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EN 1.3558 Steel vs. 5657 Aluminum

EN 1.3558 steel belongs to the iron alloys classification, while 5657 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 1.3558 steel and the bottom bar is 5657 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
40 to 50
Elastic (Young's, Tensile) Modulus, GPa 210
68
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 80
26
Tensile Strength: Ultimate (UTS), MPa 770
150 to 200

Thermal Properties

Latent Heat of Fusion, J/g 240
400
Maximum Temperature: Mechanical, °C 490
180
Melting Completion (Liquidus), °C 1810
660
Melting Onset (Solidus), °C 1760
640
Specific Heat Capacity, J/kg-K 410
900
Thermal Conductivity, W/m-K 20
210
Thermal Expansion, µm/m-K 12
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
54
Electrical Conductivity: Equal Weight (Specific), % IACS 12
180

Otherwise Unclassified Properties

Base Metal Price, % relative 45
9.5
Density, g/cm3 9.3
2.7
Embodied Carbon, kg CO2/kg material 8.4
8.4
Embodied Energy, MJ/kg 130
160
Embodied Water, L/kg 90
1200

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
50
Strength to Weight: Axial, points 23
15 to 20
Strength to Weight: Bending, points 20
23 to 28
Thermal Diffusivity, mm2/s 5.3
84
Thermal Shock Resistance, points 22
6.7 to 8.6

Alloy Composition

Aluminum (Al), % 0
98.5 to 99.4
Carbon (C), % 0.7 to 0.8
0
Chromium (Cr), % 3.9 to 4.3
0
Copper (Cu), % 0 to 0.3
0 to 0.1
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 73.7 to 77.6
0 to 0.1
Magnesium (Mg), % 0
0.6 to 1.0
Manganese (Mn), % 0 to 0.4
0 to 0.030
Molybdenum (Mo), % 0 to 0.6
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0 to 0.080
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
0 to 0.050
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.050