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Old 11-26-2008, 06:27 PM   #37
gboezio
 
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Drives: Yaris 4dr 2008
Join Date: Nov 2008
Location: victoriaville,Qc,Canada
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Quote:
Originally Posted by jkuchta View Post
Gboezio and WolfWings....you're both about half right.

Stainless and Mild steel both have high melting points, but Stainless conducts heat far less than mild steel, making it much better for exhaust applications. Also, stainless is much less susptable to scaleing and errosion than mild steel, making it even more superior in this application.
As far as embrittlement...while it will happen, the reduced fatigue strength of 304 will still be higher than that of mild steel, making for a stronger header.
My bad, I did not specify coated mild steel. I would not run an uncoated steel header.
Maybe 304 would work fine on non turbo application, someone's got to try
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