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SAE-AISI H14 Steel vs. 90-platinum 10-iridium

SAE-AISI H14 steel belongs to the iron alloys classification, while 90-platinum 10-iridium belongs to the otherwise unclassified metals. There are 13 material properties with values for both materials. Properties with values for just one material (13, 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 SAE-AISI H14 steel and the bottom bar is 90-platinum 10-iridium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.38
Shear Modulus, GPa 75
74
Tensile Strength: Ultimate (UTS), MPa 710 to 2030
330 to 550

Thermal Properties

Latent Heat of Fusion, J/g 270
100
Specific Heat Capacity, J/kg-K 460
130
Thermal Expansion, µm/m-K 11
8.6

Otherwise Unclassified Properties

Density, g/cm3 8.1
22

Common Calculations

Stiffness to Weight: Axial, points 13
5.3
Stiffness to Weight: Bending, points 24
9.1
Strength to Weight: Axial, points 24 to 69
4.2 to 7.1
Strength to Weight: Bending, points 22 to 44
4.9 to 6.9
Thermal Shock Resistance, points 24 to 68
13 to 22

Alloy Composition

Carbon (C), % 0.35 to 0.45
0
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
0
Iridium (Ir), % 0
9.5 to 10.5
Iron (Fe), % 86.5 to 89.9
0
Manganese (Mn), % 0.2 to 0.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Platinum (Pt), % 0
89.3 to 90.5
Silicon (Si), % 0.8 to 1.2
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 4.0 to 5.3
0
Residuals, % 0
0 to 0.2

Comparable Variants