Welding Metal On Car. It is recommended that you first select a piece of scrap metal that is the same thickness and type of metal as the one you will be welding and practice welding on the scrap. Set the machine so that when it is welding it has a fast crackling sound to it.
But in the case of 316L stainless you will need to incorporate a 316L wire. You can buy them in 3- to 50-pound bunches. Its great for construction but not so much for anything on a car.
MIG or Metal Inert Gas welding aka Gas Metal Arc Welding or GMAW also uses a gas shield and filler material.
Aluminum has a thermal conductivity that is five times greater than that of carbon steel which means that it will hold a lot more heat. Its really important to weld to clean shiny metal - this is electric welding after all so there needs to be a good electrical contact between the torch and the metal you are welding. Because it will have you a lot more control over the whole process and it is more forgiving in case you do anything wrong. It is recommended that you first select a piece of scrap metal that is the same thickness and type of metal as the one you will be welding and practice welding on the scrap.