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EN AC-71100 Aluminum vs. Nickel 686

EN AC-71100 aluminum belongs to the aluminum alloys classification, while nickel 686 belongs to the nickel alloys. There are 27 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 AC-71100 aluminum and the bottom bar is nickel 686.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
220
Elongation at Break, % 1.1
51
Fatigue Strength, MPa 150
410
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 27
77
Tensile Strength: Ultimate (UTS), MPa 260
780
Tensile Strength: Yield (Proof), MPa 230
350

Thermal Properties

Latent Heat of Fusion, J/g 490
320
Maximum Temperature: Mechanical, °C 170
980
Melting Completion (Liquidus), °C 580
1380
Melting Onset (Solidus), °C 520
1340
Specific Heat Capacity, J/kg-K 860
420
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 97
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
70
Density, g/cm3 2.9
9.0
Embodied Carbon, kg CO2/kg material 7.4
12
Embodied Energy, MJ/kg 140
170
Embodied Water, L/kg 1010
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8
320
Resilience: Unit (Modulus of Resilience), kJ/m3 360
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 47
22
Strength to Weight: Axial, points 25
24
Strength to Weight: Bending, points 31
21
Thermal Shock Resistance, points 12
21

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
19 to 23
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.3
0 to 5.0
Magnesium (Mg), % 0.2 to 0.5
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), % 7.5 to 9.5
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), % 9.0 to 10.5
0
Residuals, % 0 to 0.15
0