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5040 Aluminum vs. EN 1.3518 Steel

5040 aluminum belongs to the aluminum alloys classification, while EN 1.3518 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 5040 aluminum and the bottom bar is EN 1.3518 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 66 to 74
190
Elastic (Young's, Tensile) Modulus, GPa 70
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
72
Tensile Strength: Ultimate (UTS), MPa 240 to 260
630

Thermal Properties

Latent Heat of Fusion, J/g 400
260
Maximum Temperature: Mechanical, °C 190
420
Melting Completion (Liquidus), °C 650
1440
Melting Onset (Solidus), °C 600
1400
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 160
43
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 130
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.4
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.3
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1180
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 24 to 26
23
Strength to Weight: Bending, points 31 to 32
21
Thermal Diffusivity, mm2/s 64
12
Thermal Shock Resistance, points 10 to 11
19

Alloy Composition

Aluminum (Al), % 95.2 to 98
0 to 0.050
Carbon (C), % 0
0.93 to 1.1
Chromium (Cr), % 0.1 to 0.3
0.9 to 1.2
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 0 to 0.7
96.3 to 97.8
Magnesium (Mg), % 1.0 to 1.5
0
Manganese (Mn), % 0.9 to 1.4
0.9 to 1.2
Molybdenum (Mo), % 0
0 to 0.1
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.3
0.45 to 0.75
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0