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Grade 350 Maraging Steel vs. Aluminum Nitride

Grade 350 maraging steel and aluminum nitride belong to fundamentally different material chemistries. Grade 350 maraging steel is a metal, while aluminum nitride is a ceramic material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 8 material properties with values for both materials. Properties with values for just one material (30, 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 grade 350 maraging steel and the bottom bar is aluminum nitride.

Metric UnitsUS Customary Units

Material Properties

Compressive (Crushing) Strength, MPa 750 to 2400
2100
Density, g/cm3 8.2
2.9 to 3.3
Elastic (Young's, Tensile) Modulus, GPa 190
330
Poisson's Ratio 0.3
0.21 to 0.31
Specific Heat Capacity, J/kg-K 450
780
Stiffness to Weight: Axial, points 13
55 to 63
Stiffness to Weight: Bending, points 23
69 to 80
Thermal Expansion, µm/m-K 12
4.2 to 5.4