Density of Common Platinum Alloys

The density of platinum alloys can vary depending on the specific composition of the alloy. In general, platinum and its alloys are known for their high density. These alloys are commonly used in jewelry, industrial applications, and as catalysts due to their desirable properties such as high melting points, corrosion resistance, and catalytic activity.

The following table provides a list of density values for various platinum alloys at standard room temperature (approximately 20°C or 68°F) and 1 atmospheric (atm) pressure. (1 atm = 101,325 Pa)

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Density of Platinum Alloys
95Pt-5Au21000
95Pt-5Ir21490
90Pt-10Ir21560
85Pt-15Ir21570
80Pt-20Ir21610
75Pt-25Ir21680
70Pt-30Ir21740
65Pt-35Ir21800
95Pt-5Ni20800
90Pt-10Ni20200
85Pt-15Ni19600
80Pt-20Ni18900
80Pt-20Pd19600
60Pt-40Pd17700
95Pt-5Rh20650
90Pt-10Rh19970
80Pt-20Rh18740
70Pt-30Rh17620
60Pt-40Rh16630
95Pt-5Ru20570
90Pt-10Ru19960
86Pt-14Ru19960
98Pt-2W21400
96Pt-4W21400
94Pt-6W21300
92Pt-8W21300
References: 1) Cardarelli, François. Materials Handbook: A Concise Desktop Reference. Switzerland: Springer International Publishing, 2018. 2) Metals Handbook Desk Edition 2nd Edition by J. R. Davis, ASM International Handbook Committee.