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6101 Aluminum vs. EN 1.7365 Steel

6101 aluminum belongs to the aluminum alloys classification, while EN 1.7365 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, 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 6101 aluminum and the bottom bar is EN 1.7365 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 10 to 25
18
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
74

Thermal Properties

Latent Heat of Fusion, J/g 400
260
Maximum Temperature: Mechanical, °C 160
510
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 620
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 220 to 230
40
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 57 to 60
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 190 to 200
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
4.4
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.3
1.8
Embodied Energy, MJ/kg 150
24
Embodied Water, L/kg 1190
70

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Thermal Diffusivity, mm2/s 89 to 93
11

Alloy Composition

Aluminum (Al), % 97.6 to 99.4
0
Boron (B), % 0 to 0.060
0
Carbon (C), % 0
0.12 to 0.19
Chromium (Cr), % 0 to 0.030
4.0 to 6.0
Copper (Cu), % 0 to 0.1
0 to 0.3
Iron (Fe), % 0 to 0.5
91.2 to 94.9
Magnesium (Mg), % 0.35 to 0.8
0
Manganese (Mn), % 0 to 0.030
0.5 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.65
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.3 to 0.7
0 to 0.8
Sulfur (S), % 0
0 to 0.025
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.1
0