585 ‰Description
STAR220R
Universal master alloy for the production of white 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 | 154 HV | 186 HV | ||
| Density | 12.75 g/cm3 | 14.67 g/cm3 | ||
| Melting Range | Solidus: 926 °C Liquidus: 967 °C |
Solidus: 902 °C Liquidus: 927 °C |
