However if you are dealing with materials that are 18 gauge or thicker one should be able to use 030 inch welding wire.
Use a welder to cut sheet metal.
Different metals have different properties and thus are of varying thickness.
Don t attempt to weld thin materials like.
An angle grinder fitted with an abrasive metal cutting disc works well to cut all kinds of metal including bolts angle iron rebar and even sheet metal.
Special cutting rods you can use an arc welder to cut through steel.
With these materials use a tri mix gas 90 helium 8 argon and 2 co 2.
Try going for a wire of 023 inches when welding sheet metal.
A wire feed or tig welder is ideal for sheet metal but we will assume that you don t have one.
The angle grinder uses not only at home but also in a big project constriction and other manufacture.
However the procedure of how to use an angle grinder to cut metal is quite easy.
When welding 304 stainless steel er308 er308l and er308lsi wires are compatible but for welding 316l stainless you need a 316l wire.
If you need to cut thicker material see if you have a local welding supply that will rent you a plasma cutter.
As for mild steel wires such as er70s 6 are recommended for use as they have a weld buddle that wets out nicely.
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.
Short bursts or tacks will help you gain more control and adjust easily.
While wire feed welding sheet metal go for short bursts of welding instead of a going on a long bead.
Arc welders are designed to weld metal together using a consumable welding rod.
Angle grinder implies the make use of different angle grinder disk.
We need to establish what is considered thin metal.
Instead we recommend using a diamond blade that s rated to cut ferrous metal.
Just kidding this tip is to explain how to weld sheet metal with a stick welder.
But the discs wear down quickly cut slowly and shrink in diameter as you use them.
You just need to learn and follow all the safety instructions.
I d suggest grabbing a 20 air nibbler from harbor freight assuming you have a compressor already available.
To weld sheet metal with solid wires use electrode positive ep or reverse polarity.
You need high skill and security consciousness during the cutting sheet metal.
It is recommended that a welder should use 023 or 024 inch wire for light gauge sheet metal work.
Mig weldingis the preferred method for most automotive bodywork and since sheet metal is the thinnest of metals a large expensive mig unit is usually not required.
The first thing you need to consider is the thickness of the metal sheets you will be working on.
When an electrode clamped into the holder is brought close to the grounded parent metal a high amperage arc of electricity crosses the gap between the surfaces.
There is no absolute according to hoyle answer but i always considered anything less than 3 16 to be thin.
It ll make a nice neat cut through sheet metal up to about 18 guage or so.
