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S28200 Stainless Steel vs. B443.0 Aluminum

S28200 stainless steel belongs to the iron alloys classification, while B443.0 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, 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 S28200 stainless steel and the bottom bar is B443.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
43
Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 45
4.9
Fatigue Strength, MPa 430
55
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
26
Shear Strength, MPa 610
110
Tensile Strength: Ultimate (UTS), MPa 870
150
Tensile Strength: Yield (Proof), MPa 460
50

Thermal Properties

Latent Heat of Fusion, J/g 290
470
Maximum Temperature: Mechanical, °C 900
170
Melting Completion (Liquidus), °C 1380
620
Melting Onset (Solidus), °C 1330
600
Specific Heat Capacity, J/kg-K 480
900
Thermal Expansion, µm/m-K 18
22

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 7.6
2.7
Embodied Carbon, kg CO2/kg material 2.8
8.0
Embodied Energy, MJ/kg 41
150
Embodied Water, L/kg 160
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 540
18
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 26
52
Strength to Weight: Axial, points 32
15
Strength to Weight: Bending, points 27
23
Thermal Shock Resistance, points 17
6.8

Alloy Composition

Aluminum (Al), % 0
91.9 to 95.5
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0.75 to 1.3
0 to 0.15
Iron (Fe), % 57.7 to 64.1
0 to 0.8
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 17 to 19
0 to 0.35
Molybdenum (Mo), % 0.75 to 1.3
0
Nitrogen (N), % 0.4 to 0.6
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
4.5 to 6.0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.35
Residuals, % 0
0 to 0.15