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1060 Aluminum vs. SAE-AISI 1070 Steel

1060 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1070 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 1070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 1.1 to 30
10 to 13
Fatigue Strength, MPa 15 to 50
270 to 350
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
72
Shear Strength, MPa 42 to 75
380 to 460
Tensile Strength: Ultimate (UTS), MPa 67 to 130
640 to 760
Tensile Strength: Yield (Proof), MPa 17 to 110
420 to 560

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
50
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 62
10
Electrical Conductivity: Equal Weight (Specific), % IACS 210
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.3
1.4
Embodied Energy, MJ/kg 160
19
Embodied Water, L/kg 1200
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 0.57 to 37
59 to 86
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 89
470 to 850
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 6.9 to 13
23 to 27
Strength to Weight: Bending, points 14 to 21
21 to 24
Thermal Diffusivity, mm2/s 96
14
Thermal Shock Resistance, points 3.0 to 5.6
21 to 25

Alloy Composition

Aluminum (Al), % 99.6 to 100
0
Carbon (C), % 0
0.65 to 0.75
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.35
98.3 to 98.8
Magnesium (Mg), % 0 to 0.030
0
Manganese (Mn), % 0 to 0.030
0.6 to 0.9
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