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RE: Smitty Problem

To: "'Dave & Marlene'" <rusd@velocitus.net>,
Subject: RE: Smitty Problem
From: "Mike Brouillette" <m.brouillette@comcast.net>
Date: Sun, 4 Jul 2004 15:43:55 -0400
Guys,

         Isn't he asking a Transmission question?  What does that have to do
with brakes?

-----Original Message-----
From: owner-healeys@autox.team.net [mailto:owner-healeys@autox.team.net] On
Behalf Of Dave & Marlene
Sent: Sunday, July 04, 2004 2:27 PM
To: John Miller
Cc: healeys@autox.team.net
Subject: Re: Smitty Problem

John,

Several materials have been / are being used for brake piping.
First & worst is regular copper. Copper work hardens with vibration & 
flexing & fatigue cracks. Not good for brake or fuel lines.

Low carbon annealed steel has been used for many years. It is not 
subject to fatigue failure but has rust & corrosion problems.

Various coatings have been used to protect the steel, such as, copper & 
tin plating. A typical brand is "Bundy"

A 90% copper - 10% nickel alloy (UNS C70600) has been used in Europe for 
many years. It has the fatigue resistant qualities of steel & very high 
corrosion resistance. I don't know whether present US car manufacturers 
& racing organizations are sanctioning It's use or not.

The confusion may be between copper, copper plated steel, & 90/10 copper 
- nickel. The all appear to be somewhat copper color & all contain copper.

Dave Russell
BN2

John Miller wrote:
> You're not using copper for brakes lines, are you?  They *will* fail,
which of 
> course will always happen at the worst possible time.  





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