Description
STAR215
Universal master alloy for the production of white 375 – 417 – 585 – 750 ‰ gold jewellery obtained by investment casting and mechanical working. The elements contained in this product ensure a high surface quality in investment casting, while in mechanical working a high deformation capability thanks the small grain structure, making it suitable for the production of hand and machine made hollow and solid chains, deep drawn items and tube.
| 375 ‰ | 417 ‰ | 585 ‰ | 750 ‰ | |
| Hardness as cast | 120 HV | 123 HV | 140 HV | 196 HV |
| Density | 10.94 g/cm3 | 10.94 g/cm3 | 12.74 g/cm3 | 14.66 g/cm3 |
| Melting Range | Solidus: 977 °C Liquidus: 1043 °C |
Solidus: 977 °C Liquidus: 1043 °C |
Solidus: 908 °C Liquidus: 954 °C |
Solidus: 896 °C Liquidus: 917 °C |

375 ‰