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Annealed 90-platinum 10-iridium vs. Annealed K93600

Annealed 90-platinum 10-iridium belongs to the otherwise unclassified metals classification, while annealed K93600 belongs to the iron alloys. There are 12 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 K93600.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 34
35
Shear Strength, MPa 220
320
Tensile Strength: Ultimate (UTS), MPa 330
480

Thermal Properties

Specific Heat Capacity, J/kg-K 130
520
Thermal Expansion, µm/m-K 8.6
7.3

Otherwise Unclassified Properties

Density, g/cm3 22
8.1

Common Calculations

Stiffness to Weight: Axial, points 5.3
9.4
Stiffness to Weight: Bending, points 9.1
21
Strength to Weight: Axial, points 4.2
16
Strength to Weight: Bending, points 4.9
17
Thermal Shock Resistance, points 13
34