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Cork vs. ACI-ASTM CD6MN Steel

Cork and ACI-ASTM CD6MN steel belong to fundamentally different material chemistries. Cork is a polymeric material, while ACI-ASTM CD6MN steel is a metal. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 14 material properties with values for both materials. Properties with values for just one material (19, 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 cork and the bottom bar is ACI-ASTM CD6MN steel.

CorkACI-ASTM CD6MN (ASTM A890 Grade 3A, J93371) Cast Stainless Steel
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 0.020
200
Elongation at Break, % 15
28
Shear Modulus, GPa 0.010
80
Tensile Strength: Ultimate (UTS), MPa 0.85
730

Thermal Properties

Specific Heat Capacity, J/kg-K 2000
480
Thermal Conductivity, W/m-K 0.040
16
Thermal Expansion, µm/m-K 200
13

Otherwise Unclassified Properties

Density, g/cm3 0.15
7.7

Common Calculations

Stiffness to Weight: Axial, points 0.074
15
Stiffness to Weight: Bending, points 60
25
Strength to Weight: Axial, points 1.6
26
Strength to Weight: Bending, points 13
23
Thermal Diffusivity, mm2/s 0.13
4.4
Thermal Shock Resistance, points 16
20