Mig Welder Settings For Sheet Metal

So if you are welding 12 gauge mild steel with a thickness of 0 100 you would set the machine at 100 amps.

Mig welder settings for sheet metal.

When the material is 18 gauge and thicker you may be able to use a 030 inch wire. The optimal gas pressure varies a little but it should be around 15 25 cfh. Keep in mind during the welding process it is important to direct the arc right at the center of the weld puddle and don t do movements like whipping or weaving as it may cause warping and burn through quickly. This page covers how to set up a mig welder using the voltage wire feed speed and recomended mig welder chart settings for steel stainlesss and aluminum.

Good equipment makes mig welding easier while poor equipment can cost you dearly in frustration and weld quality. The optimal gas pressure going into the hose varies a little but it should be around 15 25 cfh picking the right mig wire once you have the mig welding setting done you need to install the wire onto the welding machine. Holding the tip too far from the surface will cause the wire to have to come out too far to touch the metal. Try to set proper mig welding settings for mild steel along with other kinds of metals.

It s recommended to use a 023 or 024 inch wire for most light gauge sheet metal work. For thinner gauge sheet metal like 18 or 20 gauge we suggest 023 6mm wire in your mig welder. Mig welders such as the millermatic 211 and millermatic 141 are ideal for the occasional welder. When welding mild steel a good rule of thumb is to set the amperage level at 1 amp for every 0 001 of thickness.

When mig welding sheet metal it is important to set the proper parameters to prevent warping and burn through or else it will create excess heat and easily blowholes on the metal. To weld mild steel choose an american welding society classification wire such as er70s 6 which has a weld puddle that wets out nicely. Finally i have guided you through 3 main settings in a mig welder and provided the recommended parameter charts. Keep the stick out short stickout of your mig wire is important when welding any type of metal but especially sheet metal.

This setting almost never changes and if you do need to change it then you need to unbolt the internal leads and flop them. Metal thickness amperage settings.