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6065 Aluminum vs. SAE-AISI H24 Steel

6065 aluminum belongs to the aluminum alloys classification, while SAE-AISI H24 steel belongs to the iron 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 6065 aluminum and the bottom bar is SAE-AISI H24 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
78
Tensile Strength: Ultimate (UTS), MPa 310 to 400
720 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 400
240
Melting Completion (Liquidus), °C 640
1750
Melting Onset (Solidus), °C 590
1700
Specific Heat Capacity, J/kg-K 890
420
Thermal Conductivity, W/m-K 170
27
Thermal Expansion, µm/m-K 23
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
37
Density, g/cm3 2.8
9.1
Embodied Carbon, kg CO2/kg material 8.4
6.1
Embodied Energy, MJ/kg 150
93
Embodied Water, L/kg 1200
78

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 49
22
Strength to Weight: Axial, points 31 to 40
22 to 61
Strength to Weight: Bending, points 36 to 43
20 to 39
Thermal Diffusivity, mm2/s 67
6.9
Thermal Shock Resistance, points 14 to 18
22 to 61

Alloy Composition

Aluminum (Al), % 94.4 to 98.2
0
Bismuth (Bi), % 0.5 to 1.5
0
Carbon (C), % 0
0.42 to 0.53
Chromium (Cr), % 0 to 0.15
2.5 to 3.5
Copper (Cu), % 0.15 to 0.4
0 to 0.25
Iron (Fe), % 0 to 0.7
78 to 82.4
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
0.15 to 0.4
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.4 to 0.8
0.15 to 0.4
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0
14 to 16
Vanadium (V), % 0
0.4 to 0.6
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0 to 0.15
0