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6005A Aluminum vs. SAE-AISI T8 Steel

6005A aluminum belongs to the aluminum alloys classification, while SAE-AISI T8 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 6005A aluminum and the bottom bar is SAE-AISI T8 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
78
Tensile Strength: Ultimate (UTS), MPa 190 to 300
780 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Melting Completion (Liquidus), °C 650
1730
Melting Onset (Solidus), °C 600
1670
Specific Heat Capacity, J/kg-K 900
420
Thermal Conductivity, W/m-K 180 to 190
18
Thermal Expansion, µm/m-K 23
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
45
Density, g/cm3 2.7
9.0
Embodied Carbon, kg CO2/kg material 8.3
10
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
120

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 50
22
Strength to Weight: Axial, points 20 to 30
24 to 66
Strength to Weight: Bending, points 27 to 36
21 to 41
Thermal Diffusivity, mm2/s 72 to 79
4.8
Thermal Shock Resistance, points 8.6 to 13
24 to 66

Alloy Composition

Aluminum (Al), % 96.5 to 99.1
0
Carbon (C), % 0
0.75 to 0.85
Chromium (Cr), % 0 to 0.3
3.8 to 4.5
Cobalt (Co), % 0
4.3 to 5.8
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 0 to 0.35
69.3 to 75.4
Magnesium (Mg), % 0.4 to 0.7
0
Manganese (Mn), % 0 to 0.5
0.2 to 0.4
Molybdenum (Mo), % 0
0.4 to 1.0
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.5 to 0.9
0.2 to 0.4
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0
13.3 to 14.8
Vanadium (V), % 0
1.8 to 2.4
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0