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SAE-AISI 4150 Steel vs. EVA

SAE-AISI 4150 steel and EVA belong to fundamentally different material chemistries. SAE-AISI 4150 steel is a metal, while EVA is a polymeric material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 12 material properties with values for both materials. Properties with values for just one material (23, 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 EVA.

SAE-AISI 4150 (G41500) Cr-Mo SteelEthylene Vinyl Acetate (EVA)
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
0.015 to 0.080
Elongation at Break, % 12 to 20
300 to 800
Tensile Strength: Ultimate (UTS), MPa 660 to 1310
3.0 to 35

Thermal Properties

Melting Onset (Solidus), °C 1420
55 to 95
Specific Heat Capacity, J/kg-K 470
1400
Thermal Conductivity, W/m-K 42
0.34

Otherwise Unclassified Properties

Density, g/cm3 7.8
0.93 to 1.0

Common Calculations

Stiffness to Weight: Axial, points 13
0.0087 to 0.048
Stiffness to Weight: Bending, points 24
8.6 to 15
Strength to Weight: Axial, points 24 to 47
0.87 to 10
Strength to Weight: Bending, points 22 to 34
4.8 to 26
Thermal Diffusivity, mm2/s 11
0.25 to 0.26