ข้อมูลทางเทคนิค ข้อมูลทางเทคนิค
Melting point and specific gravity of jewellery alloys
 

Metal Melting Point °F Melting Point °C Specific Gravity
Gold 1945 1063
 19.36
18ct green 1810 988 15.90
18ct yellow 1700 927
 15.58
18ct white 1730 943 14.64
18ct red 1655 902
 15.18
14ct green 1765 963 14.20
14ct yellow 1615 879 13.07
14ct white 1825 996
 12.61
14ct red 1715 935 13.26
10ct green 1580 860 11.03
10ct yellow 1665 907
 11.57
10ct white 1975 1079 11.07
10ct red 1760 960
 11.59
Platinum 3224 1773
 21.45
15% iridio Plat 3310 1821 21.59
10% iridio Plat 3250 1788 21.54
5% iridio Plat 3235 1779 21.5
Silver 1761 961 10.53
Sterling 1640 893 10.40
Coin 1615 879 10.35