Re: Alumin(i)um question for UK members

--- In CAD_CAM_EDM_DRO@yahoogroups.com, Randy Gordon-Gilmore
<zephyrus@r...> wrote:

> 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

aluminum is never harder than steel but can be anodized to create a
ceramic like aluminum oxide which works well with nylon or teflon
based bearings. 6061 anodizes well and pacific bearings or thompson
are 2 sources eck