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6012 Aluminum vs. EN 1.4008 Stainless Steel

6012 aluminum belongs to the aluminum alloys classification, while EN 1.4008 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 1.4008 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 9.1 to 11
17
Fatigue Strength, MPa 55 to 100
300
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Tensile Strength: Ultimate (UTS), MPa 220 to 320
670
Tensile Strength: Yield (Proof), MPa 110 to 260
500

Thermal Properties

Latent Heat of Fusion, J/g 400
280
Maximum Temperature: Mechanical, °C 170
760
Melting Completion (Liquidus), °C 640
1450
Melting Onset (Solidus), °C 570
1400
Specific Heat Capacity, J/kg-K 890
480
Thermal Conductivity, W/m-K 160
25
Thermal Expansion, µm/m-K 23
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 140
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
8.0
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 8.2
2.1
Embodied Energy, MJ/kg 150
30
Embodied Water, L/kg 1170
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 28
100
Resilience: Unit (Modulus of Resilience), kJ/m3 94 to 480
630
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 48
25
Strength to Weight: Axial, points 22 to 32
24
Strength to Weight: Bending, points 29 to 37
22
Thermal Diffusivity, mm2/s 62
6.7
Thermal Shock Resistance, points 10 to 14
23

Alloy Composition

Aluminum (Al), % 92.2 to 98
0
Bismuth (Bi), % 0 to 0.7
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0 to 0.3
12 to 13.5
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.5
81.8 to 86.8
Lead (Pb), % 0.4 to 2.0
0
Magnesium (Mg), % 0.6 to 1.2
0
Manganese (Mn), % 0.4 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0.2 to 0.5
Nickel (Ni), % 0
1.0 to 2.0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0.6 to 1.4
0 to 1.0
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.15
0