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5182 Aluminum vs. EN 1.8505 Steel

5182 aluminum belongs to the aluminum alloys classification, while EN 1.8505 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 5182 aluminum and the bottom bar is EN 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 1.1 to 12
13
Fatigue Strength, MPa 100 to 130
540
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
73
Shear Strength, MPa 170 to 240
630
Tensile Strength: Ultimate (UTS), MPa 280 to 420
1050
Tensile Strength: Yield (Proof), MPa 130 to 360
860

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Maximum Temperature: Mechanical, °C 180
440
Melting Completion (Liquidus), °C 640
1450
Melting Onset (Solidus), °C 590
1410
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 130
39
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 94
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.8
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.9
1.6
Embodied Energy, MJ/kg 150
22
Embodied Water, L/kg 1180
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 49
120
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 950
1950
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 29 to 44
37
Strength to Weight: Bending, points 36 to 47
30
Thermal Diffusivity, mm2/s 53
11
Thermal Shock Resistance, points 12 to 19
31

Alloy Composition

Aluminum (Al), % 93.2 to 95.8
0.8 to 1.2
Carbon (C), % 0
0.28 to 0.35
Chromium (Cr), % 0 to 0.1
1.5 to 1.8
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 0 to 0.35
95.4 to 97.1
Magnesium (Mg), % 4.0 to 5.0
0
Manganese (Mn), % 0.2 to 0.5
0.4 to 0.7
Molybdenum (Mo), % 0
0.2 to 0.4
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.2
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0