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6106 Aluminum vs. EN 1.4537 Stainless Steel

6106 aluminum belongs to the aluminum alloys classification, while EN 1.4537 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 EN 1.4537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
210
Elongation at Break, % 9.1
42
Fatigue Strength, MPa 88
290
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
80
Shear Strength, MPa 170
480
Tensile Strength: Ultimate (UTS), MPa 290
700
Tensile Strength: Yield (Proof), MPa 220
330

Thermal Properties

Latent Heat of Fusion, J/g 400
310
Maximum Temperature: Mechanical, °C 160
1100
Melting Completion (Liquidus), °C 660
1440
Melting Onset (Solidus), °C 610
1390
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 49
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 160
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
34
Density, g/cm3 2.7
8.1
Embodied Carbon, kg CO2/kg material 8.3
6.1
Embodied Energy, MJ/kg 150
84
Embodied Water, L/kg 1190
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
240
Resilience: Unit (Modulus of Resilience), kJ/m3 370
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 29
24
Strength to Weight: Bending, points 35
22
Thermal Diffusivity, mm2/s 78
3.7
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 97.2 to 99.3
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0 to 0.2
24 to 26
Copper (Cu), % 0 to 0.25
1.0 to 2.0
Iron (Fe), % 0 to 0.35
36.3 to 46.1
Magnesium (Mg), % 0.4 to 0.8
0
Manganese (Mn), % 0.050 to 0.2
0 to 2.0
Molybdenum (Mo), % 0
4.7 to 5.7
Nickel (Ni), % 0
24 to 27
Nitrogen (N), % 0
0.17 to 0.25
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.3 to 0.6
0 to 0.7
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0