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SAE-AISI T5 Steel vs. EN AC-45500 Aluminum

SAE-AISI T5 steel belongs to the iron alloys classification, while EN AC-45500 aluminum belongs to the aluminum 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 SAE-AISI T5 steel and the bottom bar is EN AC-45500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
70
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 80
26
Tensile Strength: Ultimate (UTS), MPa 860 to 2140
320

Thermal Properties

Latent Heat of Fusion, J/g 250
500
Melting Completion (Liquidus), °C 1810
610
Melting Onset (Solidus), °C 1750
600
Specific Heat Capacity, J/kg-K 410
900
Thermal Conductivity, W/m-K 21
150
Thermal Expansion, µm/m-K 11
22

Otherwise Unclassified Properties

Base Metal Price, % relative 60
9.5
Density, g/cm3 9.4
2.6
Embodied Carbon, kg CO2/kg material 11
8.0
Embodied Energy, MJ/kg 170
150
Embodied Water, L/kg 140
1110

Common Calculations

Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 21
53
Strength to Weight: Axial, points 25 to 63
34
Strength to Weight: Bending, points 21 to 39
40
Thermal Diffusivity, mm2/s 5.5
65
Thermal Shock Resistance, points 26 to 66
15

Alloy Composition

Aluminum (Al), % 0
90.6 to 93.1
Carbon (C), % 0.75 to 0.85
0
Chromium (Cr), % 3.8 to 5.0
0
Cobalt (Co), % 7.0 to 9.5
0
Copper (Cu), % 0 to 0.25
0.2 to 0.7
Iron (Fe), % 60.6 to 68.3
0 to 0.25
Magnesium (Mg), % 0
0.2 to 0.45
Manganese (Mn), % 0.2 to 0.4
0 to 0.15
Molybdenum (Mo), % 0.5 to 1.3
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.4
6.5 to 7.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.2
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.8 to 2.4
0
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.1