Description
STAR357R
Universal master alloy for the production of yellow 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.
| 585 ‰ | 750 ‰ | |||
| Hardness as cast | 212 HV | 135 HV | ||
| Density | 15.35 g/cm3 | 16.93 g/cm3 | ||
| Melting Range | Solidus: 822 °C Liquidus: 834 °C |
Solidus: 862 °C Liquidus: 899 °C |

585 ‰