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ABS vs. AISI 304N Stainless Steel

ABS and AISI 304N stainless steel belong to fundamentally different material chemistries. ABS is a polymeric material, while AISI 304N stainless steel 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 (31, 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 AISI 304N stainless steel.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.0 to 1.4
7.8
Elastic (Young's, Tensile) Modulus, GPa 2.0 to 2.6
200
Elongation at Break, % 3.5 to 50
9.1 to 45
Stiffness to Weight: Axial, points 0.79 to 1.4
14
Stiffness to Weight: Bending, points 30 to 44
25
Strength to Weight: Axial, points 10 to 22
22 to 42
Strength to Weight: Bending, points 24 to 37
21 to 32
Tensile Strength: Ultimate (UTS), MPa 37 to 110
620 to 1180
Thermal Expansion, µm/m-K 81 to 95
16
Thermal Shock Resistance, points 11 to 50
14 to 26