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A206.0 Aluminum vs. SAE-AISI T15 Steel

A206.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI T15 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, 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 A206.0 aluminum and the bottom bar is SAE-AISI T15 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
76
Tensile Strength: Ultimate (UTS), MPa 390 to 440
830 to 2240

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Melting Completion (Liquidus), °C 670
1690
Melting Onset (Solidus), °C 550
1640
Specific Heat Capacity, J/kg-K 880
430
Thermal Conductivity, W/m-K 130
21
Thermal Expansion, µm/m-K 23
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
43
Density, g/cm3 3.0
8.7
Embodied Carbon, kg CO2/kg material 8.0
16
Embodied Energy, MJ/kg 150
250
Embodied Water, L/kg 1150
140

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
22
Strength to Weight: Axial, points 36 to 41
26 to 71
Strength to Weight: Bending, points 39 to 43
22 to 43
Thermal Diffusivity, mm2/s 48
5.6
Thermal Shock Resistance, points 17 to 19
26 to 70

Alloy Composition

Aluminum (Al), % 93.9 to 95.7
0
Carbon (C), % 0
1.5 to 1.6
Chromium (Cr), % 0
3.8 to 5.0
Cobalt (Co), % 0
4.8 to 5.3
Copper (Cu), % 4.2 to 5.0
0 to 0.25
Iron (Fe), % 0 to 0.1
67.5 to 73.5
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.2
0.15 to 0.4
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.050
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.050
0.15 to 0.4
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0
Tungsten (W), % 0
11.8 to 13
Vanadium (V), % 0
4.5 to 5.3
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0