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204.0 Aluminum vs. Nickel 690

204.0 aluminum belongs to the aluminum alloys classification, while nickel 690 belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 204.0 aluminum and the bottom bar is nickel 690.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90 to 120
90
Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 5.7 to 7.8
3.4 to 34
Fatigue Strength, MPa 63 to 77
180 to 300
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
79
Tensile Strength: Ultimate (UTS), MPa 230 to 340
640 to 990
Tensile Strength: Yield (Proof), MPa 180 to 220
250 to 760

Thermal Properties

Latent Heat of Fusion, J/g 390
320
Maximum Temperature: Mechanical, °C 170
1010
Melting Completion (Liquidus), °C 650
1380
Melting Onset (Solidus), °C 580
1340
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 120
14
Thermal Expansion, µm/m-K 19
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29 to 34
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 87 to 100
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
50
Density, g/cm3 3.0
8.3
Embodied Carbon, kg CO2/kg material 8.0
8.2
Embodied Energy, MJ/kg 150
120
Embodied Water, L/kg 1150
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 23
31 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 350
160 to 1440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 21 to 31
21 to 33
Strength to Weight: Bending, points 28 to 36
20 to 27
Thermal Diffusivity, mm2/s 46
3.5
Thermal Shock Resistance, points 12 to 18
16 to 25

Alloy Composition

Aluminum (Al), % 93.4 to 95.5
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
27 to 31
Copper (Cu), % 4.2 to 5.0
0 to 0.5
Iron (Fe), % 0 to 0.35
7.0 to 11
Magnesium (Mg), % 0.15 to 0.35
0
Manganese (Mn), % 0 to 0.1
0 to 0.5
Nickel (Ni), % 0 to 0.050
58 to 66
Silicon (Si), % 0 to 0.2
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0