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6008 Aluminum vs. EN 1.4662 Stainless Steel

6008 aluminum belongs to the aluminum alloys classification, while EN 1.4662 stainless 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 6008 aluminum and the bottom bar is EN 1.4662 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 9.1 to 17
28
Fatigue Strength, MPa 55 to 88
430 to 450
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
79
Shear Strength, MPa 120 to 170
520 to 540
Tensile Strength: Ultimate (UTS), MPa 200 to 290
810 to 830
Tensile Strength: Yield (Proof), MPa 100 to 220
580 to 620

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 180
1090
Melting Completion (Liquidus), °C 640
1430
Melting Onset (Solidus), °C 620
1380
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 190
15
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 160
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
16
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 8.5
3.2
Embodied Energy, MJ/kg 160
45
Embodied Water, L/kg 1180
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 28
210
Resilience: Unit (Modulus of Resilience), kJ/m3 76 to 360
840 to 940
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 21 to 29
29 to 30
Strength to Weight: Bending, points 28 to 35
25
Thermal Diffusivity, mm2/s 77
3.9
Thermal Shock Resistance, points 9.0 to 13
22

Alloy Composition

Aluminum (Al), % 96.5 to 99.1
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.3
23 to 25
Copper (Cu), % 0 to 0.3
0.1 to 0.8
Iron (Fe), % 0 to 0.35
62.6 to 70.2
Magnesium (Mg), % 0.4 to 0.7
0
Manganese (Mn), % 0 to 0.3
2.5 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0
3.0 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0.5 to 0.9
0 to 0.7
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 0 to 0.1
0
Vanadium (V), % 0.050 to 0.2
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0