Re: [CAD_CAM_EDM_DRO] Alumin(i)um question for UK members

Hi, boy it is getting to be a long time, but i wunder if it was an alum
called duralum, i think it had copper and zinc, found its uses for things
like fountain rollers on an offset printing press, where water and fountain
solution covered that roller during printing.
if you find a roller of alum and it squeals when cutting and uses a lot of
power it probably is duralum. that is all i remember. cul brian f.

----- Original Message -----
From: "Randy Gordon-Gilmore" <zephyrus@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Monday, February 28, 2005 2:59 PM
Subject: [CAD_CAM_EDM_DRO] Alumin(i)um question for UK members


>
> In an old magazine, I read a mention of "Alcoa 946" aluminum alloy,
> which is supposed to be more wear resistant than mild steel while
> still easily machinable and with good corrosion resistance. I have
> not been able to find any more details on this alloy, and Alcoa here
> in the States has never heard of it (and does not use a numbering
> system like that).
>
> Does anyone in the UK know what this alloy might be? I'd like to find
> out at least the composition to compare with what might be available
> here in the US. I have the feeling it might be one of the marine
> alloys.
>
> Thanks,
>
> Randy
>
>
>
>
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