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EN 1.7709 Steel vs. 2036 Aluminum

EN 1.7709 steel belongs to the iron alloys classification, while 2036 aluminum belongs to the aluminum alloys. There are 24 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 2036 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Tensile Strength: Ultimate (UTS), MPa 650 to 780
340

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Maximum Temperature: Mechanical, °C 440
190
Melting Completion (Liquidus), °C 1470
650
Melting Onset (Solidus), °C 1420
560
Specific Heat Capacity, J/kg-K 470
890
Thermal Conductivity, W/m-K 33
160
Thermal Expansion, µm/m-K 11
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
41
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
130

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
10
Density, g/cm3 7.8
2.9
Embodied Carbon, kg CO2/kg material 2.3
8.1
Embodied Energy, MJ/kg 32
150
Embodied Water, L/kg 56
1160

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
48
Strength to Weight: Axial, points 23 to 27
33
Strength to Weight: Bending, points 21 to 24
38
Thermal Diffusivity, mm2/s 8.9
62
Thermal Shock Resistance, points 22 to 26
15

Alloy Composition

Aluminum (Al), % 0 to 0.030
94.4 to 97.4
Carbon (C), % 0.17 to 0.25
0
Chromium (Cr), % 1.2 to 1.5
0 to 0.1
Copper (Cu), % 0
2.2 to 3.0
Iron (Fe), % 95.2 to 97.5
0 to 0.5
Magnesium (Mg), % 0
0.3 to 0.6
Manganese (Mn), % 0.4 to 0.8
0.1 to 0.4
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 to 0.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.15
Vanadium (V), % 0.2 to 0.35
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15