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Date: | Wed, 20 Sep 2006 09:52:47 -0700 |
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Ioan: When steel is coated with zinc by hot dipping it bonds with the
iron. Thus producing an intermetallic formation of iron and zinc. So it
is not truly a coating.
RoHS calls out for mechanical separation of components to their lowest
common denominator. Since the zinc is chemically alloyed with the iron
it cannot be mechanically separated.
On the counter side I guess one could argue that the top layer of pure
zinc could be mechanically separated from the intermetallic layers
underneath.
Regards
Michael Barmuta
Staff Engineer
Fluke Corp.
Everett WA
425-446-6076
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Tempea, Ioan
Sent: Wednesday, September 20, 2006 9:20 AM
To: [log in to unmask]
Subject: [TN] Galvanized RoHS
Hi everybody,
Steve has been kind enough to post a document I have sent to him. The
paper practically says that galvanized steel is not considered a coated
structure, therefore the homogeneous material take on galvanized steel
considers the base material and coating to be one element.
What do you think about this?
Thanks,
Ioan
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