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EN AC-45000 Aluminum vs. EN 1.6579 Steel

EN AC-45000 aluminum belongs to the aluminum alloys classification, while EN 1.6579 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 EN AC-45000 aluminum and the bottom bar is EN 1.6579 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 77
260 to 290
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 1.1
11 to 14
Fatigue Strength, MPa 75
380 to 570
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Tensile Strength: Ultimate (UTS), MPa 180
850 to 980
Tensile Strength: Yield (Proof), MPa 110
600 to 910

Thermal Properties

Latent Heat of Fusion, J/g 470
250
Maximum Temperature: Mechanical, °C 180
440
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 520
1410
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 120
39
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 81
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 11
3.7
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 7.7
1.7
Embodied Energy, MJ/kg 140
22
Embodied Water, L/kg 1070
56

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7
100 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 80
950 to 2210
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 47
24
Strength to Weight: Axial, points 17
30 to 35
Strength to Weight: Bending, points 24
25 to 28
Thermal Diffusivity, mm2/s 47
11
Thermal Shock Resistance, points 8.0
25 to 29

Alloy Composition

Aluminum (Al), % 82.2 to 91.8
0
Carbon (C), % 0
0.32 to 0.38
Chromium (Cr), % 0 to 0.15
1.4 to 1.7
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 0 to 1.0
94.2 to 96.1
Lead (Pb), % 0 to 0.3
0
Magnesium (Mg), % 0 to 0.55
0
Manganese (Mn), % 0.2 to 0.65
0.6 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.35
Nickel (Ni), % 0 to 0.45
1.4 to 1.7
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 5.0 to 7.0
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 2.0
0
Residuals, % 0 to 0.35
0