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6101B Aluminum vs. N08535 Stainless Steel

6101B aluminum belongs to the aluminum alloys classification, while N08535 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 6101B aluminum and the bottom bar is N08535 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 9.1 to 13
46
Fatigue Strength, MPa 62 to 70
220
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
80
Shear Strength, MPa 120 to 150
400
Tensile Strength: Ultimate (UTS), MPa 190 to 250
570
Tensile Strength: Yield (Proof), MPa 140 to 180
240

Thermal Properties

Latent Heat of Fusion, J/g 400
310
Maximum Temperature: Mechanical, °C 160
1100
Melting Completion (Liquidus), °C 640
1420
Melting Onset (Solidus), °C 630
1370
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 210
13
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 57
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 190
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
36
Density, g/cm3 2.7
8.1
Embodied Carbon, kg CO2/kg material 8.3
6.3
Embodied Energy, MJ/kg 150
87
Embodied Water, L/kg 1190
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 23
210
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 240
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 20 to 25
20
Strength to Weight: Bending, points 27 to 32
19
Thermal Diffusivity, mm2/s 87
3.3
Thermal Shock Resistance, points 8.5 to 11
13

Alloy Composition

Aluminum (Al), % 98.2 to 99.3
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 27
Copper (Cu), % 0 to 0.050
0 to 1.5
Iron (Fe), % 0.1 to 0.3
29.4 to 44.5
Magnesium (Mg), % 0.35 to 0.6
0
Manganese (Mn), % 0 to 0.050
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 4.0
Nickel (Ni), % 0
29 to 36.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.3 to 0.6
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.1
0