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511.0 Aluminum vs. S32906 Stainless Steel

511.0 aluminum belongs to the aluminum alloys classification, while S32906 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 511.0 aluminum and the bottom bar is S32906 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 50
270
Elastic (Young's, Tensile) Modulus, GPa 68
210
Elongation at Break, % 3.0
28
Fatigue Strength, MPa 55
460
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 25
81
Shear Strength, MPa 120
550
Tensile Strength: Ultimate (UTS), MPa 150
850
Tensile Strength: Yield (Proof), MPa 83
620

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 640
1430
Melting Onset (Solidus), °C 590
1380
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 140
13
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
20
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 8.8
3.7
Embodied Energy, MJ/kg 150
52
Embodied Water, L/kg 1180
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.7
220
Resilience: Unit (Modulus of Resilience), kJ/m3 51
950
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 15
30
Strength to Weight: Bending, points 23
26
Thermal Diffusivity, mm2/s 59
3.6
Thermal Shock Resistance, points 6.5
23

Alloy Composition

Aluminum (Al), % 93.3 to 96.2
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 0 to 0.15
0 to 0.8
Iron (Fe), % 0 to 0.5
56.6 to 63.6
Magnesium (Mg), % 3.5 to 4.5
0
Manganese (Mn), % 0 to 0.35
0.8 to 1.5
Molybdenum (Mo), % 0
1.5 to 2.6
Nickel (Ni), % 0
5.8 to 7.5
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.3 to 0.7
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0