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EN 1.7709 Steel vs. 6005 Aluminum

EN 1.7709 steel belongs to the iron alloys classification, while 6005 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 1.7709 steel and the bottom bar is 6005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 230
90 to 95
Elastic (Young's, Tensile) Modulus, GPa 190
68
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Tensile Strength: Ultimate (UTS), MPa 650 to 780
190 to 310

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 440
160
Melting Completion (Liquidus), °C 1470
650
Melting Onset (Solidus), °C 1420
610
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 33
180 to 200
Thermal Expansion, µm/m-K 11
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
54
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
180

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 2.3
8.3
Embodied Energy, MJ/kg 32
150
Embodied Water, L/kg 56
1180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
51
Strength to Weight: Axial, points 23 to 27
20 to 32
Strength to Weight: Bending, points 21 to 24
28 to 38
Thermal Diffusivity, mm2/s 8.9
74 to 83
Thermal Shock Resistance, points 22 to 26
8.6 to 14

Alloy Composition

Aluminum (Al), % 0 to 0.030
97.5 to 99
Carbon (C), % 0.17 to 0.25
0
Chromium (Cr), % 1.2 to 1.5
0 to 0.1
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 95.2 to 97.5
0 to 0.35
Magnesium (Mg), % 0
0.4 to 0.6
Manganese (Mn), % 0.4 to 0.8
0 to 0.1
Molybdenum (Mo), % 0.55 to 0.8
0
Nickel (Ni), % 0 to 0.6
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0.6 to 0.9
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.1
Vanadium (V), % 0.2 to 0.35
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15