From personal experience and from other people I've spoken to, these types
of suppliers are the most difficult to get information and compliance
statements from. The main reason I believe this to be so is that entire
electronics industry has been preparing for this change but much less effort
has been invested in compliance of "mechanical" parts. Also many of these
companies are smaller and therefore have less invested in keeping up with
"Lead free electronics".
We've found that metal/machining suppliers were mostly unaware of any
legislation. So we had to take it upon ourselves to educate the suppliers.
If your company has invested time in understanding the legislation
then you are probably in a better position to know what compliance means for
the particular materials or parts.
I would suggest drafting a compliance letter specifying the banned
materials and whatever exemptions apply. Send that to the metal supplier and
have them sign off on that.
If you wait for them to interpret the directives and determine
compliance you could be in for a long wait or wrong information. Especially
if it's a small company and no one is assigned to handle RoHS compliance.
Regards,
LS
-----Original Message-----
From: Genny Gibbard [mailto:[log in to unmask]]
Sent: Thursday, August 10, 2006 1:32 PM
To: [log in to unmask]
Subject: Metal compliance
Anyone else having major difficulties getting RoHS compliance statements
out of your metalwork suppliers?
We have companies that provide things like chassis parts, custom
standoffs, etc. They are made of things like 6061 Aluminum, stainless
steel, etc. These are things that can use the exemption:
6. Lead as an alloying element in steel containing up to 0.35 % lead by
weight, aluminium containing up to 0.4 % lead by weight and as a copper
alloy containing up to 4 % lead by weight.
However, our metalwork vendors are having trouble getting any sort of
statement out of their raw materials suppliers, so they are reluctant to
issue statements to us.
I don't know if it would be an unlikely thing to have higher than the
0.4% Pb in aluminum, or if you need to have some carefully controlled
source of aluminum in order to achieve that.
Any thoughts?
As always, your help is much valued and appreciated.
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