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390.0 Aluminum vs. SAE-AISI M62 Steel

390.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI M62 steel belongs to the iron alloys. There are 19 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 390.0 aluminum and the bottom bar is SAE-AISI M62 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
79
Tensile Strength: Ultimate (UTS), MPa 280 to 300
830 to 2440

Thermal Properties

Latent Heat of Fusion, J/g 640
260
Melting Completion (Liquidus), °C 650
1650
Melting Onset (Solidus), °C 560
1600
Specific Heat Capacity, J/kg-K 880
430
Thermal Expansion, µm/m-K 18
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
30
Density, g/cm3 2.7
8.5
Embodied Carbon, kg CO2/kg material 7.3
10
Embodied Energy, MJ/kg 130
150
Embodied Water, L/kg 950
110

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
23
Strength to Weight: Axial, points 28 to 30
27 to 80
Strength to Weight: Bending, points 35 to 36
23 to 47
Thermal Shock Resistance, points 14 to 15
24 to 71

Alloy Composition

Aluminum (Al), % 74.5 to 79.6
0
Carbon (C), % 0
1.3 to 1.4
Chromium (Cr), % 0
3.5 to 4.0
Copper (Cu), % 4.0 to 5.0
0 to 0.25
Iron (Fe), % 0 to 1.3
73.6 to 77.4
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.1
0.15 to 0.4
Molybdenum (Mo), % 0
10 to 11
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 16 to 18
0.15 to 0.4
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.2
0
Tungsten (W), % 0
5.8 to 6.5
Vanadium (V), % 0
1.8 to 2.1
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.2
0