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S44735 Stainless Steel vs. 5086 Aluminum

S44735 stainless steel belongs to the iron alloys classification, while 5086 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, 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 S44735 stainless steel and the bottom bar is 5086 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
65 to 100
Elastic (Young's, Tensile) Modulus, GPa 210
68
Elongation at Break, % 21
1.7 to 20
Fatigue Strength, MPa 300
88 to 180
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 82
26
Shear Strength, MPa 390
160 to 230
Tensile Strength: Ultimate (UTS), MPa 630
270 to 390
Tensile Strength: Yield (Proof), MPa 460
110 to 320

Thermal Properties

Latent Heat of Fusion, J/g 310
400
Maximum Temperature: Corrosion, °C 650
65
Maximum Temperature: Mechanical, °C 1100
190
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1420
590
Specific Heat Capacity, J/kg-K 480
900
Thermal Expansion, µm/m-K 11
24

Otherwise Unclassified Properties

Base Metal Price, % relative 21
9.5
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 4.4
8.8
Embodied Energy, MJ/kg 61
150
Embodied Water, L/kg 180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
5.8 to 42
Resilience: Unit (Modulus of Resilience), kJ/m3 520
86 to 770
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
50
Strength to Weight: Axial, points 23
28 to 40
Strength to Weight: Bending, points 21
34 to 44
Thermal Shock Resistance, points 20
12 to 17

Alloy Composition

Aluminum (Al), % 0
93 to 96.3
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 28 to 30
0.050 to 0.25
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 60.7 to 68.4
0 to 0.5
Magnesium (Mg), % 0
3.5 to 4.5
Manganese (Mn), % 0 to 1.0
0.2 to 0.7
Molybdenum (Mo), % 3.6 to 4.2
0
Nickel (Ni), % 0 to 1.0
0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0.2 to 1.0
0 to 0.15
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15