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6012 Aluminum vs. EN 1.7709 Steel

6012 aluminum belongs to the aluminum alloys classification, while EN 1.7709 steel belongs to the iron 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 6012 aluminum and the bottom bar is EN 1.7709 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 220 to 320
650 to 780

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 170
440
Melting Completion (Liquidus), °C 640
1470
Melting Onset (Solidus), °C 570
1420
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 160
33
Thermal Expansion, µm/m-K 23
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
3.4
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 8.2
2.3
Embodied Energy, MJ/kg 150
32
Embodied Water, L/kg 1170
56

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 48
24
Strength to Weight: Axial, points 22 to 32
23 to 27
Strength to Weight: Bending, points 29 to 37
21 to 24
Thermal Diffusivity, mm2/s 62
8.9
Thermal Shock Resistance, points 10 to 14
22 to 26

Alloy Composition

Aluminum (Al), % 92.2 to 98
0 to 0.030
Bismuth (Bi), % 0 to 0.7
0
Carbon (C), % 0
0.17 to 0.25
Chromium (Cr), % 0 to 0.3
1.2 to 1.5
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.5
95.2 to 97.5
Lead (Pb), % 0.4 to 2.0
0
Magnesium (Mg), % 0.6 to 1.2
0
Manganese (Mn), % 0.4 to 1.0
0.4 to 0.8
Molybdenum (Mo), % 0
0.55 to 0.8
Nickel (Ni), % 0
0 to 0.6
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.6 to 1.4
0 to 0.4
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.2
0
Vanadium (V), % 0
0.2 to 0.35
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.15
0