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6262 Aluminum vs. Nickel 686

6262 aluminum belongs to the aluminum alloys classification, while nickel 686 belongs to the nickel alloys. 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 6262 aluminum and the bottom bar is nickel 686.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
220
Elongation at Break, % 4.6 to 10
51
Fatigue Strength, MPa 90 to 110
410
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
77
Shear Strength, MPa 170 to 240
560
Tensile Strength: Ultimate (UTS), MPa 290 to 390
780
Tensile Strength: Yield (Proof), MPa 270 to 360
350

Thermal Properties

Latent Heat of Fusion, J/g 400
320
Maximum Temperature: Mechanical, °C 160
980
Melting Completion (Liquidus), °C 650
1380
Melting Onset (Solidus), °C 580
1340
Specific Heat Capacity, J/kg-K 890
420
Thermal Conductivity, W/m-K 170
9.8
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 140
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
70
Density, g/cm3 2.8
9.0
Embodied Carbon, kg CO2/kg material 8.3
12
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1190
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 31
320
Resilience: Unit (Modulus of Resilience), kJ/m3 530 to 940
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 48
22
Strength to Weight: Axial, points 29 to 39
24
Strength to Weight: Bending, points 35 to 42
21
Thermal Diffusivity, mm2/s 69
2.6
Thermal Shock Resistance, points 13 to 18
21

Alloy Composition

Aluminum (Al), % 94.7 to 97.8
0
Bismuth (Bi), % 0.4 to 0.7
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0.040 to 0.14
19 to 23
Copper (Cu), % 0.15 to 0.4
0
Iron (Fe), % 0 to 0.7
0 to 5.0
Lead (Pb), % 0.4 to 0.7
0
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
0 to 0.75
Molybdenum (Mo), % 0
15 to 17
Nickel (Ni), % 0
49.5 to 63
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.4 to 0.8
0 to 0.080
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.15
0.020 to 0.25
Tungsten (W), % 0
3.0 to 4.4
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0