Want to weld your car exhaust pipe and only have your old grandpas stick welder.
How to weld sheet metal on a car.
Start with the lowest power setting.
This is a quick video showing how to weld sheet metal with a stick arc welde.
Begin the final welding with one small portion at a time.
Tack weld different areas of the joint about an inch apart.
Weld about an inch of bead at a time.
Short bursts or tacks will help you gain more control and adjust easily.
Start with a weld on the top of the patch and let it cool a little compressed air helps.
This will hold it in place and allow you to weld it properly.
So you can keep the other hand free for manipulating your materials and other tools.
Tack welds are simply small welds that barely penetrate the metal and aren t pushed or pulled to form a bead.
Here s a few tips on repairing rust holes in car body panels.
When you are new to the whole process of welding auto body sheet.
Mig or metal inert gas welding aka gas metal arc welding or gmaw also uses a gas shield and filler material however in this case the filler is a wire fed directly through the welder.
Tack welding is the best way to hold the metal in place before you fully weld it to the original metal.
In this video im showing you the process i use to do small rust repairs where a complete panel.
Move from the top to the bottom.
While wire feed welding sheet metal go for short bursts of welding instead of a going on a long bead.
That makes this a one handed process.
Why are we telling you to start with the lower power setting available when you.
Try going for a wire of 023 inches when welding sheet metal.
Now you have four weld beads holding the patch panel in place now heres a bit more advise mig welders get very hot and it s possible to warp the metal in your car while welding the patch panel in place so never weld more then 1 beads at a time and move from the top to the bottom do a 1 weld on the top of the patch and then cool it off.