Semi Finished Jewellery | Master Alloys
Platinum Alloys
Heraeus supplies various kinds of platinum alloys for different production purpose. Platinum alloy is a very unforgiving alloy for production since it is very sensitive towards contamination. Because of this reason, Heraeus uses only the purest raw materials for the production of the platinum alloys. Also, the fineness of our platinum alloys is carefully controlled. Insufficient hardness is one of the limitation of platinum alloys. Heraeus has thus developed some platinum alloys with extra-high hardness to cope with our customers’ demand. soldering master alloys are cadmium free and it will no longer be hazardous to health.
Alloy Model
PT Content (%)
Other Content
Hardness (HV)
Density (g/cm³)
Application
Melting Temperature/°C
Pt900
90
Pd
80
19.8
Casting, Rolling
1740 – 1755
Pt900
90
Pd
80
19.8
Casting, Rolling
1740 – 1755
Pt900H
90
Pd, Ru
100
20
Casting, Rolling
1750 – 1770
Pt900I
90
Ir
110
21.5
Casting, Rolling
1780 – 1800
Pt950
95
Pd
60
20.7
Casting, Rolling
1755 – 1765
Pt950I
95
Ir
80
21.4
Casting, Rolling
1780 – 1790
Pt950R
95
Ru
130
20.8
Casting, Rolling
1785 – 1900
