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SF 221 Y
Master alloy for 18K yellow gold mechanical works.
The most notable feature of this alloy is its high brightness and high hardness.
Technical chartAdditional Information
| Cu% | 57 |
|---|---|
| Ag% | 35 |
| Zn% | 8 |
| Carats | 18k |
| Color | Yellow |
Master alloy for yellow gold 18K. The formulation of SF 221 Y makes it suitable for mechanical works. The most notable feature of this alloy is its high brightness after polishing, together with high hardness. The colour obtained with SF 221 Y is rich yellow. The hardness of gold produced with SF 221 Y can be increased with heat treatment
Applications
18k ↓
Plates
4
Solid chains
4
Hollow chains
4
Soldered tubes
4
CNC & cut
3
Open casting
*
Closed casting
*
Wax setting
*
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