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SAE-AISI 1010 Steel vs. Hafnia

SAE-AISI 1010 steel and hafnia belong to fundamentally different material chemistries. SAE-AISI 1010 steel is a metal, while hafnia is a ceramic material. 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 SAE-AISI 1010 steel and the bottom bar is hafnia.

Metric UnitsUS Customary Units

Material Properties

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