375 ‰Description
SPARK328L
Master alloy for the production of yellow 375 – 417 – 585 – 750 ‰ gold jewellery obtained by investment casting. The elements contained in this product ensure a high deoxidation in casting and a high surface quality, making it suitable for castings with and without stones in place.
| 375 ‰ | 417 ‰ | 585 ‰ | 750 ‰ | |
| Hardness as cast | 125 HV | 130 HV | 140 HV | 145 HV |
| Density | 11.25 g/cm3 | 11.55 g/cm3 | 13.01 g/cm3 | 14.85 g/cm3 |
| Melting Range | Solidus: 765 °C Liquidus: 874 °C |
Solidus: 798 °C Liquidus: 881 °C |
Solidus: 795 °C Liquidus: 857 °C |
Solidus: 828 °C Liquidus: 865 °C |
