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SAE-AISI H24 Steel vs. 515.0 Aluminum

SAE-AISI H24 steel belongs to the iron alloys classification, while 515.0 aluminum belongs to the aluminum alloys. There are 19 material properties with values for both materials. Properties with values for just one material (7, 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 515.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
70
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 78
26
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
280

Thermal Properties

Latent Heat of Fusion, J/g 240
470
Melting Completion (Liquidus), °C 1750
620
Melting Onset (Solidus), °C 1700
620
Specific Heat Capacity, J/kg-K 420
900
Thermal Expansion, µm/m-K 12
23

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
8.4
Embodied Energy, MJ/kg 93
150
Embodied Water, L/kg 78
1120

Common Calculations

Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 22
52
Strength to Weight: Axial, points 22 to 61
30
Strength to Weight: Bending, points 20 to 39
36
Thermal Shock Resistance, points 22 to 61
13

Alloy Composition

Aluminum (Al), % 0
93.6 to 96.6
Carbon (C), % 0.42 to 0.53
0
Chromium (Cr), % 2.5 to 3.5
0
Copper (Cu), % 0 to 0.25
0 to 0.2
Iron (Fe), % 78 to 82.4
0 to 1.3
Magnesium (Mg), % 0
2.5 to 4.0
Manganese (Mn), % 0.15 to 0.4
0.4 to 0.6
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.4
0.5 to 10
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15