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SAE-AISI H24 Steel vs. 520.0 Aluminum

SAE-AISI H24 steel belongs to the iron alloys classification, while 520.0 aluminum belongs to the aluminum alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, 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 520.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
66
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 78
25
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
330

Thermal Properties

Latent Heat of Fusion, J/g 240
390
Melting Completion (Liquidus), °C 1750
600
Melting Onset (Solidus), °C 1700
480
Specific Heat Capacity, J/kg-K 420
910
Thermal Conductivity, W/m-K 27
87
Thermal Expansion, µm/m-K 12
25

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
9.8
Embodied Energy, MJ/kg 93
160
Embodied Water, L/kg 78
1170

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
52
Strength to Weight: Axial, points 22 to 61
35
Strength to Weight: Bending, points 20 to 39
41
Thermal Diffusivity, mm2/s 6.9
37
Thermal Shock Resistance, points 22 to 61
14

Alloy Composition

Aluminum (Al), % 0
87.9 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 0.25
Iron (Fe), % 78 to 82.4
0 to 0.3
Magnesium (Mg), % 0
9.5 to 10.6
Manganese (Mn), % 0.15 to 0.4
0 to 0.15
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.4
0 to 0.25
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.25
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0
0 to 0.15