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B535.0 Aluminum vs. S39277 Stainless Steel

B535.0 aluminum belongs to the aluminum alloys classification, while S39277 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 B535.0 aluminum and the bottom bar is S39277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
250
Elastic (Young's, Tensile) Modulus, GPa 66
200
Elongation at Break, % 10
28
Fatigue Strength, MPa 62
480
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 25
80
Shear Strength, MPa 210
600
Tensile Strength: Ultimate (UTS), MPa 260
930
Tensile Strength: Yield (Proof), MPa 130
660

Thermal Properties

Latent Heat of Fusion, J/g 390
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 630
1460
Melting Onset (Solidus), °C 550
1410
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 96
16
Thermal Expansion, µm/m-K 25
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 82
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 9.4
4.2
Embodied Energy, MJ/kg 160
59
Embodied Water, L/kg 1180
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
240
Resilience: Unit (Modulus of Resilience), kJ/m3 130
1070
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 28
33
Strength to Weight: Bending, points 35
27
Thermal Diffusivity, mm2/s 40
4.2
Thermal Shock Resistance, points 11
26

Alloy Composition

Aluminum (Al), % 91.7 to 93.4
0
Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0 to 0.1
1.2 to 2.0
Iron (Fe), % 0 to 0.15
56.8 to 64.3
Magnesium (Mg), % 6.5 to 7.5
0
Manganese (Mn), % 0 to 0.050
0 to 0.8
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
6.5 to 8.0
Nitrogen (N), % 0
0.23 to 0.33
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.15
0 to 0.8
Sulfur (S), % 0
0 to 0.0020
Titanium (Ti), % 0.1 to 0.25
0
Tungsten (W), % 0
0.8 to 1.2
Residuals, % 0 to 0.15
0