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1060 Aluminum vs. SAE-AISI 1020 Steel

1060 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1020 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 1060 aluminum and the bottom bar is SAE-AISI 1020 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 1.1 to 30
17 to 28
Fatigue Strength, MPa 15 to 50
180 to 250
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 42 to 75
280
Tensile Strength: Ultimate (UTS), MPa 67 to 130
430 to 460
Tensile Strength: Yield (Proof), MPa 17 to 110
240 to 380

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 660
1460
Melting Onset (Solidus), °C 650
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 230
52
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 62
11
Electrical Conductivity: Equal Weight (Specific), % IACS 210
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.3
1.4
Embodied Energy, MJ/kg 160
18
Embodied Water, L/kg 1200
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 0.57 to 37
72 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 89
150 to 380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 6.9 to 13
15 to 16
Strength to Weight: Bending, points 14 to 21
16 to 17
Thermal Diffusivity, mm2/s 96
14
Thermal Shock Resistance, points 3.0 to 5.6
13 to 14

Alloy Composition

Aluminum (Al), % 99.6 to 100
0
Carbon (C), % 0
0.18 to 0.23
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.35
99.08 to 99.52
Magnesium (Mg), % 0 to 0.030
0
Manganese (Mn), % 0 to 0.030
0.3 to 0.6
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.25
0
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
0