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6012 Aluminum vs. EN 1.7228 Steel

6012 aluminum belongs to the aluminum alloys classification, while EN 1.7228 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 1.7228 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 9.1 to 11
12
Fatigue Strength, MPa 55 to 100
390
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 130 to 190
540
Tensile Strength: Ultimate (UTS), MPa 220 to 320
900
Tensile Strength: Yield (Proof), MPa 110 to 260
630

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 170
420
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 570
1420
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 160
46
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.5
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1170
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 28
100
Resilience: Unit (Modulus of Resilience), kJ/m3 94 to 480
1050
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 48
24
Strength to Weight: Axial, points 22 to 32
32
Strength to Weight: Bending, points 29 to 37
26
Thermal Diffusivity, mm2/s 62
12
Thermal Shock Resistance, points 10 to 14
26

Alloy Composition

Aluminum (Al), % 92.2 to 98
0
Bismuth (Bi), % 0 to 0.7
0
Carbon (C), % 0
0.46 to 0.54
Chromium (Cr), % 0 to 0.3
0.9 to 1.2
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.5
96.7 to 98
Lead (Pb), % 0.4 to 2.0
0
Magnesium (Mg), % 0.6 to 1.2
0
Manganese (Mn), % 0.4 to 1.0
0.5 to 0.8
Molybdenum (Mo), % 0
0.15 to 0.3
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0.6 to 1.4
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.15
0