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SAE-AISI 4150 Steel vs. ABS

SAE-AISI 4150 steel and ABS belong to fundamentally different material chemistries. SAE-AISI 4150 steel is a metal, while ABS 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 (29, 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 SAE-AISI 4150 steel and the bottom bar is ABS.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 7.8
1.0 to 1.4
Elastic (Young's, Tensile) Modulus, GPa 190
2.0 to 2.6
Elongation at Break, % 12 to 20
3.5 to 50
Stiffness to Weight: Axial, points 13
0.79 to 1.4
Stiffness to Weight: Bending, points 24
30 to 44
Strength to Weight: Axial, points 24 to 47
10 to 22
Strength to Weight: Bending, points 22 to 34
24 to 37
Tensile Strength: Ultimate (UTS), MPa 660 to 1310
37 to 110
Thermal Expansion, µm/m-K 13
81 to 95
Thermal Shock Resistance, points 19 to 39
11 to 50