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ABS vs. ASTM A217 Cast Steel

ABS and ASTM A217 cast steel belong to fundamentally different material chemistries. ABS is a polymeric material, while ASTM A217 cast 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 (30, 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 ASTM A217 cast 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
190
Elongation at Break, % 3.5 to 50
21 to 27
Stiffness to Weight: Axial, points 0.79 to 1.4
13 to 14
Stiffness to Weight: Bending, points 30 to 44
24 to 25
Strength to Weight: Axial, points 10 to 22
19 to 25
Strength to Weight: Bending, points 24 to 37
19 to 23
Tensile Strength: Ultimate (UTS), MPa 37 to 110
540 to 710
Thermal Expansion, µm/m-K 81 to 95
13
Thermal Shock Resistance, points 11 to 50
16 to 20