[Public-list] Marine Alloys of bronze

[George Dinwiddie]

Hmmm...  They seem to use numerical indicators for the alloys here in 
the lower colonies.  I'll have to research the equivalence.

  - George

Gordon Laco wrote:
> OK - I am back in the office... Am not going to go for the wooden boat.  She
> is a Concordia yawl - but rescuing her is beyond my means.  I must be
> becoming an adult to come to such a rational conclusion...
> 
> Alloys:
> 
> LG2 Gunmetal: 
> 
> 85% copper, 5% lead, 5% tin, 5% zinc.
> 
> This alloy is good for portlights, cleats, chocks etc.  Yes, it was once
> used for cannon.
> 
> AB2 Aluminium Bronze:
> 
> 83% copper, 10% aluminium, 5% nickel, 3% iron
> 
> Very stiff and strong - great where hardness and strength are required.
> Good for chainplates, lifeline stanchions, shackles etc.
> 
> Silicon Bronze
> 
> Sorry, don't have the ingredients for this one but it is good for similar
> applications to that of AB2, but is not so expensive.  You see this one most
> often in turnbuckles, toggles, pins, fastenings etc.
> 
> Gord #426 Surprise
>  
> 
> 
> 
> 
> 
> 
> 
>> Gord,
>>
>> Do you remember the name of the proper alloy of Auminum Bronze?  Metal
>> dealers often sell their offcuts on Ebay.  I've seen Aluminum Bronze,
>> but never Silicon Bronze.
>>
>> - George

-- 
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   I think how evening follows morn;            gdinwiddie at alberg30.org
   So many I loved were not yet dead,           http://www.Alberg30.org
   So many I love were not yet born.
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