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B535.0 Aluminum vs. S20433 Stainless Steel

B535.0 aluminum belongs to the aluminum alloys classification, while S20433 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 S20433 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
190
Elastic (Young's, Tensile) Modulus, GPa 66
200
Elongation at Break, % 10
46
Fatigue Strength, MPa 62
250
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 25
76
Shear Strength, MPa 210
440
Tensile Strength: Ultimate (UTS), MPa 260
630
Tensile Strength: Yield (Proof), MPa 130
270

Thermal Properties

Latent Heat of Fusion, J/g 390
280
Maximum Temperature: Mechanical, °C 170
900
Melting Completion (Liquidus), °C 630
1400
Melting Onset (Solidus), °C 550
1360
Specific Heat Capacity, J/kg-K 910
480
Thermal Conductivity, W/m-K 96
15
Thermal Expansion, µm/m-K 25
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 82
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.6
7.7
Embodied Carbon, kg CO2/kg material 9.4
2.7
Embodied Energy, MJ/kg 160
39
Embodied Water, L/kg 1180
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
230
Resilience: Unit (Modulus of Resilience), kJ/m3 130
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 28
23
Strength to Weight: Bending, points 35
21
Thermal Diffusivity, mm2/s 40
4.0
Thermal Shock Resistance, points 11
14

Alloy Composition

Aluminum (Al), % 91.7 to 93.4
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17 to 18
Copper (Cu), % 0 to 0.1
1.5 to 3.5
Iron (Fe), % 0 to 0.15
64.1 to 72.4
Magnesium (Mg), % 6.5 to 7.5
0
Manganese (Mn), % 0 to 0.050
5.5 to 7.5
Nickel (Ni), % 0
3.5 to 5.5
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.15
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0.1 to 0.25
0
Residuals, % 0 to 0.15
0