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5026 Aluminum vs. SAE-AISI 1086 Steel

5026 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1086 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 5026 aluminum and the bottom bar is SAE-AISI 1086 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 5.1 to 11
11
Fatigue Strength, MPa 94 to 140
300 to 360
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
72
Shear Strength, MPa 150 to 180
450 to 520
Tensile Strength: Ultimate (UTS), MPa 260 to 320
760 to 870
Tensile Strength: Yield (Proof), MPa 120 to 250
480 to 580

Thermal Properties

Latent Heat of Fusion, J/g 400
240
Maximum Temperature: Mechanical, °C 210
400
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 510
1410
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 130
50
Thermal Expansion, µm/m-K 23
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 99
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.9
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1150
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 29
79 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 440
610 to 890
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
24
Strength to Weight: Axial, points 26 to 32
27 to 31
Strength to Weight: Bending, points 33 to 37
24 to 26
Thermal Diffusivity, mm2/s 52
14
Thermal Shock Resistance, points 11 to 14
26 to 30

Alloy Composition

Aluminum (Al), % 88.2 to 94.7
0
Carbon (C), % 0
0.8 to 0.93
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0.1 to 0.8
0
Iron (Fe), % 0.2 to 1.0
98.5 to 98.9
Magnesium (Mg), % 3.9 to 4.9
0
Manganese (Mn), % 0.6 to 1.8
0.3 to 0.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.55 to 1.4
0
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 1.0
0
Zirconium (Zr), % 0 to 0.3
0
Residuals, % 0 to 0.15
0