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EN 1.3551 Steel vs. 5110A Aluminum

EN 1.3551 steel belongs to the iron alloys classification, while 5110A aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 1.3551 steel and the bottom bar is 5110A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
68
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 75
26
Tensile Strength: Ultimate (UTS), MPa 720
100 to 190

Thermal Properties

Latent Heat of Fusion, J/g 260
400
Maximum Temperature: Mechanical, °C 530
180
Melting Completion (Liquidus), °C 1490
640
Melting Onset (Solidus), °C 1450
640
Specific Heat Capacity, J/kg-K 460
900
Thermal Conductivity, W/m-K 36
220
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.6
57
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
190

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
9.5
Density, g/cm3 7.9
2.7
Embodied Carbon, kg CO2/kg material 4.9
8.3
Embodied Energy, MJ/kg 71
150
Embodied Water, L/kg 82
1190

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 26
10 to 19
Strength to Weight: Bending, points 23
18 to 27
Thermal Diffusivity, mm2/s 9.8
91
Thermal Shock Resistance, points 21
4.5 to 8.4

Alloy Composition

Aluminum (Al), % 0
98.5 to 99.8
Carbon (C), % 0.77 to 0.85
0
Chromium (Cr), % 3.9 to 4.3
0
Copper (Cu), % 0 to 0.3
0 to 0.2
Iron (Fe), % 88.8 to 91.1
0 to 0.25
Magnesium (Mg), % 0
0.2 to 0.6
Manganese (Mn), % 0.15 to 0.35
0 to 0.2
Molybdenum (Mo), % 4.0 to 4.5
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0 to 0.15
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 0 to 0.25
0
Vanadium (V), % 0.9 to 1.1
0
Zinc (Zn), % 0
0 to 0.030
Residuals, % 0
0 to 0.1