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AWS ERNiMo-3 vs. MDF

AWS ERNiMo-3 and MDF belong to fundamentally different material chemistries. AWS ERNiMo-3 is a metal, while MDF is a polymeric material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 12 material properties with values for both materials. Properties with values for just one material (12, 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 AWS ERNiMo-3 and the bottom bar is MDF.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
4.0
Poisson's Ratio 0.3
0.25
Shear Modulus, GPa 83
2.5
Tensile Strength: Ultimate (UTS), MPa 770
18

Thermal Properties

Specific Heat Capacity, J/kg-K 400
1700
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Density, g/cm3 9.1
0.75

Common Calculations

Stiffness to Weight: Axial, points 13
3.0
Stiffness to Weight: Bending, points 22
71
Strength to Weight: Axial, points 24
6.7
Strength to Weight: Bending, points 21
20
Thermal Shock Resistance, points 24
27