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5456 Aluminum vs. EN 1.8903 Steel

5456 aluminum belongs to the aluminum alloys classification, while EN 1.8903 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 5456 aluminum and the bottom bar is EN 1.8903 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 11 to 18
19
Fatigue Strength, MPa 130 to 210
330
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 190 to 210
390
Tensile Strength: Ultimate (UTS), MPa 320 to 340
630
Tensile Strength: Yield (Proof), MPa 150 to 250
480

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Maximum Temperature: Mechanical, °C 190
410
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 570
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 120
46
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 97
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.6
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 9.0
1.8
Embodied Energy, MJ/kg 150
24
Embodied Water, L/kg 1170
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33 to 46
110
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 470
620
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 33 to 35
22
Strength to Weight: Bending, points 38 to 40
21
Thermal Diffusivity, mm2/s 48
12
Thermal Shock Resistance, points 14 to 15
18

Alloy Composition

Aluminum (Al), % 92 to 94.8
0 to 0.015
Carbon (C), % 0
0 to 0.22
Chromium (Cr), % 0.050 to 0.2
0 to 0.35
Copper (Cu), % 0 to 0.1
0 to 0.6
Iron (Fe), % 0 to 0.4
95 to 99.05
Magnesium (Mg), % 4.7 to 5.5
0
Manganese (Mn), % 0.5 to 1.0
1.0 to 1.8
Molybdenum (Mo), % 0
0 to 0.13
Nickel (Ni), % 0
0 to 0.85
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.027
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.25
0 to 0.65
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.2
0 to 0.060
Vanadium (V), % 0
0 to 0.22
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0