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384.0 Aluminum vs. Nickel 690

384.0 aluminum belongs to the aluminum alloys classification, while nickel 690 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 384.0 aluminum and the bottom bar is nickel 690.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
90
Elastic (Young's, Tensile) Modulus, GPa 74
200
Elongation at Break, % 2.5
3.4 to 34
Fatigue Strength, MPa 140
180 to 300
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
79
Shear Strength, MPa 200
420 to 570
Tensile Strength: Ultimate (UTS), MPa 330
640 to 990
Tensile Strength: Yield (Proof), MPa 170
250 to 760

Thermal Properties

Latent Heat of Fusion, J/g 550
320
Maximum Temperature: Mechanical, °C 170
1010
Melting Completion (Liquidus), °C 580
1380
Melting Onset (Solidus), °C 530
1340
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 96
14
Thermal Expansion, µm/m-K 21
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 69
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
50
Density, g/cm3 2.9
8.3
Embodied Carbon, kg CO2/kg material 7.4
8.2
Embodied Energy, MJ/kg 140
120
Embodied Water, L/kg 1010
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
31 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 190
160 to 1440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
24
Strength to Weight: Axial, points 32
21 to 33
Strength to Weight: Bending, points 37
20 to 27
Thermal Diffusivity, mm2/s 39
3.5
Thermal Shock Resistance, points 15
16 to 25

Alloy Composition

Aluminum (Al), % 77.3 to 86.5
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
27 to 31
Copper (Cu), % 3.0 to 4.5
0 to 0.5
Iron (Fe), % 0 to 1.3
7.0 to 11
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 0 to 0.5
58 to 66
Silicon (Si), % 10.5 to 12
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0