Short bursts or tacks will help.
Wire size for welding 20 ga sheet metal.
So if you are welding 12 gauge mild steel with a thickness of 0 100 you would set the machine at 100 amps.
Using a thinner wire 0 30 instead of 0 35 will also help.
Wire size amperage range.
This may help you standardize on one or 2 wire sizes for most of your work.
However if you are dealing with materials that are 18 gauge or thicker one should be able to use 030 inch welding wire.
To weld mild steel choose an american welding society classification wire such as er70s 6 which has a weld puddle that wets out nicely.
If you are burning through the metal you re not moving the torch fast enough and or your welder is set too high.
Problems with welding sheet metal.
For thinner gauge sheet metal like 18 or 20 gauge we suggest 023 6mm wire in your mig welder.
As a rule when mig welding sheet metal never use a body filler metal that is thicker than the base metal.
The following sheet metal gauge size reference chart gives the weight and thickness of sheet metal given as a gauge sometimes spelled gage and indicates the standard thickness of sheet metal and wire for most materials as the gauge number increases the material thickness decreases.
Each wire size offers a substantial operating range and overlap considerably.
Use a hammer to tap all the spots that aren t tacked together.
When welding sheet metal you re going to want to tack your joints every 1 5 to 2 inches.
Looking for some recommendations for welding patch panels in older classic cars.
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.
I have an older miller 180 mig that works great just wondering if anyone out there can recommend a good wire diameter 023 or 030 for what i m doing.
Keep the stick out short stickout of your mig wire is important when welding any type of metal but especially sheet metal.
I m repairing them with 20 22 gauge material.
It is recommended that a welder should use 023 or 024 inch wire for light gauge sheet metal work.
Once you have the the welder set then the trick is to keep a steady a arc.
The 1930 s seem to have used a lot of 19 gauge in their body panels.
It s recommended to use a 023 or 024 inch wire for most light gauge sheet metal work.
Move the torch faster and or reduce the amp setting of the welder and the lower the wire speed.
When the material is 18 gauge and thicker you may be able to use a 030 inch wire.
Holding the tip too far from the surface will cause the wire to have to come out too far to touch the metal.
If you are using mig it s best to weld vertically down.
