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ACI-ASTM CA40 Steel vs. PAS

ACI-ASTM CA40 steel and PAS belong to fundamentally different material chemistries. ACI-ASTM CA40 steel is a metal, while PAS is a polymeric material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 10 material properties with values for both materials. Properties with values for just one material (35, 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 PAS.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 7.7
1.4
Elastic (Young's, Tensile) Modulus, GPa 190
2.7
Elongation at Break, % 10
40
Stiffness to Weight: Axial, points 14
1.1
Stiffness to Weight: Bending, points 25
34
Strength to Weight: Axial, points 33
17
Strength to Weight: Bending, points 27
31
Tensile Strength: Ultimate (UTS), MPa 910
83
Thermal Expansion, µm/m-K 10
49
Thermal Shock Resistance, points 33
45