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EN AC-71100 Aluminum vs. SAE-AISI T5 Steel

EN AC-71100 aluminum belongs to the aluminum alloys classification, while SAE-AISI T5 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, 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 EN AC-71100 aluminum and the bottom bar is SAE-AISI T5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
210
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 27
80
Tensile Strength: Ultimate (UTS), MPa 260
860 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 490
250
Melting Completion (Liquidus), °C 580
1810
Melting Onset (Solidus), °C 520
1750
Specific Heat Capacity, J/kg-K 860
410
Thermal Expansion, µm/m-K 22
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
60
Density, g/cm3 2.9
9.4
Embodied Carbon, kg CO2/kg material 7.4
11
Embodied Energy, MJ/kg 140
170
Embodied Water, L/kg 1010
140

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 47
21
Strength to Weight: Axial, points 25
25 to 63
Strength to Weight: Bending, points 31
21 to 39
Thermal Shock Resistance, points 12
26 to 66

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
0
Carbon (C), % 0
0.75 to 0.85
Chromium (Cr), % 0
3.8 to 5.0
Cobalt (Co), % 0
7.0 to 9.5
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 0 to 0.3
60.6 to 68.3
Magnesium (Mg), % 0.2 to 0.5
0
Manganese (Mn), % 0 to 0.15
0.2 to 0.4
Molybdenum (Mo), % 0
0.5 to 1.3
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 7.5 to 9.5
0.2 to 0.4
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.15
0
Tungsten (W), % 0
17.5 to 19
Vanadium (V), % 0
1.8 to 2.4
Zinc (Zn), % 9.0 to 10.5
0
Residuals, % 0 to 0.15
0