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A380.0 Aluminum vs. SAE-AISI M33 Steel

A380.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI M33 steel belongs to the iron 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 A380.0 aluminum and the bottom bar is SAE-AISI M33 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
78
Tensile Strength: Ultimate (UTS), MPa 290
810 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 510
270
Melting Completion (Liquidus), °C 590
1550
Melting Onset (Solidus), °C 550
1500
Specific Heat Capacity, J/kg-K 870
440
Thermal Conductivity, W/m-K 96
20
Thermal Expansion, µm/m-K 22
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
32
Density, g/cm3 2.9
8.2
Embodied Carbon, kg CO2/kg material 7.5
7.7
Embodied Energy, MJ/kg 140
110
Embodied Water, L/kg 1040
150

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 48
24
Strength to Weight: Axial, points 28
27 to 75
Strength to Weight: Bending, points 34
24 to 46
Thermal Diffusivity, mm2/s 38
5.5
Thermal Shock Resistance, points 13
25 to 68

Alloy Composition

Aluminum (Al), % 80.3 to 89.5
0
Carbon (C), % 0
0.85 to 0.92
Chromium (Cr), % 0
3.5 to 4.0
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 3.0 to 4.0
0 to 0.25
Iron (Fe), % 0 to 1.3
71.4 to 76.3
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0.15 to 0.4
Molybdenum (Mo), % 0
9.0 to 10
Nickel (Ni), % 0 to 0.5
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 7.5 to 9.5
0.15 to 0.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.35
0
Tungsten (W), % 0
1.3 to 2.1
Vanadium (V), % 0
1.0 to 1.4
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0