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6065 Aluminum vs. EN 1.4935 Stainless Steel

6065 aluminum belongs to the aluminum alloys classification, while EN 1.4935 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 6065 aluminum and the bottom bar is EN 1.4935 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 4.5 to 11
16 to 18
Fatigue Strength, MPa 96 to 110
350 to 400
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Shear Strength, MPa 190 to 230
480 to 540
Tensile Strength: Ultimate (UTS), MPa 310 to 400
780 to 880
Tensile Strength: Yield (Proof), MPa 270 to 380
570 to 670

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Maximum Temperature: Mechanical, °C 180
740
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 590
1420
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 170
24
Thermal Expansion, µm/m-K 23
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 140
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.0
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.4
2.9
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1200
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 34
130
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 1040
830 to 1160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
25
Strength to Weight: Axial, points 31 to 40
28 to 31
Strength to Weight: Bending, points 36 to 43
24 to 26
Thermal Diffusivity, mm2/s 67
6.5
Thermal Shock Resistance, points 14 to 18
27 to 30

Alloy Composition

Aluminum (Al), % 94.4 to 98.2
0
Bismuth (Bi), % 0.5 to 1.5
0
Carbon (C), % 0
0.17 to 0.24
Chromium (Cr), % 0 to 0.15
11 to 12.5
Copper (Cu), % 0.15 to 0.4
0
Iron (Fe), % 0 to 0.7
83 to 86.7
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
0.3 to 0.8
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 0
0.3 to 0.8
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.4 to 0.8
0.1 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0
0.4 to 0.6
Vanadium (V), % 0
0.2 to 0.35
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0 to 0.15
0

Comparable Variants