375 ‰Description
STAR193R
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 | 96 HV | 152 HV | 120 HV | 223 HV |
| Density | 11.1 g/cm3 | 11.48 g/cm3 | 12.82 g/cm3 | 14.79 g/cm3 |
| Melting Range | Solidus: 949 °C Liquidus: 977 °C |
Solidus: 941 °C Liquidus: 975 °C |
Solidus: 921 °C Liquidus: 936 °C |
Solidus: 900 °C Liquidus: 906 °C |
