Description
STAR181L
Universal master alloy for the production of red 375 – 417 – 585 ‰ 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 ‰ | ||
| Hardness as cast | 118 HV | 125 HV | 151 HV | |
| Density | 11.22 g/cm3 | 11.55 g/cm3 | 12.98 g/cm3 | |
| Melting Range | Solidus: 837 °C Liquidus: 933 °C |
Solidus: 846 °C Liquidus: 925 °C |
Solidus: 860 °C Liquidus: 900 °C |

375 ‰