Mig Welding Aluminum Wire

Aluminum requires some specific changes for welders who are accustomed to.
Mig welding aluminum wire. A spool gun feeds the aluminum mig welding wire. Plus the mig welder needs a spool gun. Interested in looking at welders capable of mig welding aluminum. Grainger carries a large stock of mig welding wire and flux core welding wire to meet your welding needs including aluminum carbon steel copper coated mild steel stainless steel and more.
Spool guns improve feeding of soft wires by locating a small pool of wire on a pistol grip style gun. Aluminum wire is commonly fed with a spool gun or with a push pull system. The requirement to use shielding gas with aluminum welding wire means that you will need a mig welder capable of using shielding gas. How to mig weld aluminum.
Alcotec produces aluminum mig welding wire in over twenty different alloys and a variety of package sizes. Using a spool gun eliminates the possibility of. When welding mild steel you typically use what s called c25 gas 25 co2 and 75 argon. The benefit of having a spool gun is that the aluminum wire doesn t have to travel through the mig hose where it will likely get ratted up.
The prettiest option for aluminum welding is to use a tig welder. Mig welding aluminum gas mixture. Mig welding aluminum wire is much softer than steel wire and can be easily deformed or crushed. That means the chance for wire feeding problems is high in gas metal arc welding applications.
05 08 19metal inert gas mig welding uses a consumable wire electrode and shielding gas which is continuously fed through a welding gun. Aluminum as a filler metal has the same oxidation problems as all aluminum. Gun and wire feeding options. You ll also find flux cored welding wire fcaw here.
Diameter size of aluminum wire 0 030 or 0 035 for example hobart recommends 0 035 to be used with 1 16 to 1 4 inch thick base metal. Choose from various diameters of wire for different welders and welding projects. Are there any special storage considerations for aluminum filler metal wire. Why not check out the lincoln 140 mig welder or the everlast 140 imig articles i have on the site.
Choosing a gun and wire feeding system is an important step before mig welding aluminum. More information can be found in the aws book specification for bare aluminum and aluminum alloy welding rods and bare electrodes aws a5 10. Five simple steps can help welders minimize wire feeding problems and the downtime associated with them.