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S28200 Stainless Steel vs. 5088 Aluminum

S28200 stainless steel belongs to the iron alloys classification, while 5088 aluminum belongs to the aluminum alloys. There are 26 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 5088 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 45
29
Fatigue Strength, MPa 430
180
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
25
Shear Strength, MPa 610
200
Tensile Strength: Ultimate (UTS), MPa 870
310
Tensile Strength: Yield (Proof), MPa 460
150

Thermal Properties

Latent Heat of Fusion, J/g 290
390
Maximum Temperature: Mechanical, °C 900
200
Melting Completion (Liquidus), °C 1380
640
Melting Onset (Solidus), °C 1330
540
Specific Heat Capacity, J/kg-K 480
900
Thermal Expansion, µm/m-K 18
24

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
9.0
Embodied Energy, MJ/kg 41
150
Embodied Water, L/kg 160
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
76
Resilience: Unit (Modulus of Resilience), kJ/m3 540
170
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
50
Strength to Weight: Axial, points 32
32
Strength to Weight: Bending, points 27
38
Thermal Shock Resistance, points 17
14

Alloy Composition

Aluminum (Al), % 0
92.4 to 94.8
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 17 to 19
0 to 0.15
Copper (Cu), % 0.75 to 1.3
0 to 0.25
Iron (Fe), % 57.7 to 64.1
0.1 to 0.35
Magnesium (Mg), % 0
4.7 to 5.5
Manganese (Mn), % 17 to 19
0.2 to 0.5
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
0 to 0.2
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0.2 to 0.4
Zirconium (Zr), % 0
0 to 0.15
Residuals, % 0
0 to 0.15