Firstly tig welding has zero tolerance of dirt oils paint and rust.
Welding stainless steel exhaust pipe.
Andy phillips shows how to weld exhaust pipe and the tools needed to prep the metal and weld it together.
When tig welding exhaust pipe care must be taken.
The widely used stainless steel is the type 304 stainless steel as they are also referred to as surgical stainless steel as it contains a maximum of 20 of chromium and 10 of nickel.
For a corrosion resistant completed weld use one of the 400 series stainless steel wires such as a1490.
Most of the popular welding processes can be used but i prefer gmaw because it works well on custom exhaust systems for my high school students hot rods.
Its definitely not a good idea.
Before starting welding wears hand gloves face mask apron as protection from spark and light.
But if your car has a stainless steel exhaust pipe then you better use small spool for stainless steel wire and use regular mig welder machine and this is how to mig weld stainless steel exhaust pipe.
In particular this technique is used for welding exhaust pipes made from alloys such as stainless steel.
Is it ok to weld stainless steel exhaust tubing with carbon steel mig wire.
So first thoroughly clean the tubing and ensure no dirt or oil residue is left.
Ferritic stainless steel is the cheapest form of steel and hence it is favored for manufacturing automotive exhaust components.