Welding Thin Sheet Metal With Flux Core

Short bursts or tacks will help.

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. The demonstrator doesn t believe a mig process solid wire and shielding gas can weld galvanized where as plenty of us do. For thin metal where burn through is a concern keep the electrode wire on the leading edge of the weld puddle. 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.

I found a useful video on youtube that illustrates the flux core welding of galvanized steel. When welding vertical down begin at the top of a joint and weld down weaving slightly side to side. As the metal you are welding increases in thickness you will want to increase the voltage and wire speed as you see fit. Try going for a wire of 023 inches when welding sheet metal.

This guide will teach you how to weld steel with a flux core welder. It is essential that you are already familiar with working with metal such as cutting it and are aware of the safety. I use the method flux core to weld thin metals as the cabinets and steel wardrobes are made from thin metals. How to weld steel with a flux cored welder.

The video is about five and a half minutes long. To weld sheet metal with solid wires use electrode positive ep or reverse polarity. Tig welding sheet metal. Since the sheet metal for our container is a fairly thin gauge approx.

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. 1 16 i will be welding on the low 1 setting with the wire speed set to 7. Although flux cored welding is more forgiving of dirty metal than mig welding it s still a good idea to clean.