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206.0 Aluminum vs. S42010 Stainless Steel

206.0 aluminum belongs to the aluminum alloys classification, while S42010 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 S42010 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 8.4 to 12
18
Fatigue Strength, MPa 88 to 210
220
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Shear Strength, MPa 260
370
Tensile Strength: Ultimate (UTS), MPa 330 to 440
590
Tensile Strength: Yield (Proof), MPa 190 to 350
350

Thermal Properties

Latent Heat of Fusion, J/g 390
280
Maximum Temperature: Mechanical, °C 170
800
Melting Completion (Liquidus), °C 650
1440
Melting Onset (Solidus), °C 570
1400
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 120
29
Thermal Expansion, µm/m-K 19
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 99
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 11
8.5
Density, g/cm3 3.0
7.7
Embodied Carbon, kg CO2/kg material 8.0
2.2
Embodied Energy, MJ/kg 150
30
Embodied Water, L/kg 1150
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 49
95
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 840
310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
25
Strength to Weight: Axial, points 30 to 40
21
Strength to Weight: Bending, points 35 to 42
20
Thermal Diffusivity, mm2/s 46
7.9
Thermal Shock Resistance, points 17 to 23
21

Alloy Composition

Aluminum (Al), % 93.3 to 95.3
0
Carbon (C), % 0
0.15 to 0.3
Chromium (Cr), % 0
13.5 to 15
Copper (Cu), % 4.2 to 5.0
0
Iron (Fe), % 0 to 0.15
80.9 to 85.6
Magnesium (Mg), % 0.15 to 0.35
0
Manganese (Mn), % 0.2 to 0.5
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.85
Nickel (Ni), % 0 to 0.050
0.35 to 0.85
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0
0 to 0.030
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