Stock Exhaust Pipe is ALLOY?

BlueBear · Mar 3, 2015

hi guys ill shortly post my video on my akra full install...

but funny thing i found out is that the stock exhaust is made of some kind of alloy or steel that has no magnetic properties.

anyone know what steel it is?
its thin and seem strong as steel but not magnetic at all
im very surprised by this... atho is does rust a tiny bit..

mrbrettbaker · Mar 4, 2015

I dont know exactly which, but it is stainless steel

Claymore · Mar 4, 2015

Stainless steel is a ferrous alloy so it should attract magnets?

mrbrettbaker · Mar 4, 2015

Nope. There are a ridiculous amount of different SS alloys, but all the "good ones" are non magnetic or slightly magnetic. Each is mixed for different purposes, but typically for no rusting and corrosion or chemical resistance

Phl · Mar 4, 2015

i guess it's some 304SS (austenitic)

if you want magentism with ss, it has to be martensitic (slightly magnetizeable) or ferritic, like a 430.

Phl · Mar 4, 2015

the rust is most unlikely oxidation, but rather discoloration from the heat combined with external pollution. (water marks, road grime)

Trauma · Mar 4, 2015

Phl said:
i guess it's some 304SS (austenitic)

if you want magentism with ss, it has to be martensitic (slightly magnetizeable) or ferritic, like a 430.

They do that with knives, so that's why even though stainless, they stick to those magnetic holders

Stock Exhaust Pipe is ALLOY?

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