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ABS vs. 5449 Aluminum

ABS and 5449 aluminum belong to fundamentally different material chemistries. ABS is a polymeric material, while 5449 aluminum is a metal. 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 (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 ABS and the bottom bar is 5449 aluminum.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.0 to 1.4
2.8
Elastic (Young's, Tensile) Modulus, GPa 2.0 to 2.6
69
Elongation at Break, % 3.5 to 50
4.0 to 17
Stiffness to Weight: Axial, points 0.79 to 1.4
14
Stiffness to Weight: Bending, points 30 to 44
50
Strength to Weight: Axial, points 10 to 22
22 to 33
Strength to Weight: Bending, points 24 to 37
29 to 39
Tensile Strength: Ultimate (UTS), MPa 37 to 110
210 to 330
Thermal Expansion, µm/m-K 81 to 95
23
Thermal Shock Resistance, points 11 to 50
9.4 to 15