If you are burning through the metal you re not moving the torch fast enough and or your welder is set too high.
Best mig wire size for sheet metal.
To weld mild steel choose an american welding society classification wire such as er70s 6 which has a weld puddle that wets out nicely.
From automotive parts to fabricated structures shipbuilding metal buildings and sheet metal applications all have often reaped benefits from the switch to mig wire.
With portable design and wide applications the suncoo features a variable feed speed controls and a rotary knob to easily adjust the current flow and wire.
To help you to get in the hunt we have provided the handy guidelines below.
As i will prefer to call it the best mig welder for sheet metal it uses a flux core wire and self release metal inert gas while welding preventing the oxidation of the welded area.
Holding the tip too far from the surface will cause the wire to have to come out too far to touch the metal.
Keep the stick out short stickout of your mig wire is important when welding any type of metal but especially sheet metal.
It s recommended to use a 023 or 024 inch wire for most light gauge sheet metal work.
It is the best option for welding stainless steel.
I have some of the old linde 023 and the new stiffer esab 030.
Move the torch faster and or reduce the amp setting of the welder and the lower the wire speed.
For thinner gauge sheet metal like 18 or 20 gauge we suggest 023 6mm wire in your mig welder.
But be aware that the 023 is really soft.
This means the.
In this video we cover which size welding wire you should use when to change sizes and how to adjust your mig welder machine settings for different wires.
Problems with welding sheet metal.
For mig welding sheet metal it is often recommended to use an electrode wire of the smallest diameter to prevent burn through and warping.
Every mig welder has a sweet spot for a given material thickness in a particular alloy using a specific wire size and a certain shielding gas.
Using a thinner wire 0 30 instead of 0 35 will also help.
When the material is 18 gauge and thicker you may be able to use a 030 inch wire.
Advantages include slag free welding with less clean up even in multiple pass operations.
And yes it is easy to grind if you use argon75 25co2.
Another vote for 023 easygrind wire in your mig.
You can planish it pretty good or just grind it off.
Metal thickness amperage settings wire size.
