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206.0 Aluminum vs. EN 1.5681 Steel

206.0 aluminum belongs to the aluminum alloys classification, while EN 1.5681 steel belongs to the iron alloys. There are 31 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 206.0 aluminum and the bottom bar is EN 1.5681 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 95 to 110
190
Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 8.4 to 12
20
Fatigue Strength, MPa 88 to 210
300
Impact Strength: V-Notched Charpy, J 9.5
110
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Tensile Strength: Ultimate (UTS), MPa 330 to 440
630
Tensile Strength: Yield (Proof), MPa 190 to 350
430

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Maximum Temperature: Mechanical, °C 170
420
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 570
1420
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 120
48
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 99
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 11
5.0
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 8.0
1.9
Embodied Energy, MJ/kg 150
25
Embodied Water, L/kg 1150
55

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 49
110
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 840
490
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 30 to 40
22
Strength to Weight: Bending, points 35 to 42
21
Thermal Diffusivity, mm2/s 46
13
Thermal Shock Resistance, points 17 to 23
19

Alloy Composition

Aluminum (Al), % 93.3 to 95.3
0
Carbon (C), % 0
0.060 to 0.12
Copper (Cu), % 4.2 to 5.0
0
Iron (Fe), % 0 to 0.15
92.9 to 94.9
Magnesium (Mg), % 0.15 to 0.35
0
Manganese (Mn), % 0.2 to 0.5
0.5 to 0.8
Nickel (Ni), % 0 to 0.050
4.5 to 5.5
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.1
0 to 0.6
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0