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6162 Aluminum vs. S35140 Stainless Steel

6162 aluminum belongs to the aluminum alloys classification, while S35140 stainless steel belongs to the iron alloys. There are 30 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 6162 aluminum and the bottom bar is S35140 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 6.7 to 9.1
34
Fatigue Strength, MPa 100 to 130
250
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
78
Shear Strength, MPa 170 to 180
460
Tensile Strength: Ultimate (UTS), MPa 290 to 300
690
Tensile Strength: Yield (Proof), MPa 260 to 270
310

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 160
1100
Melting Completion (Liquidus), °C 640
1420
Melting Onset (Solidus), °C 620
1370
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 190
14
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 170
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
31
Density, g/cm3 2.7
8.0
Embodied Carbon, kg CO2/kg material 8.3
5.5
Embodied Energy, MJ/kg 150
78
Embodied Water, L/kg 1180
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 26
190
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 550
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 29 to 30
24
Strength to Weight: Bending, points 36
22
Thermal Diffusivity, mm2/s 79
3.7
Thermal Shock Resistance, points 13
16

Alloy Composition

Aluminum (Al), % 96.7 to 98.9
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0 to 0.1
20 to 22
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 0.5
44.1 to 52.7
Magnesium (Mg), % 0.7 to 1.1
0
Manganese (Mn), % 0 to 0.1
1.0 to 3.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0
25 to 27
Niobium (Nb), % 0
0.25 to 0.75
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0.4 to 0.8
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0