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ACI-ASTM CB7Cu-2 Steel vs. Cork

ACI-ASTM CB7Cu-2 steel and cork belong to fundamentally different material chemistries. ACI-ASTM CB7Cu-2 steel is a metal, while cork is a polymeric material. 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 (18, 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 ACI-ASTM CB7Cu-2 steel and the bottom bar is cork.

ACI-ASTM CB7Cu-2 (J92110) Cast Stainless SteelCork
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
0.020
Elongation at Break, % 5.7 to 11
15
Shear Modulus, GPa 75
0.010
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
0.85

Thermal Properties

Specific Heat Capacity, J/kg-K 480
2000
Thermal Conductivity, W/m-K 17
0.040
Thermal Expansion, µm/m-K 11
200

Otherwise Unclassified Properties

Density, g/cm3 7.8
0.15

Common Calculations

Stiffness to Weight: Axial, points 14
0.074
Stiffness to Weight: Bending, points 25
60
Strength to Weight: Axial, points 34 to 48
1.6
Strength to Weight: Bending, points 28 to 35
13
Thermal Diffusivity, mm2/s 4.6
0.13
Thermal Shock Resistance, points 32 to 45
16