[OT] steel types

[Larry" <rocco16v@netzero.com (Larry)]

Doug-
  the best would be the stainless types, if you are looking for
corrosion-resistance.  Note that the original studs are NOT stainless. Does
that tell us something?
The alloy steel will be stronger, but do you need the extra strength?
Probably not, but it's nice.
The plain steel will do ya'.   ( zinc plating will burn off very quickly in
this application)

Larry

> while shopping for exhuast studs at Mcmaster-Carr, There is 5 choices
among material type:
>
> 18-8 Stainless Steel
> 316 Stainless Steel
> Alloy Steel
> Class 4.6 Plain Steel
> Class 4.6 Zinc Plated Steel
>
> I do know that the 18-8 stainless refers to % of chromium and nickel, and
that 316 stainless is more corrosion resistant than 18-8, but weaker.
>
> However, I'm unsure about the differnces in respect to the last 3.  And
which one will be the best to use for the manifold/downpipe conncection?
> TIA
>
> Doug C.
> '88 16v
> Asheville, NC
>
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