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206.0 Aluminum vs. N08926 Stainless Steel

206.0 aluminum belongs to the aluminum alloys classification, while N08926 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 206.0 aluminum and the bottom bar is N08926 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 8.4 to 12
40
Fatigue Strength, MPa 88 to 210
290
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
80
Shear Strength, MPa 260
500
Tensile Strength: Ultimate (UTS), MPa 330 to 440
740
Tensile Strength: Yield (Proof), MPa 190 to 350
330

Thermal Properties

Latent Heat of Fusion, J/g 390
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 570
1410
Specific Heat Capacity, J/kg-K 880
460
Thermal Conductivity, W/m-K 120
12
Thermal Expansion, µm/m-K 19
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 99
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
33
Density, g/cm3 3.0
8.1
Embodied Carbon, kg CO2/kg material 8.0
6.2
Embodied Energy, MJ/kg 150
84
Embodied Water, L/kg 1150
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 49
240
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 840
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 30 to 40
25
Strength to Weight: Bending, points 35 to 42
22
Thermal Diffusivity, mm2/s 46
3.2
Thermal Shock Resistance, points 17 to 23
16

Alloy Composition

Aluminum (Al), % 93.3 to 95.3
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 4.2 to 5.0
0.5 to 1.5
Iron (Fe), % 0 to 0.15
41.7 to 50.4
Magnesium (Mg), % 0.15 to 0.35
0
Manganese (Mn), % 0.2 to 0.5
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0 to 0.050
24 to 26
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0