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SAE-AISI H24 Steel vs. EN AC-43500 Aluminum

SAE-AISI H24 steel belongs to the iron alloys classification, while EN AC-43500 aluminum belongs to the aluminum alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, 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 H24 steel and the bottom bar is EN AC-43500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
72
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 78
27
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
220 to 300

Thermal Properties

Latent Heat of Fusion, J/g 240
550
Melting Completion (Liquidus), °C 1750
600
Melting Onset (Solidus), °C 1700
590
Specific Heat Capacity, J/kg-K 420
900
Thermal Conductivity, W/m-K 27
140
Thermal Expansion, µm/m-K 12
22

Otherwise Unclassified Properties

Base Metal Price, % relative 37
9.5
Density, g/cm3 9.1
2.6
Embodied Carbon, kg CO2/kg material 6.1
7.8
Embodied Energy, MJ/kg 93
150
Embodied Water, L/kg 78
1070

Common Calculations

Stiffness to Weight: Axial, points 12
16
Stiffness to Weight: Bending, points 22
54
Strength to Weight: Axial, points 22 to 61
24 to 33
Strength to Weight: Bending, points 20 to 39
32 to 39
Thermal Diffusivity, mm2/s 6.9
60
Thermal Shock Resistance, points 22 to 61
10 to 14

Alloy Composition

Aluminum (Al), % 0
86.4 to 90.5
Carbon (C), % 0.42 to 0.53
0
Chromium (Cr), % 2.5 to 3.5
0
Copper (Cu), % 0 to 0.25
0 to 0.050
Iron (Fe), % 78 to 82.4
0 to 0.25
Magnesium (Mg), % 0
0.1 to 0.6
Manganese (Mn), % 0.15 to 0.4
0.4 to 0.8
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.4
9.0 to 11.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.2
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.15