When you work with a flux cored MIG wire you’re going to have a lot of spatter on the weld that will need to be cleaned up at the end, which usually isn’t recommended for thinner metals. You’ll be better off using solid cored MIG wire with shielding gas that provides a cleaner, more precise weld. ![]() When you’re MIG welding on thin material, the flux cored option is not ideal. Material Thickness Concerns with MIG Welders At the very least a flux cored wire removes the need to worry about shielding gas, which adds an element that needs your attention and adds an additional cost. In some cases, welders report that flux-cored wire makes it easier to weld faster (although, remember you need to factor in clean up time!), especially if you use more of a drag angle that makes it easier to see the weld puddle while working. In addition, many outside welding jobs won’t call for the same level of attention to the weld’s appearance, so flux-cored should typically work just fine. Since the flux shields the weld as part of the wire, the wind simply won’t be a factor. Since shielding gas can be difficult and dangerous to transport and windy conditions can minimize the effectiveness of shielding gas for solid cored wires, flux-cored MIG wires are ideal for portable welding operations or jobs that are outside. Overall, flux-cored wire makes it easier to weld out of position or in vertical and horizontal positions since the flux coating can help keep the weld in place as metal solidifies. This combination provides an immediate, thin shell over the weld that holds the molten metal in place, prevents contamination, and chips off quite easily. shielded solid MIG wire, you also have the option of working with gas shielded flux cored MIG wire that is typically use for vertical and uphill MIG welds. Here are several scenarios to consider when choosing your MIG welding process.īefore we get started with flux cored MIG wire vs. The flux in the MIG wire melts in the weld puddle and provides all of the shielding that your weld requires, and you can chip the flux away after it hardens.īoth types of MIG welding wires offer advantages and disadvantages, and we’ll take a look at which will work the best for your welding project. While solid MIG wire requires a shielding gas to protect the weld, typically a mix of Argon and CO2, there’s also flux cored MIG wire that shields the weld on its own without the help of gas. ![]() MIG welding offers the convenience and speed of a feeder that guides the metal wire right into your puddle, but keeping your weld free from contaminants will determine the strength and appearance of your weld.
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