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5056 Aluminum vs. EN 1.0471 Steel

5056 aluminum belongs to the aluminum alloys classification, while EN 1.0471 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 5056 aluminum and the bottom bar is EN 1.0471 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
190
Elongation at Break, % 4.9 to 31
23
Fatigue Strength, MPa 140 to 200
270
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
73
Shear Strength, MPa 170 to 240
360
Tensile Strength: Ultimate (UTS), MPa 290 to 460
580
Tensile Strength: Yield (Proof), MPa 150 to 410
380

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 190
400
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 570
1420
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 130
52
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 99
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.2
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 9.0
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1180
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 140
120
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 1220
390
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
24
Strength to Weight: Axial, points 30 to 48
20
Strength to Weight: Bending, points 36 to 50
20
Thermal Diffusivity, mm2/s 53
14
Thermal Shock Resistance, points 13 to 20
18

Alloy Composition

Aluminum (Al), % 93 to 95.4
0 to 0.060
Carbon (C), % 0
0 to 0.22
Chromium (Cr), % 0.050 to 0.2
0
Copper (Cu), % 0 to 0.1
0 to 0.3
Iron (Fe), % 0 to 0.4
97.4 to 98.8
Magnesium (Mg), % 4.5 to 5.6
0
Manganese (Mn), % 0.050 to 0.2
1.0 to 1.5
Niobium (Nb), % 0
0.015 to 0.1
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.3
0.15 to 0.35
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0