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EN 1.6511 Steel vs. 5086 Aluminum

EN 1.6511 steel belongs to the iron alloys classification, while 5086 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 1.6511 steel and the bottom bar is 5086 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
65 to 100
Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 12
1.7 to 20
Fatigue Strength, MPa 480
88 to 180
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Shear Strength, MPa 600
160 to 230
Tensile Strength: Ultimate (UTS), MPa 990
270 to 390
Tensile Strength: Yield (Proof), MPa 770
110 to 320

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 430
190
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1420
590
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 36
130
Thermal Expansion, µm/m-K 13
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
31
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
100

Otherwise Unclassified Properties

Base Metal Price, % relative 3.1
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 1.6
8.8
Embodied Energy, MJ/kg 21
150
Embodied Water, L/kg 53
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
5.8 to 42
Resilience: Unit (Modulus of Resilience), kJ/m3 1590
86 to 770
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 35
28 to 40
Strength to Weight: Bending, points 28
34 to 44
Thermal Diffusivity, mm2/s 9.9
52
Thermal Shock Resistance, points 29
12 to 17

Alloy Composition

Aluminum (Al), % 0
93 to 96.3
Carbon (C), % 0.32 to 0.4
0
Chromium (Cr), % 0.9 to 1.2
0.050 to 0.25
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 95.6 to 97.2
0 to 0.5
Magnesium (Mg), % 0
3.5 to 4.5
Manganese (Mn), % 0.5 to 0.8
0.2 to 0.7
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 0.9 to 1.2
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.035
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15