Archive for February 24th, 2010

How MIG welders differ from Flux Core welders

Wednesday, February 24th, 2010

When you are about to purchase a wire feeder welder, you must primarily keep three things in mind. To begin with, you must see what you are planning to weld and secondly where you are welding. Finally you must check the surface finish of what you are welding. You must also select the appropriate welding method that would go with the type of metal you are welding.

You can begin your welding lessons with the Gas Metal Arc Welding popularly known as the MIG welding which uses a solid wire electrode for filler metal and an externally supplied gas from a high-pressure cylinder for shielding. It is used for welding commercial metals like low carbon steel, low alloy steel and stainless steel.

Once you get comfortable with steel welding, you can try your chances with aluminum welding equipments. Since aluminum is a very soft metal, cleanliness of the wire and base metal is important. Special welding techniques are often required to weld aluminum. On the other hand, the Flux Cored Arc Welding or the Flux core welder is different as it uses internal shielding gas and fluxing agents through a wire which has the needed materials in its core and produces them when heated.

While comparing the MIG welders and Flux core welders both has advantages and disadvantages. The MIG welders provides lower spatter levels compared to the flux core. But they don’t offer portability. The flux core welders are best suited got outdoor welding but the machines are highly sophisticated and a slight change can create a big difference. MIG welding is easy to learn while flux core is hard to master. The MIG welding has a soft arc which is not suitable for welding thicker materials. The flux core process is best suited for welding thicker materials as it is devoid of cold lapping.

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