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5082 Aluminum vs. EN 1.5501 Steel

5082 aluminum belongs to the aluminum alloys classification, while EN 1.5501 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 5082 aluminum and the bottom bar is EN 1.5501 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
190
Elongation at Break, % 1.1
12 to 17
Fatigue Strength, MPa 110 to 130
180 to 270
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
73
Shear Strength, MPa 210 to 230
270 to 310
Tensile Strength: Ultimate (UTS), MPa 380 to 400
390 to 510
Tensile Strength: Yield (Proof), MPa 300 to 340
260 to 420

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 180
400
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 560
1420
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 130
52
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.9
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1180
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.0 to 4.3
40 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 870
190 to 460
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
24
Strength to Weight: Axial, points 39 to 41
14 to 18
Strength to Weight: Bending, points 43 to 45
15 to 18
Thermal Diffusivity, mm2/s 54
14
Thermal Shock Resistance, points 17 to 18
11 to 15

Alloy Composition

Aluminum (Al), % 93.5 to 96
0
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0
0.13 to 0.16
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.15
0 to 0.25
Iron (Fe), % 0 to 0.35
98.4 to 99.269
Magnesium (Mg), % 4.0 to 5.0
0
Manganese (Mn), % 0 to 0.15
0.6 to 0.8
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.2
0 to 0.3
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0