One tip for aluminum welding is to select the right torch. An air-cooled torch may be effective for thin sheets, but a water-cooled torch may be needed for larger jobs. Another tip is to clean aluminum with a stainless steel brush to remove the oxide coating.
Working with alternating current and selecting the right shielding gas blend can are important concerns when welding aluminum. Aluminum is one of the most common elements found on earth and is used in a variety of manufacturing processes. Aluminum is widely used throughout the transportation, automotive and construction industries because it is lightweight and durable, resistant to corrosion and can be easily shaped or machined.