[TheForge] Bronze casting

Wed Dec 3 00:25:59 2003

Rich:
Phos bronze forges very nicely and the finished product is nice and 
strong...also there is little zinc to fume on you. The al-bronze has a 
narrower forging temperature range but is light and stiff. I think 
you'll find that it works easily enough to render casting  
unnecessary.....Pete F

Rich Maynard wrote:

>I may have forgotten to mention that I'm in the UK. We can't just pop down
>to Walmart and pick up some Naval bronze, you know! After a brief trawl
>around, the bronzes I can easily get hold of are a phosphor bronze
>
>Cu  %  REM        Ni  %  0.10 max.
>Sn  %  10.0-11.5  Fe  %  0.10 max.
>Zn  %  0.05 max.  Si  %  0.02 max.
>Pb  %  0.25 max.  S   %  0.05 max.
>P   %  0.50-1.00
>
>or a nickel aluminium bronze
>
>        Al    Fe   Ni   Mn   Si   Sn   Pb    Zn   other
>% min.  8.5   4.0  4.0  -    -    -    -     -    -
>% max.  10.0  5.5  5.5  0.5  0.1  0.1  0.05  0.4  0.05
>
>(which 'meets Admiralty standards!')
>
>I'd be interested in giving this a go - are either of these worth trying?
>
>Thanks for the help so far,
>
>Rich.
>
>
>
>Richard Maynard
>[email protected]
>
>  
>
>>-----Original Message-----
>>From: [email protected]
>>[mailto:[email protected]]On Behalf Of Ries Niemi
>>Sent: 02 December 2003 17:26
>>To: [email protected]
>>Subject: Re: [TheForge] Bronze casting
>>
>>
>>
>>I second Petes suggestion- forge it instead of casting. Quicker,
>>easier, and more authentic. I assure you that no bronze age archer had
>>a quiver of arrowheads all exactly alike.
>>I would suggest actually buying bronze new, so you can be sure to get a
>>nice forgeable alloy, as there are hundreds of different bronzes, and
>>some are NOT forgeable. I would suggest a silicon bronze, 655, or a
>>naval bronze, 465, both are pretty easily forged provided you do not
>>get them too hot or work them too cold. Just like the three bears, you
>>have to work bronze at the "just right" heat. But when you do, it is
>>like forging butter. Bronze is best forged in a semi-dark room, and be
>>sure to allow a little extra for mistakes along the learning curve.
>>Arrowheads could be forged quite nicely from 1/2" round, and you could
>>work your way down a piece- ie start forging a point at one end, then
>>cut it off after you have it sharpened to your satisfaction, and do the
>>next. That way you dont even need tongs as long as you get a piece of
>>bronze 2- 3 feet long.
>>
>>ries
>>
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