SPARK682H

Master alloy for the production of yellow 585 – 750 – 917 ‰ gold jewellery obtained by investment casting. The elements contained in this product ensure a high deoxidation in casting and a high surface quality, making it suitable for castings with and without stones in place. The use is suggested with the addition of 10 – 40 % of pure silver to the master alloy.

585 ‰

750 ‰

917 ‰

Hardness as cast

161 HV

156 HV

84 HV

80 HV

Density

14.87 g/cm3

15 g/cm3

17.82 g/cm3

17.10 g/cm3

Melting Range

Solidus: 784 °C
Liquidus: 831 °C

Solidus: 852 °C
Liquidus: 864 °C

Solidus: 910 °C
Liquidus: 955 °C

Solidus: 910 °C
Liquidus: 960 °C

Description

SPARK682H

	585 ‰	750 ‰	917 ‰	917 ‰
Hardness as cast	161 HV	156 HV	84 HV	80 HV
Density	14.87 g/cm3	15 g/cm3	17.82 g/cm3	17.10 g/cm3
Melting Range	Solidus: 784 °C Liquidus: 831 °C	Solidus: 852 °C Liquidus: 864 °C	Solidus: 910 °C Liquidus: 955 °C	Solidus: 910 °C Liquidus: 960 °C