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SAE-AISI T6 Steel vs. 5252 Aluminum

SAE-AISI T6 steel belongs to the iron alloys classification, while 5252 aluminum belongs to the aluminum 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 SAE-AISI T6 steel and the bottom bar is 5252 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
68
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 81
25
Tensile Strength: Ultimate (UTS), MPa 880 to 2150
230 to 290

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Melting Completion (Liquidus), °C 1830
650
Melting Onset (Solidus), °C 1770
610
Specific Heat Capacity, J/kg-K 400
910
Thermal Conductivity, W/m-K 18
140
Thermal Expansion, µm/m-K 12
24

Otherwise Unclassified Properties

Base Metal Price, % relative 70
9.5
Density, g/cm3 9.5
2.7
Embodied Carbon, kg CO2/kg material 11
8.7
Embodied Energy, MJ/kg 170
160
Embodied Water, L/kg 160
1190

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
51
Strength to Weight: Axial, points 26 to 63
23 to 30
Strength to Weight: Bending, points 21 to 39
31 to 36
Thermal Diffusivity, mm2/s 4.7
57
Thermal Shock Resistance, points 26 to 64
10 to 13

Alloy Composition

Aluminum (Al), % 0
96.6 to 97.8
Carbon (C), % 0.75 to 0.85
0
Chromium (Cr), % 4.0 to 4.8
0
Cobalt (Co), % 11 to 13
0
Copper (Cu), % 0 to 0.25
0 to 0.1
Iron (Fe), % 55.9 to 63.5
0 to 0.1
Magnesium (Mg), % 0
2.2 to 2.8
Manganese (Mn), % 0.2 to 0.4
0 to 0.1
Molybdenum (Mo), % 0.4 to 1.0
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.4
0 to 0.080
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 18.5 to 21
0
Vanadium (V), % 1.5 to 2.1
0 to 0.050
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.1