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ACI-ASTM CA40 Steel vs. POM-H

ACI-ASTM CA40 steel and POM-H belong to fundamentally different material chemistries. ACI-ASTM CA40 steel is a metal, while POM-H is a polymeric material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 6 material properties with values for both materials. Properties with values for just one material (28, 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-H.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 7.7
1.4 to 1.6
Elongation at Break, % 10
7.0 to 55
Specific Heat Capacity, J/kg-K 480
1250 to 1460
Strength to Weight: Axial, points 33
11 to 13
Strength to Weight: Bending, points 27
22 to 26
Tensile Strength: Ultimate (UTS), MPa 910
60 to 67