375 ‰Description
STAR182R
Universal master alloy for the production of red 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 | 150 HV | 125 HV | 160 HV | 180 HV |
| Density | 11.2 g/cm3 | 11.55 g/cm3 | 13 g/cm3 | 14.9 g/cm3 |
| Melting Range | Solidus: 845 °C Liquidus: 940 °C |
Solidus: 846 °C Liquidus: 925 °C |
Solidus: 865 °C Liquidus: 905 °C |
Solidus: 880 °C Liquidus: 900 °C |
