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S32053 Stainless Steel vs. B443.0 Aluminum

S32053 stainless steel belongs to the iron alloys classification, while B443.0 aluminum belongs to the aluminum 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 S32053 stainless steel and the bottom bar is B443.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
43
Elastic (Young's, Tensile) Modulus, GPa 210
70
Elongation at Break, % 46
4.9
Fatigue Strength, MPa 310
55
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 80
26
Shear Strength, MPa 510
110
Tensile Strength: Ultimate (UTS), MPa 730
150
Tensile Strength: Yield (Proof), MPa 330
50

Thermal Properties

Latent Heat of Fusion, J/g 310
470
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1450
620
Melting Onset (Solidus), °C 1400
600
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 13
150
Thermal Expansion, µm/m-K 16
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
38
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
130

Otherwise Unclassified Properties

Base Metal Price, % relative 33
9.5
Density, g/cm3 8.1
2.7
Embodied Carbon, kg CO2/kg material 6.1
8.0
Embodied Energy, MJ/kg 83
150
Embodied Water, L/kg 210
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 270
18
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
52
Strength to Weight: Axial, points 25
15
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 3.3
61
Thermal Shock Resistance, points 16
6.8

Alloy Composition

Aluminum (Al), % 0
91.9 to 95.5
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 22 to 24
0
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 41.7 to 48.8
0 to 0.8
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0 to 0.35
Molybdenum (Mo), % 5.0 to 6.0
0
Nickel (Ni), % 24 to 26
0
Nitrogen (N), % 0.17 to 0.22
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
4.5 to 6.0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.35
Residuals, % 0
0 to 0.15