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5050 Aluminum vs. EN 1.0625 Steel

5050 aluminum belongs to the aluminum alloys classification, while EN 1.0625 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 5050 aluminum and the bottom bar is EN 1.0625 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 1.7 to 22
25
Fatigue Strength, MPa 45 to 100
230
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 140 to 250
560
Tensile Strength: Yield (Proof), MPa 50 to 210
320

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 180
400
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 630
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 190
47
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 170
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.2
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.4
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1190
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.1 to 24
120
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 330
270
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 15 to 26
20
Strength to Weight: Bending, points 22 to 33
19
Thermal Diffusivity, mm2/s 79
13
Thermal Shock Resistance, points 6.3 to 11
18

Alloy Composition

Aluminum (Al), % 96.3 to 98.9
0
Carbon (C), % 0
0.18 to 0.25
Chromium (Cr), % 0 to 0.1
0 to 0.3
Copper (Cu), % 0 to 0.2
0 to 0.3
Iron (Fe), % 0 to 0.7
96.6 to 99.02
Magnesium (Mg), % 1.1 to 1.8
0
Manganese (Mn), % 0 to 0.1
0.8 to 1.4
Molybdenum (Mo), % 0
0 to 0.12
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.6
Sulfur (S), % 0
0 to 0.020
Vanadium (V), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0