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Appendix D
Page D-1
Appendix D
Alloy Compositions and Melting Points
Casting
Specific
% % % % %
Melting Temp
Alloy/Metal
Gravity Gold Silver Copper Zinc
Other
Point
°C/°F
Brass
8.5
70
30
954°C / 1749°F
Red Brass
8.8
90
10
1044°C / 1910°F
Bronze
8.8
96
4 Tin
1060°C / 1945°F
Nu-Gold
8.7
88
12
1030°C / 1886°F
Copper Cu
8.9
100
1083°C / 1981°F
Gold (Fine) Au
19.3
100
1063°C / 1945°F
22K Yellow Gold
17.3
92
4
4
977°C / 1790°F
18K Yellow Gold
15.5
75
15
10
882°C / 1620°F
18K Yellow Gold
15.5
75
12.5
12.5
904°C / 1660°F
18K Green Gold
15.6
75
25
966°C / 1770°F
18K Rose Gold
15.5
75
5
20
932°C / 1710°F
18K White Gold
15.7
75
25 Palladium
904°C / 1660°F
14K Yellow Gold
13.4
58
25
17
802°C / 1476°F
14K Green Gold
13.6
58
35
7
835°C / 1535°F
14K Rose Gold
13.4
58
10
32
827°C / 1520°F
14K White Gold
13.7
58
42 Palladium
927°C / 1700°F
10K Yellow Gold
11.6
42
12
41
5
786°C / 1447°F
10K Yellow Gold
11.6
42
7
48
3
876°C / 1609°F
10K Green Gold
11.7
42
58
804°C / 1480°F
10K Rose Gold
11.6
42
10
48
810°C / 1490°F
10K White Gold
11.8
42
58 Palladium
927°C / 1760°F
Nickel (German)
8.8
65
17
18 Nickel
1110°C / 2030°F
Silver
Coin Silver
10.3
90
10
890°C / 1634°F
Sterling
10.4
92.5
7.5
893°C / 1640°F
Silver (Fine) Ag
10.6
100
961°C / 1762°F
Use this chart to record the casting temperatures of the various metals you use. As a general rule,
the casting temperature will be anywhere from 50°C to 100°C (90°F to 180°F) higher than the
melting point of the metal.