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6060 Aluminum vs. EN 1.7703 Steel

6060 aluminum belongs to the aluminum alloys classification, while EN 1.7703 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 6060 aluminum and the bottom bar is EN 1.7703 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 9.0 to 16
20
Fatigue Strength, MPa 37 to 70
320 to 340
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
74
Shear Strength, MPa 86 to 130
420 to 430
Tensile Strength: Ultimate (UTS), MPa 140 to 220
670 to 690
Tensile Strength: Yield (Proof), MPa 71 to 170
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 160
460
Melting Completion (Liquidus), °C 660
1470
Melting Onset (Solidus), °C 610
1430
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 210
39
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 54
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 180
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
4.2
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.3
2.5
Embodied Energy, MJ/kg 150
35
Embodied Water, L/kg 1190
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 24
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 37 to 210
570 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 14 to 23
24
Strength to Weight: Bending, points 22 to 30
22
Thermal Diffusivity, mm2/s 85
11
Thermal Shock Resistance, points 6.3 to 9.9
19 to 20

Alloy Composition

Aluminum (Al), % 97.9 to 99.3
0
Carbon (C), % 0
0.11 to 0.15
Chromium (Cr), % 0 to 0.050
2.0 to 2.5
Copper (Cu), % 0 to 0.1
0 to 0.2
Iron (Fe), % 0.1 to 0.3
94.6 to 96.4
Magnesium (Mg), % 0.35 to 0.6
0
Manganese (Mn), % 0 to 0.1
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0.3 to 0.6
0 to 0.1
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 0 to 0.1
0 to 0.030
Vanadium (V), % 0
0.25 to 0.35
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0