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EN 1.4659 Stainless Steel vs. 6262 Aluminum

EN 1.4659 stainless steel belongs to the iron alloys classification, while 6262 aluminum belongs to the aluminum 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 EN 1.4659 stainless steel and the bottom bar is 6262 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
68
Elongation at Break, % 49
4.6 to 10
Fatigue Strength, MPa 460
90 to 110
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 81
26
Shear Strength, MPa 640
170 to 240
Tensile Strength: Ultimate (UTS), MPa 900
290 to 390
Tensile Strength: Yield (Proof), MPa 480
270 to 360

Thermal Properties

Latent Heat of Fusion, J/g 300
400
Maximum Temperature: Mechanical, °C 1100
160
Melting Completion (Liquidus), °C 1480
650
Melting Onset (Solidus), °C 1430
580
Specific Heat Capacity, J/kg-K 460
890
Thermal Conductivity, W/m-K 12
170
Thermal Expansion, µm/m-K 16
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
44
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
140

Otherwise Unclassified Properties

Base Metal Price, % relative 37
10
Density, g/cm3 8.2
2.8
Embodied Carbon, kg CO2/kg material 6.5
8.3
Embodied Energy, MJ/kg 89
150
Embodied Water, L/kg 220
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 370
17 to 31
Resilience: Unit (Modulus of Resilience), kJ/m3 550
530 to 940
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
48
Strength to Weight: Axial, points 31
29 to 39
Strength to Weight: Bending, points 25
35 to 42
Thermal Diffusivity, mm2/s 3.2
69
Thermal Shock Resistance, points 19
13 to 18

Alloy Composition

Aluminum (Al), % 0
94.7 to 97.8
Bismuth (Bi), % 0
0.4 to 0.7
Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 23 to 25
0.040 to 0.14
Copper (Cu), % 1.0 to 2.0
0.15 to 0.4
Iron (Fe), % 35.7 to 45.7
0 to 0.7
Lead (Pb), % 0
0.4 to 0.7
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 2.0 to 4.0
0 to 0.15
Molybdenum (Mo), % 5.5 to 6.5
0
Nickel (Ni), % 21 to 23
0
Nitrogen (N), % 0.35 to 0.5
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.7
0.4 to 0.8
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
0 to 0.15
Tungsten (W), % 1.5 to 2.5
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15