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SAE-AISI T5 Steel vs. EN AC-41000 Aluminum

SAE-AISI T5 steel belongs to the iron alloys classification, while EN AC-41000 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-41000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
69
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 80
26
Tensile Strength: Ultimate (UTS), MPa 860 to 2140
170 to 280

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Melting Completion (Liquidus), °C 1810
640
Melting Onset (Solidus), °C 1750
630
Specific Heat Capacity, J/kg-K 410
900
Thermal Conductivity, W/m-K 21
170
Thermal Expansion, µm/m-K 11
23

Otherwise Unclassified Properties

Base Metal Price, % relative 60
9.5
Density, g/cm3 9.4
2.7
Embodied Carbon, kg CO2/kg material 11
8.2
Embodied Energy, MJ/kg 170
150
Embodied Water, L/kg 140
1160

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
51
Strength to Weight: Axial, points 25 to 63
18 to 29
Strength to Weight: Bending, points 21 to 39
26 to 35
Thermal Diffusivity, mm2/s 5.5
69
Thermal Shock Resistance, points 26 to 66
7.8 to 13

Alloy Composition

Aluminum (Al), % 0
95.2 to 97.6
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 to 0.1
Iron (Fe), % 60.6 to 68.3
0 to 0.6
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0.45 to 0.65
Manganese (Mn), % 0.2 to 0.4
0.3 to 0.5
Molybdenum (Mo), % 0.5 to 1.3
0
Nickel (Ni), % 0 to 0.3
0 to 0.050
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.4
1.6 to 2.4
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0.050 to 0.2
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.8 to 2.4
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15