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6106 Aluminum vs. EN 1.4825 Stainless Steel

6106 aluminum belongs to the aluminum alloys classification, while EN 1.4825 stainless steel belongs to the iron alloys. There are 29 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 1.4825 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 9.1
17
Fatigue Strength, MPa 88
160
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Tensile Strength: Ultimate (UTS), MPa 290
510
Tensile Strength: Yield (Proof), MPa 220
260

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 160
900
Melting Completion (Liquidus), °C 660
1410
Melting Onset (Solidus), °C 610
1370
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 190
15
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 160
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
15
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 8.3
3.1
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1190
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
72
Resilience: Unit (Modulus of Resilience), kJ/m3 370
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 29
18
Strength to Weight: Bending, points 35
18
Thermal Diffusivity, mm2/s 78
4.0
Thermal Shock Resistance, points 13
12

Alloy Composition

Aluminum (Al), % 97.2 to 99.3
0
Carbon (C), % 0
0.15 to 0.35
Chromium (Cr), % 0 to 0.2
17 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.35
65.6 to 74.4
Magnesium (Mg), % 0.4 to 0.8
0
Manganese (Mn), % 0.050 to 0.2
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
8.0 to 10
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.3 to 0.6
0.5 to 2.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0