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SAE-AISI H24 Steel vs. 201.0 Aluminum

SAE-AISI H24 steel belongs to the iron alloys classification, while 201.0 aluminum belongs to the aluminum alloys. There are 20 material properties with values for both materials. Properties with values for just one material (15, 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 201.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
71
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 78
27
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
370 to 470

Thermal Properties

Latent Heat of Fusion, J/g 240
390
Melting Completion (Liquidus), °C 1750
650
Melting Onset (Solidus), °C 1700
570
Specific Heat Capacity, J/kg-K 420
870
Thermal Conductivity, W/m-K 27
120
Thermal Expansion, µm/m-K 12
19

Otherwise Unclassified Properties

Base Metal Price, % relative 37
38
Density, g/cm3 9.1
3.1
Embodied Carbon, kg CO2/kg material 6.1
8.7
Embodied Energy, MJ/kg 93
160

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
45
Strength to Weight: Axial, points 22 to 61
33 to 42
Strength to Weight: Bending, points 20 to 39
37 to 44
Thermal Diffusivity, mm2/s 6.9
45
Thermal Shock Resistance, points 22 to 61
19 to 25

Alloy Composition

Aluminum (Al), % 0
92.1 to 95.1
Carbon (C), % 0.42 to 0.53
0
Chromium (Cr), % 2.5 to 3.5
0
Copper (Cu), % 0 to 0.25
4.0 to 5.2
Iron (Fe), % 78 to 82.4
0 to 0.15
Magnesium (Mg), % 0
0.15 to 0.55
Manganese (Mn), % 0.15 to 0.4
0.2 to 0.5
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.4
0 to 0.1
Silver (Ag), % 0
0.4 to 1.0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0.15 to 0.35
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0
Residuals, % 0
0 to 0.1