Metal Prices

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Metal Melting Points

Metal/Alloy °F °C Recommended Flux
Aluminum 1220 600 Potassium Chloride
Aluminum Bronze
(Copper 85-95%, Aluminum 5-15%)
     
Brass (red)
(Copper 90%, Zinc 10%)
(Copper 85%, Tin 5%, Lead 5%, Zinc 5%)
1710 930 Borax
Brass (yellow)
(Copper 85%, Zinc 15%)
1710 930 Borax
Copper 1983 1084  
Gold 1945 1063  
Iron 2100 1149  
Lead 621 327.5  
Nickel 2647 1453  
Nordic Gold
(Copper 89%, Aluminum 5%, Zinc 5%, Tin 1%)
     
Platinum 3220 1770  
Silver 1761 961  
Steel
(For reference only!)
2500 1370  
Sterling Silver 1640 893  
Tin 449.4 232  
Titanium 3040 1670  
Zinc 787 419.5  

Foundry - Supplies | Foundry - Crucibles | Foundry - Fluxes


Metal Recovery

Gold

"Dilute Nitric Acid" - 68% concentrated nitric acid

Approximately 3.5ml nitric acid per gram of gold filled scrap

Nitric Acid will disolve:

Copper

Sulphuric Acid + copper = copper sulfate


Currencies vs. US Dollar

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