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B535.0 Aluminum vs. S42300 Stainless Steel

B535.0 aluminum belongs to the aluminum alloys classification, while S42300 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
330
Elastic (Young's, Tensile) Modulus, GPa 66
200
Elongation at Break, % 10
9.1
Fatigue Strength, MPa 62
440
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 25
77
Shear Strength, MPa 210
650
Tensile Strength: Ultimate (UTS), MPa 260
1100
Tensile Strength: Yield (Proof), MPa 130
850

Thermal Properties

Latent Heat of Fusion, J/g 390
270
Maximum Temperature: Mechanical, °C 170
750
Melting Completion (Liquidus), °C 630
1470
Melting Onset (Solidus), °C 550
1420
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 96
25
Thermal Expansion, µm/m-K 25
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
4.5
Electrical Conductivity: Equal Weight (Specific), % IACS 82
5.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 9.4
3.2
Embodied Energy, MJ/kg 160
44
Embodied Water, L/kg 1180
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
93
Resilience: Unit (Modulus of Resilience), kJ/m3 130
1840
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 28
39
Strength to Weight: Bending, points 35
30
Thermal Diffusivity, mm2/s 40
6.8
Thermal Shock Resistance, points 11
40

Alloy Composition

Aluminum (Al), % 91.7 to 93.4
0
Carbon (C), % 0
0.27 to 0.32
Chromium (Cr), % 0
11 to 12
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.15
82 to 85.1
Magnesium (Mg), % 6.5 to 7.5
0
Manganese (Mn), % 0 to 0.050
1.0 to 1.4
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.15
0 to 0.5
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0.1 to 0.25
0
Vanadium (V), % 0
0.2 to 0.3
Residuals, % 0 to 0.15
0