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Scrap brass from bullet cases?
Weaponeer Forums : Casting

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  cantthink

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Posted: January 05 2011 at 10:38pm | IP Logged Quote cantthink

I have a decent pile of scrap bullet brass that is dented or calibers I don't own (picked up at the range)

Would this stuff be any good for casting?  I've done AL in the past and would need to update some of the stuff I have so it can get hot enough for brass.....but it might be worth it if I can make cool parts out of it.  I'm thinking triggers and some internal linkage stuff ...and maybe some fancier stuff later if it works.

is the alloy of brass strong enough?

would primers need to be removed?
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  tommerr

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Posted: January 06 2011 at 7:41am | IP Logged Quote tommerr

Cartridge brass is good stuff. I would remove the primers and give them a bit of cleaning. The less junk in the melting pot, the better.
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  weaponeer

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Posted: January 06 2011 at 2:11pm | IP Logged Quote weaponeer

personally I would likely sell the brass as scrap, and then use the money to buy some that is pure and a known quality.
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  cantthink

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Posted: January 06 2011 at 4:56pm | IP Logged Quote cantthink

I tried selling a bag full of scrap brass to a scrap metal place and only got like 17$ for it.....

...plus it would lack the cool factor if I were to buy it!

I'll see what I can come up with when the weather gets a bit warmer....  If anyone has thier foundry up and working...I'd love to see what your brass looks like after melting down old casings.....
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  weaponeer

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Posted: January 06 2011 at 5:53pm | IP Logged Quote weaponeer

I HAVE TO AGREE ON THE COOL FACTOR!!! 
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  Master of the Bats

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Posted: January 06 2011 at 6:51pm | IP Logged Quote Master of the Bats

cantthink:
I use it (range brass pick ups) all the time for casting... I generly mix in some old plumbing fixtures (as they are silicon bronze) :
   but like tommer said take the primers out (they have some steel in them) then clean the brass. it will work a lot better than U'd think & there is a bit "cool" factor in it as well.... I'll try ta find some pictures of stuff I've casted & post for ya....I've also used old brass keys &/or wrong cutbrass keys too cast with...
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  Chris42

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Posted: January 02 2012 at 12:22pm | IP Logged Quote Chris42

I have melted brass shells and cast from them. After cleaning out primers, etc. the stuff melts well but I have come across a lot of powder residue on the melt. While this naturally gets skimmed off, it is about the dirtiest metal I have ever melted.

Be careful too about how long you heat a brass melt. Heat it too long and the zinc starts burning out of it. It will create a white powder and something that looks like white stringy snow flakes. While I will assume all zinc fumes can be dangerous, this over heating also changes the alloy mix of the brass. Cook it long enough and you'll end up with just copper.
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  joewy

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Posted: February 05 2012 at 1:05am | IP Logged Quote joewy

Cartrige brass is not a good casting alloy.

But it is a good forging alloy. You can heat it till it is stickey and hammer it together to form larger pieces. then you can roll them or flatrten them to make many acessories such as buckels and d-rings.

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