Mig Welding Aluminum Wire Speed

The settings needed to mig weld aluminum are pretty much the same for all positions.

Mig welding aluminum wire speed. But that doesn t mean you can just leave the voltage alone. Voltage needs to be balanced with wire. Wire feed speed amperage too low. But depending on the max amps your welder can reach you may be better with 0 030 wire.

If you search for aluminum mig wire online you will find that many of the er4043 and er5356 filler metals come in either the 0 030 or 0 035 inch sizes as is the case with this hobart er5356 aluminum welding wire. Basic mig welding settings are made up of 2 main settings. How do you weld aluminum with a mig welder hold your spool gun tip at an. Like i said before you re going to be moving uncomfortably fast at first with your mig gun with aluminum until you get used to it.

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. This page is intended to help you fine tune your wire speed and includes a video to demonstrate what the different speeds sound like. It s a new welder and i used to use and still do use a millermatic 250 and typically run 26 and 55 60 wire and that welds pretty good for most stuff. A lack of or inadequate shielding gas is easily identified by the porosity and pinholes in the face and interior of the weld.

Mig welding volts and wire speed using a multimatic 255 at work and trying to dial in the setting. Travel speed when mig welding aluminum a good rule of thumb is to use roughly the same voltage settings you would use with mild steel but double your travel speed. Match the amp needed to use melt 0 030 or 0 035 to what your welder is capable of. A narrow oftentimes convex bead with poor tie in at the toes of the weld marks insufficient amperage.

20 to 30 cubit feet per hour. Aluminum needs high heat amp and high wire speed 300 to 450 inches per minute. In most cases it will take 21 to 23 volts to get the arc to spray transfer. Wire feed speed controls amperage.