STAR331HB

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

167 HV

155 HV

Density

13.36 g/cm3

15.17 g/cm3

Melting Range

Solidus: 792 °C
Liquidus: 843 °C

Solidus: 860 °C
Liquidus: 878 °C

Description

STAR331HB

	585 ‰	750 ‰
Hardness as cast	167 HV	155 HV
Density	13.36 g/cm3	15.17 g/cm3
Melting Range	Solidus: 792 °C Liquidus: 843 °C	Solidus: 860 °C Liquidus: 878 °C