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8079 Aluminum vs. EN 1.0558 Cast Steel

8079 aluminum belongs to the aluminum alloys classification, while EN 1.0558 cast 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 1.0558 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 2.2
18
Fatigue Strength, MPa 56
230
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 150
640
Tensile Strength: Yield (Proof), MPa 120
340

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 650
1470
Melting Onset (Solidus), °C 640
1430
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 230
53
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 58
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 190
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
1.7
Density, g/cm3 2.8
7.9
Embodied Carbon, kg CO2/kg material 8.2
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1180
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1
99
Resilience: Unit (Modulus of Resilience), kJ/m3 110
300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 15
22
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 92
14
Thermal Shock Resistance, points 6.4
20

Alloy Composition

Aluminum (Al), % 98.1 to 99.3
0
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0.7 to 1.3
99.935 to 100
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0.050 to 0.3
0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0