coating from the weld area using sanding or a grinding disc. This preparation ensures a…

5083 aluminum alloy has excellent weldability, providing strong and tough welds. It offers high corrosion resistance, making it ideal for marine use. Its applications include shipbuilding and pressure vessels. These…

To weld billet aluminum to cast aluminum, prepare the surface to avoid contaminants. Preheating may improve results. Use appropriate aluminum brazing rods to create a strong joint. Focus on 6000…

Avoid welding black anodized aluminum directly. Anodized coatings can weaken the weld. Sand or grind the anodized layer from the welding area for better results. Use specialized welding techniques if…

To weld 6061 billet aluminum to cast aluminum, use a 5356 filler rod. Preheat the cast aluminum component to between 400°F and 500°F to improve welding integrity. This technique enhances…

When welding brackets to an aluminum radiator, use aluminum brackets for a proper fit. Apply TIG welding for strong and durable joints. Clean all surfaces with a brush and acetone…

“Welding and Brazing Alcoa Aluminum” is a 1948 book published by the Aluminum Company of America. This 135-page guide features techniques for welding and brazing aluminum. It is available in…

To weld a broken aluminum casting, first, grind out the crack using a die grinder and carbide burr. Then, choose an appropriate filler like 4043 alloy for your project. Finally,…

For welding aluminum with Gas Tungsten Arc Welding (GTAW), use 1 amp for every thousandth of an inch (0.001) of thickness. For example, 1/8 inch (0.125 inch) thick aluminum needs…