MakeItFrom.com
Menu (ESC)

6106 Aluminum vs. S31100 Stainless Steel

6106 aluminum belongs to the aluminum alloys classification, while S31100 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 6106 aluminum and the bottom bar is S31100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 9.1
4.5
Fatigue Strength, MPa 88
330
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
79
Shear Strength, MPa 170
580
Tensile Strength: Ultimate (UTS), MPa 290
1000
Tensile Strength: Yield (Proof), MPa 220
710

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 160
1100
Melting Completion (Liquidus), °C 660
1420
Melting Onset (Solidus), °C 610
1380
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 190
16
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 160
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
16
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 8.3
3.1
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1190
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
40
Resilience: Unit (Modulus of Resilience), kJ/m3 370
1240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 29
36
Strength to Weight: Bending, points 35
29
Thermal Diffusivity, mm2/s 78
4.2
Thermal Shock Resistance, points 13
28

Alloy Composition

Aluminum (Al), % 97.2 to 99.3
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0 to 0.2
25 to 27
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.35
63.6 to 69
Magnesium (Mg), % 0.4 to 0.8
0
Manganese (Mn), % 0.050 to 0.2
0 to 1.0
Nickel (Ni), % 0
6.0 to 7.0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0.3 to 0.6
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0 to 0.25
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0