[armyradios] Plated steel in WW II

[ed sharpe]

I think zinc and cadmium?
----- Original Message -----
From: "J. Forster" <jfor at quik.com>
To: "(Military Vehicles Mailing List)" <mil-veh at mil-veh.org>
Cc: "armyradios at egroups.com" <armyradios at yahoogroups.com>;
<BOATANCHORS at LISTSERV.TEMPE.GOV>; <CMP at yahoogroups.com>; "Milsurplus"
<milsurplus at mailman.qth.net>
Sent: Wednesday, January 23, 2002 11:52 PM
Subject: [armyradios] Plated steel in WW II


> Does anyone know what plating materials were used on steel in WW II,
especially
> on things such as mounts for radios, brackets, and antennas?. I am trying
to
> restore some equipment and the plating is bad in places, which has left
the
> underlying steel exposed, leading to some surface rust. The items are
rare.
>
> Basically, many items formed from sheet steel  were subsequently plated
with a
> bright greyish coating, not shiney but matte. Over time, the coating turns
dull
> grey when exposed to air. Sometimes black blotches appear, and sometimes
there
> are black fingerprints. The plating can be cleaned up some, but where
rusted,
> needs to be redone. Does anyone know if it's Zinc, Cadmuim, or something
else?
> How can you tell? Are there any simple chemical tests?
>
> The equipment includes the following:  No 19 MK II and MK III carrier,
control
> box bases, 6 & 12 pt connector shells, and handles (MK II was radio used
in some
> Shermans) and the AN/APN-2 'Rebecca' antennas, among other things.
>
> Also, does anyone know of someone who can duplicate this plating?
>
> TIA,
> John
>
>
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