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6106 Aluminum vs. EN 1.5450 Steel

6106 aluminum belongs to the aluminum alloys classification, while EN 1.5450 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 6106 aluminum and the bottom bar is EN 1.5450 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 9.1
19
Fatigue Strength, MPa 88
310
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 170
380
Tensile Strength: Ultimate (UTS), MPa 290
620
Tensile Strength: Yield (Proof), MPa 220
460

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 160
410
Melting Completion (Liquidus), °C 660
1470
Melting Onset (Solidus), °C 610
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 190
49
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 160
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.4
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.3
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1190
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
110
Resilience: Unit (Modulus of Resilience), kJ/m3 370
550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 29
22
Strength to Weight: Bending, points 35
20
Thermal Diffusivity, mm2/s 78
13
Thermal Shock Resistance, points 13
18

Alloy Composition

Aluminum (Al), % 97.2 to 99.3
0 to 0.060
Boron (B), % 0
0.0020 to 0.0060
Carbon (C), % 0
0.060 to 0.1
Chromium (Cr), % 0 to 0.2
0 to 0.2
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 0 to 0.35
97.6 to 98.8
Magnesium (Mg), % 0.4 to 0.8
0
Manganese (Mn), % 0.050 to 0.2
0.6 to 0.8
Molybdenum (Mo), % 0
0.4 to 0.5
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.3 to 0.6
0.1 to 0.35
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.1
0 to 0.060
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0