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1435 Aluminum vs. SAE-AISI 1080 Steel

1435 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1080 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 1435 aluminum and the bottom bar is SAE-AISI 1080 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 4.1 to 32
11
Fatigue Strength, MPa 27 to 49
300 to 360
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
72
Shear Strength, MPa 54 to 87
460 to 520
Tensile Strength: Ultimate (UTS), MPa 81 to 150
770 to 870
Tensile Strength: Yield (Proof), MPa 23 to 130
480 to 590

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 650
1450
Melting Onset (Solidus), °C 640
1410
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 230
51
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 200
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
1.8
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1190
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.0 to 20
80 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 3.8 to 110
610 to 920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 8.3 to 15
27 to 31
Strength to Weight: Bending, points 15 to 23
24 to 26
Thermal Diffusivity, mm2/s 93
14
Thermal Shock Resistance, points 3.6 to 6.7
25 to 29

Alloy Composition

Aluminum (Al), % 99.35 to 99.7
0
Carbon (C), % 0
0.75 to 0.88
Copper (Cu), % 0 to 0.020
0
Iron (Fe), % 0.3 to 0.5
98.1 to 98.7
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0.6 to 0.9
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.15
0
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.030
0
Zinc (Zn), % 0 to 0.1
0