[modeleng] Re: Gunmetal / bronze

I have heard that aluminium bronze is difficult to machine so I am wondering 
if possibly those pieces of brownish coloured wear strip I have might be 
aluminium bronze.  You British chaps will note that I have spelt aluminium 
and coloured correctly!  On occasion, I get brass castings that have a 
little speck of aluminium showing on them and frequently that is quite hard. 
The foundry moulds both brass and aluminium so sometimes a speck of 
aluminium will be hidden in the moulding sand and fuse with the casting.

Jesse in cool damp, but not actually raining West Tennessee 

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