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5082 Aluminum vs. EN 1.8869 Steel

5082 aluminum belongs to the aluminum alloys classification, while EN 1.8869 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 1.8869 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
190
Elongation at Break, % 1.1
25
Fatigue Strength, MPa 110 to 130
260
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
73
Shear Strength, MPa 210 to 230
350
Tensile Strength: Ultimate (UTS), MPa 380 to 400
540
Tensile Strength: Yield (Proof), MPa 300 to 340
360

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 180
410
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
48
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.4
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.9
1.6
Embodied Energy, MJ/kg 150
21
Embodied Water, L/kg 1180
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.0 to 4.3
120
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 870
340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
24
Strength to Weight: Axial, points 39 to 41
19
Strength to Weight: Bending, points 43 to 45
19
Thermal Diffusivity, mm2/s 54
13
Thermal Shock Resistance, points 17 to 18
16

Alloy Composition

Aluminum (Al), % 93.5 to 96
0
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0
0 to 0.16
Chromium (Cr), % 0 to 0.15
0 to 0.3
Copper (Cu), % 0 to 0.15
0 to 0.3
Iron (Fe), % 0 to 0.35
96.4 to 100
Magnesium (Mg), % 4.0 to 5.0
0
Manganese (Mn), % 0 to 0.15
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.25
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.2
0 to 0.4
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 0 to 0.1
0 to 0.030
Vanadium (V), % 0
0 to 0.060
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0 to 0.15
0