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EN 1.3536 Steel vs. 7050 Aluminum

EN 1.3536 steel belongs to the iron alloys classification, while 7050 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 1.3536 steel and the bottom bar is 7050 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
26
Tensile Strength: Ultimate (UTS), MPa 660
490 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
370
Maximum Temperature: Mechanical, °C 440
190
Melting Completion (Liquidus), °C 1450
630
Melting Onset (Solidus), °C 1410
490
Specific Heat Capacity, J/kg-K 470
860
Thermal Conductivity, W/m-K 41
140
Thermal Expansion, µm/m-K 13
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
35
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
100

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
10
Density, g/cm3 7.8
3.1
Embodied Carbon, kg CO2/kg material 1.6
8.2
Embodied Energy, MJ/kg 21
150
Embodied Water, L/kg 55
1120

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
45
Strength to Weight: Axial, points 23
45 to 51
Strength to Weight: Bending, points 22
45 to 50
Thermal Diffusivity, mm2/s 11
54
Thermal Shock Resistance, points 19
21 to 25

Alloy Composition

Aluminum (Al), % 0 to 0.050
87.3 to 92.1
Carbon (C), % 0.93 to 1.1
0
Chromium (Cr), % 1.7 to 2.0
0 to 0.040
Copper (Cu), % 0 to 0.3
2.0 to 2.6
Iron (Fe), % 96 to 97.4
0 to 0.15
Magnesium (Mg), % 0
1.9 to 2.6
Manganese (Mn), % 0.6 to 0.8
0 to 0.1
Molybdenum (Mo), % 0.2 to 0.35
0
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.15 to 0.45
0 to 0.12
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.060
Zinc (Zn), % 0
5.7 to 6.7
Zirconium (Zr), % 0
0.080 to 0.15
Residuals, % 0
0 to 0.15