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ACI-ASTM CA40 Steel vs. POM-C

ACI-ASTM CA40 steel and POM-C belong to fundamentally different material chemistries. ACI-ASTM CA40 steel is a metal, while POM-C is a polymeric material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 9 material properties with values for both materials. Properties with values for just one material (27, 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 CA40 steel and the bottom bar is POM-C.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 7.7
1.4 to 1.6
Elastic (Young's, Tensile) Modulus, GPa 190
2.8 to 9.7
Elongation at Break, % 10
3.0 to 65
Specific Heat Capacity, J/kg-K 480
1130 to 1370
Stiffness to Weight: Axial, points 14
1.1 to 3.3
Stiffness to Weight: Bending, points 25
33 to 44
Strength to Weight: Axial, points 33
12 to 19
Strength to Weight: Bending, points 27
24 to 32
Tensile Strength: Ultimate (UTS), MPa 910
61 to 110