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Annealed 90-platinum 10-iridium vs. Annealed Nickel 600

Annealed 90-platinum 10-iridium belongs to the otherwise unclassified metals classification, while annealed nickel 600 belongs to the nickel alloys. There are 16 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is annealed 90-platinum 10-iridium and the bottom bar is annealed nickel 600.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
35
Poisson's Ratio 0.38
0.29
Shear Modulus, GPa 74
75
Shear Strength, MPa 220
440
Tensile Strength: Ultimate (UTS), MPa 330
650

Thermal Properties

Latent Heat of Fusion, J/g 100
310
Melting Completion (Liquidus), °C 1830
1410
Specific Heat Capacity, J/kg-K 130
460
Thermal Expansion, µm/m-K 8.6
13

Otherwise Unclassified Properties

Density, g/cm3 22
8.5

Common Calculations

Stiffness to Weight: Axial, points 5.3
13
Stiffness to Weight: Bending, points 9.1
23
Strength to Weight: Axial, points 4.2
21
Strength to Weight: Bending, points 4.9
20
Thermal Shock Resistance, points 13
19

Alloy Composition


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Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
14 to 17
Copper (Cu), % 0
0 to 0.5
Iridium (Ir), % 9.5 to 10.5
0
Iron (Fe), % 0
6.0 to 10
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
72 to 80
Platinum (Pt), % 89.3 to 90.5
0
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Residuals, % 0 to 0.2
0