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S32550 Stainless Steel vs. 6014 Aluminum

S32550 stainless steel belongs to the iron alloys classification, while 6014 aluminum belongs to the aluminum alloys. There are 30 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 S32550 stainless steel and the bottom bar is 6014 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
69
Elongation at Break, % 21
9.1 to 17
Fatigue Strength, MPa 400
43 to 79
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 80
26
Shear Strength, MPa 540
96 to 150
Tensile Strength: Ultimate (UTS), MPa 860
160 to 260
Tensile Strength: Yield (Proof), MPa 620
80 to 200

Thermal Properties

Latent Heat of Fusion, J/g 300
400
Maximum Temperature: Mechanical, °C 1100
180
Melting Completion (Liquidus), °C 1440
640
Melting Onset (Solidus), °C 1390
620
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 16
200
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
53
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
180

Otherwise Unclassified Properties

Base Metal Price, % relative 20
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 3.8
8.6
Embodied Energy, MJ/kg 53
160
Embodied Water, L/kg 180
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
22
Resilience: Unit (Modulus of Resilience), kJ/m3 940
46 to 300
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 31
16 to 26
Strength to Weight: Bending, points 26
24 to 33
Thermal Diffusivity, mm2/s 4.4
83
Thermal Shock Resistance, points 23
7.0 to 11

Alloy Composition

Aluminum (Al), % 0
97.1 to 99.2
Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 24 to 27
0 to 0.2
Copper (Cu), % 1.5 to 2.5
0 to 0.25
Iron (Fe), % 57.2 to 67
0 to 0.35
Magnesium (Mg), % 0
0.4 to 0.8
Manganese (Mn), % 0 to 1.5
0.050 to 0.2
Molybdenum (Mo), % 2.9 to 3.9
0
Nickel (Ni), % 4.5 to 6.5
0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0.3 to 0.6
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.1
Vanadium (V), % 0
0.050 to 0.2
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15