Master alloy for yellow gold 9, 10, 14, 21 and 22K.
The formulation of SY 271 A makes it suitable for mechanical works, in higher carats this alloy is suitable also for casting.
Technical chart
Cu% | 85 |
---|---|
Ag% | 5 |
Zn% | 10 |
Carats | 9k, 10k, 14k, 22k, 21k |
Color | Yellow |
Master alloy for yellow gold 9, 10, 14, 21 and 22K. The formulation of SY 271 A makes it suitable for mechanical works, in higher carats this alloy is suitable also for casting. The colour obtained with SY 271 A is pink for 9K and a rich yellow shade for higher karats. The hardness of gold produced with SY 271 A can’t be increased with heat treatment.
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