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707.0 Aluminum vs. EN 1.0558 Cast Steel

707.0 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 (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 707.0 aluminum and the bottom bar is EN 1.0558 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 1.7 to 3.4
18
Fatigue Strength, MPa 75 to 140
230
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 270 to 300
640
Tensile Strength: Yield (Proof), MPa 170 to 250
340

Thermal Properties

Latent Heat of Fusion, J/g 380
250
Maximum Temperature: Mechanical, °C 180
400
Melting Completion (Liquidus), °C 630
1470
Melting Onset (Solidus), °C 600
1430
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 150
53
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.7
Density, g/cm3 2.9
7.9
Embodied Carbon, kg CO2/kg material 8.3
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1140
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3 to 8.6
99
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 430
300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
24
Strength to Weight: Axial, points 26 to 29
22
Strength to Weight: Bending, points 32 to 34
21
Thermal Diffusivity, mm2/s 58
14
Thermal Shock Resistance, points 12 to 13
20

Alloy Composition

Aluminum (Al), % 90.5 to 93.6
0
Chromium (Cr), % 0.2 to 0.4
0
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 0.8
99.935 to 100
Magnesium (Mg), % 1.8 to 2.4
0
Manganese (Mn), % 0.4 to 0.6
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 4.0 to 4.5
0
Residuals, % 0 to 0.15
0