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Nickel 685 vs. 1435 Aluminum

Nickel 685 belongs to the nickel alloys classification, while 1435 aluminum belongs to the aluminum alloys. There are 28 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 nickel 685 and the bottom bar is 1435 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
69
Elongation at Break, % 17
4.1 to 32
Fatigue Strength, MPa 470
27 to 49
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 77
26
Shear Strength, MPa 770
54 to 87
Tensile Strength: Ultimate (UTS), MPa 1250
81 to 150
Tensile Strength: Yield (Proof), MPa 850
23 to 130

Thermal Properties

Latent Heat of Fusion, J/g 320
400
Maximum Temperature: Mechanical, °C 1000
170
Melting Completion (Liquidus), °C 1380
650
Melting Onset (Solidus), °C 1330
640
Specific Heat Capacity, J/kg-K 460
900
Thermal Conductivity, W/m-K 13
230
Thermal Expansion, µm/m-K 12
23

Otherwise Unclassified Properties

Base Metal Price, % relative 75
9.0
Density, g/cm3 8.4
2.7
Embodied Carbon, kg CO2/kg material 10
8.2
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 340
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
5.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 1820
3.8 to 110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
50
Strength to Weight: Axial, points 42
8.3 to 15
Strength to Weight: Bending, points 31
15 to 23
Thermal Diffusivity, mm2/s 3.3
93
Thermal Shock Resistance, points 37
3.6 to 6.7

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
99.35 to 99.7
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.030 to 0.1
0
Chromium (Cr), % 18 to 21
0
Cobalt (Co), % 12 to 15
0
Copper (Cu), % 0 to 0.5
0 to 0.020
Iron (Fe), % 0 to 2.0
0.3 to 0.5
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0 to 0.050
Molybdenum (Mo), % 3.5 to 5.0
0
Nickel (Ni), % 49.6 to 62.5
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.75
0 to 0.15
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 2.8 to 3.3
0 to 0.030
Zinc (Zn), % 0.020 to 0.12
0 to 0.1