Yellow Gold Master Alloys
| MASTER ALLOYS | CASTING | MECHANICAL WORKING | UNIVERSAL (CASTING MECHANICAL WORKING) |
| Higher Karatage | 3N/l (18KT Italian Yellow) | 2P21/22R (18-22KT Deep Yellow) | 2PYH/U (21-22KT Natural Yellow - Popular) |
| 2PY/31 (18KT-22KT Natural Yellow) | 2P1822/AM (18-22KT Rich Yellow) | ||
| 2PYH/C (22KT Hard Alloy) | |||
| 2PY/39 (18KT Rich Yellow) | |||
| 2PV/22 (18KT Yellow Economical) | |||
| Lower Karatage | 2PYL/11 (9-14KT Hamilton Yellow) | 2PYL/15 (9-14KT Rich Yellow-Popular) | |
| 2PY/22 (9-22KT Hamilton Yellow) | 2PYL/10 (9-14KT Natural Yellow-Economical) | ||
| 2PYL/15S (9-14KT Natural Yellow) |
