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EN 1.7117 Steel vs. A535.0 Aluminum

EN 1.7117 steel belongs to the iron alloys classification, while A535.0 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, 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 1.7117 steel and the bottom bar is A535.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
67
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
25
Tensile Strength: Ultimate (UTS), MPa 660 to 1930
250

Thermal Properties

Latent Heat of Fusion, J/g 270
390
Maximum Temperature: Mechanical, °C 420
170
Melting Completion (Liquidus), °C 1440
620
Melting Onset (Solidus), °C 1400
550
Specific Heat Capacity, J/kg-K 480
910
Thermal Conductivity, W/m-K 43
100
Thermal Expansion, µm/m-K 13
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
23
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
79

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
9.5
Density, g/cm3 7.7
2.6
Embodied Carbon, kg CO2/kg material 1.5
9.3
Embodied Energy, MJ/kg 21
160
Embodied Water, L/kg 51
1180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 24 to 69
26
Strength to Weight: Bending, points 22 to 44
33
Thermal Diffusivity, mm2/s 12
42
Thermal Shock Resistance, points 20 to 58
11

Alloy Composition

Aluminum (Al), % 0
91.4 to 93.4
Carbon (C), % 0.49 to 0.56
0
Chromium (Cr), % 0.7 to 1.0
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 95.2 to 96.4
0 to 0.2
Magnesium (Mg), % 0
6.5 to 7.5
Manganese (Mn), % 0.7 to 1.0
0.1 to 0.25
Nickel (Ni), % 0.5 to 0.7
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 1.2 to 1.5
0 to 0.2
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0 to 0.25
Residuals, % 0
0 to 0.15