Mig Welding Wire Size Chart

Joint design position and other factors affect results and settings.

Mig welding wire size chart.

The 0 8mm figures have been extrapolated from the 0 6mm results so will be less reliable but they are at least a starting point. Some are much thicker for heavy industrial applications. 125 inch 125 amps. Only use a push gun technique when welding aluminum.

Multi pass welding or a beveled joint design may be required for material thickness 3 16 and greater depending on power output capability. Typical mig welding electrodes are a solid wire ranging from a thickness of 023 to 045. The information in this article pertain to welding with solid wire. The 0 6mm wire size figures have been tested to 2mm and the figures are extrapolated.

Other charts are available from cable manufacturers and welding reference books. Er5356 is a stiffer wire easier to feed and is used when more rigid higher strength weld properties are needed. Double click on chart to view quick guide for selecting mig wire size and welder amperage for your application. Check with your machine manufacturer for any information that may pertain to your welding system.

As an example let s assume you have a 400 amp power source at 60 duty cycle and need a total combined length of electrode plus work cables of 100 feet. Er70s 6 is also better for creating a smooth transition from the weld to the base metal also known as wash in or tie in. When welding with flux core wire the parameters can be entirely different. A quality mig wire is critical in robotic welding applications.

Browse suggested weld parameter settings for stick welding tig welding mig solid wire welding and mig flux core welding. Better wash in may be a requirement in applications subject to fatigue. The welding itself requires very little skill providing the mig welder settings are correct for the application. Er70s 6 wire can provide better wetting at the weld toe when compared to an er70s 3 wire.

The most common wire type is er4043 for all purpose work. When good results are achieved record the parameters. If you are having feeding problems one thing you can try is a contact tip that is one size bigger than your wire. Most widely used mig welding electrode sizes.

Figure 5 is an example of a chart for selecting the proper welding cable size. Wire speed reference. As a guideline each 001 inch of material thickness requires 1 amp of output. The following basic guidelines are for mig welding steel with solid wire.

The most common sizes most welders use are 023 030 035 045.