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Nickel 685 vs. 383.0 Aluminum

Nickel 685 belongs to the nickel alloys classification, while 383.0 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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 383.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
75
Elastic (Young's, Tensile) Modulus, GPa 200
73
Elongation at Break, % 17
3.5
Fatigue Strength, MPa 470
150
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 77
28
Tensile Strength: Ultimate (UTS), MPa 1250
280
Tensile Strength: Yield (Proof), MPa 850
150

Thermal Properties

Latent Heat of Fusion, J/g 320
540
Maximum Temperature: Mechanical, °C 1000
170
Melting Completion (Liquidus), °C 1380
580
Melting Onset (Solidus), °C 1330
540
Specific Heat Capacity, J/kg-K 460
880
Thermal Conductivity, W/m-K 13
96
Thermal Expansion, µm/m-K 12
21

Otherwise Unclassified Properties

Base Metal Price, % relative 75
10
Density, g/cm3 8.4
2.8
Embodied Carbon, kg CO2/kg material 10
7.5
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 340
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
8.2
Resilience: Unit (Modulus of Resilience), kJ/m3 1820
150
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
50
Strength to Weight: Axial, points 42
28
Strength to Weight: Bending, points 31
34
Thermal Diffusivity, mm2/s 3.3
39
Thermal Shock Resistance, points 37
13

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
79.7 to 88.5
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
2.0 to 3.0
Iron (Fe), % 0 to 2.0
0 to 1.3
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 3.5 to 5.0
0
Nickel (Ni), % 49.6 to 62.5
0 to 0.3
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.75
9.5 to 11.5
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 2.8 to 3.3
0
Zinc (Zn), % 0.020 to 0.12
0 to 3.0
Residuals, % 0
0 to 0.5