Aluminum Mig Wire Sizes

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Aluminum mig wire sizes.

5356 aluminum welding wire applications castings and housings cylinder heads pipes and frames oil pans and tanks heat treatable aluminum alloys truck and bus bodies method of application mig wire. 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. Only use a push gun technique when welding aluminum. The er4043 is the most commonly used mig filler wire.

Tig welder with ac high frequency. Check with your machine manufacturer for any information that may pertain to your welding system. It welds aluminum grades 2014 3003 3004 4043 5052 6061 6062 and 6063. Double click on chart to view quick guide for selecting mig wire size and welder amperage for your application.

Aluminum wire is commonly fed with a spool gun or with a push pull system. The larger the wire diameter the easier it feeds. The gas used is always 100 argon and in rare cases a helium argon mix may be used on base. Alcotec produces aluminum mig welding wire in over twenty different alloys and a variety of package sizes.

It may also be used to weld cast aluminum grades 43 214 355 and 356. Er5356 is a stiffer wire easier to feed and is used when more rigid higher strength weld properties are needed. The most common wire type is er4043 for all purpose work. Aluminum mig gmaw welding wire.

The more the operator can narrow down the melting range of the metal the easier it will be to weld the alloy. Spool guns improve feeding of soft wires by locating a small pool of wire on a pistol grip style gun. Obtain wire that is 3 64 or 1 16 inch diameter. Mig welding machine tig wire.

Specialty items as well as the industry standards are available. 1 lb aluminum spool mig welding wire with 0 035 in diameter and er4043 aws classification item 41r293 mfr. Using a spool gun eliminates the possibility of. Multi pass welding or a beveled joint design may be required for material thickness 3 16 and greater depending on power output capability.

If you are having feeding problems one thing you can try is a contact tip that is one size bigger than your wire. Select an aluminum filler wire that has a melting temperature similar to the base material. The requirement to use shielding gas with aluminum welding wire means that you will need a mig welder capable of using shielding gas.