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EN 1.8823 Steel vs. 5456 Aluminum

EN 1.8823 steel belongs to the iron alloys classification, while 5456 aluminum belongs to the aluminum 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 EN 1.8823 steel and the bottom bar is 5456 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 25
11 to 18
Fatigue Strength, MPa 270
130 to 210
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Shear Strength, MPa 340
190 to 210
Tensile Strength: Ultimate (UTS), MPa 530
320 to 340
Tensile Strength: Yield (Proof), MPa 360
150 to 250

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Maximum Temperature: Mechanical, °C 410
190
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1420
570
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 47
120
Thermal Expansion, µm/m-K 13
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
29
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
97

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 1.6
9.0
Embodied Energy, MJ/kg 22
150
Embodied Water, L/kg 49
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
33 to 46
Resilience: Unit (Modulus of Resilience), kJ/m3 360
170 to 470
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 19
33 to 35
Strength to Weight: Bending, points 19
38 to 40
Thermal Diffusivity, mm2/s 13
48
Thermal Shock Resistance, points 16
14 to 15

Alloy Composition

Aluminum (Al), % 0.015 to 0.034
92 to 94.8
Carbon (C), % 0 to 0.16
0
Chromium (Cr), % 0 to 0.35
0.050 to 0.2
Copper (Cu), % 0 to 0.6
0 to 0.1
Iron (Fe), % 95.6 to 99.985
0 to 0.4
Magnesium (Mg), % 0
4.7 to 5.5
Manganese (Mn), % 0 to 1.7
0.5 to 1.0
Molybdenum (Mo), % 0 to 0.13
0
Nickel (Ni), % 0 to 0.55
0
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.017
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.55
0 to 0.25
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0 to 0.060
0 to 0.2
Vanadium (V), % 0 to 0.12
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15