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Nickel 685 vs. 357.0 Aluminum

Nickel 685 belongs to the nickel alloys classification, while 357.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 357.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
95
Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 17
3.4
Fatigue Strength, MPa 470
76
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 77
26
Shear Strength, MPa 770
200
Tensile Strength: Ultimate (UTS), MPa 1250
350
Tensile Strength: Yield (Proof), MPa 850
300

Thermal Properties

Latent Heat of Fusion, J/g 320
500
Maximum Temperature: Mechanical, °C 1000
170
Melting Completion (Liquidus), °C 1380
620
Melting Onset (Solidus), °C 1330
560
Specific Heat Capacity, J/kg-K 460
910
Thermal Conductivity, W/m-K 13
150
Thermal Expansion, µm/m-K 12
21

Otherwise Unclassified Properties

Base Metal Price, % relative 75
9.5
Density, g/cm3 8.4
2.6
Embodied Carbon, kg CO2/kg material 10
8.0
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 340
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
11
Resilience: Unit (Modulus of Resilience), kJ/m3 1820
620
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
53
Strength to Weight: Axial, points 42
38
Strength to Weight: Bending, points 31
43
Thermal Diffusivity, mm2/s 3.3
64
Thermal Shock Resistance, points 37
17

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
91.3 to 93.1
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 0.050
Iron (Fe), % 0 to 2.0
0 to 0.15
Magnesium (Mg), % 0
0.45 to 0.6
Manganese (Mn), % 0 to 1.0
0 to 0.030
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
6.5 to 7.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 2.8 to 3.3
0 to 0.2
Zinc (Zn), % 0.020 to 0.12
0 to 0.050
Residuals, % 0
0 to 0.15