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ABS vs. SAE-AISI O7 Steel

ABS and SAE-AISI O7 steel belong to fundamentally different material chemistries. ABS is a polymeric material, while SAE-AISI O7 steel is a metal. 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 (24, 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 ABS and the bottom bar is SAE-AISI O7 steel.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.0 to 1.4
7.9
Elastic (Young's, Tensile) Modulus, GPa 2.0 to 2.6
190
Stiffness to Weight: Axial, points 0.79 to 1.4
13
Stiffness to Weight: Bending, points 30 to 44
24
Strength to Weight: Axial, points 10 to 22
24 to 74
Strength to Weight: Bending, points 24 to 37
22 to 46
Tensile Strength: Ultimate (UTS), MPa 37 to 110
680 to 2110
Thermal Expansion, µm/m-K 81 to 95
12
Thermal Shock Resistance, points 11 to 50
23 to 70