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SAE-AISI H24 Steel vs. A380.0 Aluminum

SAE-AISI H24 steel belongs to the iron alloys classification, while A380.0 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 A380.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
73
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 78
27
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
290

Thermal Properties

Latent Heat of Fusion, J/g 240
510
Melting Completion (Liquidus), °C 1750
590
Melting Onset (Solidus), °C 1700
550
Specific Heat Capacity, J/kg-K 420
870
Thermal Conductivity, W/m-K 27
96
Thermal Expansion, µm/m-K 12
22

Otherwise Unclassified Properties

Base Metal Price, % relative 37
11
Density, g/cm3 9.1
2.9
Embodied Carbon, kg CO2/kg material 6.1
7.5
Embodied Energy, MJ/kg 93
140
Embodied Water, L/kg 78
1040

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
48
Strength to Weight: Axial, points 22 to 61
28
Strength to Weight: Bending, points 20 to 39
34
Thermal Diffusivity, mm2/s 6.9
38
Thermal Shock Resistance, points 22 to 61
13

Alloy Composition

Aluminum (Al), % 0
80.3 to 89.5
Carbon (C), % 0.42 to 0.53
0
Chromium (Cr), % 2.5 to 3.5
0
Copper (Cu), % 0 to 0.25
3.0 to 4.0
Iron (Fe), % 78 to 82.4
0 to 1.3
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0.15 to 0.4
0 to 0.5
Nickel (Ni), % 0 to 0.3
0 to 0.5
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.4
7.5 to 9.5
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.35
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0
Zinc (Zn), % 0
0 to 3.0
Residuals, % 0
0 to 0.5