I read in !emc-pstc that Ted Rook <[email protected]> wrote (in
<[email protected]>) about 'preplated steel' on Wed, 2 Oct 2002:
>I believe that if you want edges that don't corrode you can get the right 
>material by coordination between your engineers and purchasing people.

The stuff that would protect sheared edges was 'Terneplate' in UK. The
plating is an alloy (tin/lead?) and the process is not all that cheap,
IIRC. But the overall cost can be at least competitive with post-plating
and is perhaps more environmentally-friendly.

It may be that lead-free platings are now used, and these may be less
effective at protecting sheared edges.
-- 
Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk 
Interested in professional sound reinforcement and distribution? Then go to 
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PLEASE do NOT copy news posts to me by E-MAIL!

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