| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a gold alloy for casting excellent in mechanical property while showing rich golden color tone. <P>SOLUTION: This gold alloy for casting is characterized by comprising by mass% 70-75% Au, 6-13% Ag, 0.1-1% Pt, 11-15% Cu, 0.05-0.2% Ir, Ru, Rh and/or Re and 0.2-2% Zn. <P>COPYRIGHT: (C)2012,JPO&INPIT |
