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5040 Aluminum vs. EN 1.7216 Steel

5040 aluminum belongs to the aluminum alloys classification, while EN 1.7216 steel belongs to the iron alloys. 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 1.7216 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 66 to 74
200 to 280
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 5.7 to 6.8
12 to 23
Fatigue Strength, MPa 100 to 130
290 to 440
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 140 to 150
410 to 560
Tensile Strength: Ultimate (UTS), MPa 240 to 260
650 to 930
Tensile Strength: Yield (Proof), MPa 190 to 230
400 to 690

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 190
420
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 600
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 160
46
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 130
8.3

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
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14 to 15
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 380
430 to 1280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 24 to 26
23 to 33
Strength to Weight: Bending, points 31 to 32
21 to 27
Thermal Diffusivity, mm2/s 64
12
Thermal Shock Resistance, points 10 to 11
19 to 27

Alloy Composition

Aluminum (Al), % 95.2 to 98
0
Carbon (C), % 0
0.27 to 0.34
Chromium (Cr), % 0.1 to 0.3
0.8 to 1.2
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.7
97.2 to 98.4
Magnesium (Mg), % 1.0 to 1.5
0
Manganese (Mn), % 0.9 to 1.4
0.35 to 0.6
Molybdenum (Mo), % 0
0.15 to 0.3
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.3
0 to 0.35
Sulfur (S), % 0
0 to 0.035
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0