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S44635 Stainless Steel vs. 5050 Aluminum

S44635 stainless steel belongs to the iron alloys classification, while 5050 aluminum belongs to the aluminum 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 S44635 stainless steel and the bottom bar is 5050 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
36 to 68
Elastic (Young's, Tensile) Modulus, GPa 210
68
Elongation at Break, % 23
1.7 to 22
Fatigue Strength, MPa 390
45 to 100
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 81
26
Shear Strength, MPa 450
91 to 140
Tensile Strength: Ultimate (UTS), MPa 710
140 to 250
Tensile Strength: Yield (Proof), MPa 580
50 to 210

Thermal Properties

Latent Heat of Fusion, J/g 300
400
Maximum Temperature: Mechanical, °C 1100
180
Melting Completion (Liquidus), °C 1460
650
Melting Onset (Solidus), °C 1420
630
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 16
190
Thermal Expansion, µm/m-K 11
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
50
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
170

Otherwise Unclassified Properties

Base Metal Price, % relative 22
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 4.4
8.4
Embodied Energy, MJ/kg 62
150
Embodied Water, L/kg 170
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
4.1 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 810
18 to 330
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 25
15 to 26
Strength to Weight: Bending, points 23
22 to 33
Thermal Diffusivity, mm2/s 4.4
79
Thermal Shock Resistance, points 23
6.3 to 11

Alloy Composition

Aluminum (Al), % 0
96.3 to 98.9
Carbon (C), % 0 to 0.025
0
Chromium (Cr), % 24.5 to 26
0 to 0.1
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 61.5 to 68.5
0 to 0.7
Magnesium (Mg), % 0
1.1 to 1.8
Manganese (Mn), % 0 to 1.0
0 to 0.1
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 3.5 to 4.5
0
Niobium (Nb), % 0.2 to 0.8
0
Nitrogen (N), % 0 to 0.035
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0.2 to 0.8
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15