Welding Thin Sheet Metal With Flux Core

Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal.

Welding thin sheet metal with flux core.

I use the method flux core to weld thin metals as the cabinets and steel wardrobes are made from thin metals. Revolution of flux core before 1950 the common welding use for thin metals was shielded metal arc welding smaw in the mid 1950s the development for flux core welding was achieved. While wire feed welding sheet metal go for short bursts of welding instead of a going on a long bead. The demonstrator doesn t believe a mig process solid wire and shielding gas can weld galvanized where as plenty of us do.

Although flux cored welding is more forgiving of dirty metal than mig welding it s still a good idea to clean. Tig welding sheet metal. Forget the larger 1 8 inch tungsten electrode and use a smaller one. 1 16 i will be welding on the low 1 setting with the wire speed set to 7.

To weld sheet metal with solid wires use electrode positive ep or reverse polarity. Try going for a wire of 023 inches when welding sheet metal. It is essential that you are already familiar with working with metal such as cutting it and are aware of the safety. For sheet metal i use ine welding wire and it is just as good as their flux cored wire if you want you can grab one here.

As the metal you are welding increases in thickness you will want to increase the voltage and wire speed as you see fit. Short bursts or tacks will help. This guide will teach you how to weld steel with a flux core welder. The video is about five and a half minutes long.

Youtube flux core welding video. How to weld steel with a flux cored welder. For thin metal where burn through is a concern keep the electrode wire on the leading edge of the weld puddle.