For a corrosion resistant completed weld use one of the 400 series stainless steel wires such as a1490.
Welding stainless steel exhaust pipe.
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.
Stainless exhaust is sometimes made from 304 stainless but there are also quite a few exhaust components that use 400 series stainless like 409.
Andy phillips shows how to weld exhaust pipe and the tools needed to prep the metal and weld it together.
Firstly tig welding has zero tolerance of dirt oils paint and rust.
In particular this technique is used for welding exhaust pipes made from alloys such as stainless steel.
Ferritic stainless steel is the cheapest form of steel and hence it is favored for manufacturing automotive exhaust components.
We have proof right here.
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.
Is it ok to weld stainless steel exhaust tubing with carbon steel mig wire.
Its definitely not a good idea.
Before starting welding wears hand gloves face mask apron as protection from spark and light.