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206.0 Aluminum vs. S35315 Stainless Steel

206.0 aluminum belongs to the aluminum alloys classification, while S35315 stainless steel belongs to the iron alloys. There are 31 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 S35315 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 95 to 110
190
Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 8.4 to 12
46
Fatigue Strength, MPa 88 to 210
280
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
78
Shear Strength, MPa 260
520
Tensile Strength: Ultimate (UTS), MPa 330 to 440
740
Tensile Strength: Yield (Proof), MPa 190 to 350
300

Thermal Properties

Latent Heat of Fusion, J/g 390
330
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 650
1370
Melting Onset (Solidus), °C 570
1330
Specific Heat Capacity, J/kg-K 880
480
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
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 11
34
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 8.0
5.7
Embodied Energy, MJ/kg 150
81
Embodied Water, L/kg 1150
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 49
270
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 840
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
25
Strength to Weight: Axial, points 30 to 40
26
Strength to Weight: Bending, points 35 to 42
23
Thermal Diffusivity, mm2/s 46
3.1
Thermal Shock Resistance, points 17 to 23
17

Alloy Composition

Aluminum (Al), % 93.3 to 95.3
0
Carbon (C), % 0
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.1
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 4.2 to 5.0
0
Iron (Fe), % 0 to 0.15
33.6 to 40.6
Magnesium (Mg), % 0.15 to 0.35
0
Manganese (Mn), % 0.2 to 0.5
0 to 2.0
Nickel (Ni), % 0 to 0.050
34 to 36
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.1
1.2 to 2.0
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