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1080 Aluminum vs. EN 1.6579 Steel

1080 aluminum belongs to the aluminum alloys classification, while EN 1.6579 steel belongs to the iron alloys. There are 29 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 1080 aluminum and the bottom bar is EN 1.6579 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 4.6 to 40
11 to 14
Fatigue Strength, MPa 21 to 48
380 to 570
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 72 to 130
850 to 980
Tensile Strength: Yield (Proof), MPa 17 to 120
600 to 910

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 170
440
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 640
1410
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 230
39
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 200
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
3.7
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.3
1.7
Embodied Energy, MJ/kg 160
22
Embodied Water, L/kg 1200
56

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.7 to 21
100 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
950 to 2210
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 7.4 to 14
30 to 35
Strength to Weight: Bending, points 14 to 22
25 to 28
Thermal Diffusivity, mm2/s 94
11
Thermal Shock Resistance, points 3.2 to 6.0
25 to 29

Alloy Composition

Aluminum (Al), % 99.8 to 100
0
Carbon (C), % 0
0.32 to 0.38
Chromium (Cr), % 0
1.4 to 1.7
Copper (Cu), % 0 to 0.030
0
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.15
94.2 to 96.1
Magnesium (Mg), % 0 to 0.020
0
Manganese (Mn), % 0 to 0.020
0.6 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.35
Nickel (Ni), % 0
1.4 to 1.7
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.15
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.030
0
Residuals, % 0 to 0.020
0

Comparable Variants