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Hafnia vs. SAE-AISI 1010 Steel

Hafnia and SAE-AISI 1010 steel belong to fundamentally different material chemistries. Hafnia is a ceramic material, while SAE-AISI 1010 steel is a metal. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 10 material properties with values for both materials. Properties with values for just one material (23, in this case) are not shown.

For each property being compared, the top bar is hafnia and the bottom bar is SAE-AISI 1010 steel.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 9.7
7.9
Elastic (Young's, Tensile) Modulus, GPa 57
190
Maximum Temperature: Mechanical, °C 2800
400
Melting Onset (Solidus), °C 2900
1430
Specific Heat Capacity, J/kg-K 120
470
Stiffness to Weight: Axial, points 3.3
13
Stiffness to Weight: Bending, points 13
24
Thermal Conductivity, W/m-K 1.1
47
Thermal Diffusivity, mm2/s 0.95
13
Thermal Expansion, µm/m-K 6.0
12