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6106 Aluminum vs. N08800 Stainless Steel

6106 aluminum belongs to the aluminum alloys classification, while N08800 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 6106 aluminum and the bottom bar is N08800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 9.1
4.5 to 34
Fatigue Strength, MPa 88
150 to 390
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Shear Strength, MPa 170
340 to 580
Tensile Strength: Ultimate (UTS), MPa 290
500 to 1000
Tensile Strength: Yield (Proof), MPa 220
190 to 830

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 160
1100
Melting Completion (Liquidus), °C 660
1390
Melting Onset (Solidus), °C 610
1360
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 190
12
Thermal Expansion, µm/m-K 23
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 160
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
30
Density, g/cm3 2.7
8.0
Embodied Carbon, kg CO2/kg material 8.3
5.3
Embodied Energy, MJ/kg 150
76
Embodied Water, L/kg 1190
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
42 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 370
96 to 1740
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 29
18 to 35
Strength to Weight: Bending, points 35
18 to 28
Thermal Diffusivity, mm2/s 78
3.0
Thermal Shock Resistance, points 13
13 to 25

Alloy Composition

Aluminum (Al), % 97.2 to 99.3
0.15 to 0.6
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0 to 0.2
19 to 23
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 0 to 0.35
39.5 to 50.7
Magnesium (Mg), % 0.4 to 0.8
0
Manganese (Mn), % 0.050 to 0.2
0 to 1.5
Nickel (Ni), % 0
30 to 35
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0.3 to 0.6
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.1
0.15 to 0.6
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0