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8079 Aluminum vs. EN 1.0625 Steel

8079 aluminum belongs to the aluminum alloys classification, while EN 1.0625 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 8079 aluminum and the bottom bar is EN 1.0625 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 2.2
25
Fatigue Strength, MPa 56
230
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 150
560
Tensile Strength: Yield (Proof), MPa 120
320

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 640
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 230
47
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 58
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 190
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
2.2
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1180
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1
120
Resilience: Unit (Modulus of Resilience), kJ/m3 110
270
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 15
20
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 92
13
Thermal Shock Resistance, points 6.4
18

Alloy Composition

Aluminum (Al), % 98.1 to 99.3
0
Carbon (C), % 0
0.18 to 0.25
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.050
0 to 0.3
Iron (Fe), % 0.7 to 1.3
96.6 to 99.02
Manganese (Mn), % 0
0.8 to 1.4
Molybdenum (Mo), % 0
0 to 0.12
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.050 to 0.3
0 to 0.6
Sulfur (S), % 0
0 to 0.020
Vanadium (V), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0