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712.0 Aluminum vs. Nickel 690

712.0 aluminum belongs to the aluminum alloys classification, while nickel 690 belongs to the nickel alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, 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 712.0 aluminum and the bottom bar is nickel 690.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75 to 90
90
Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 4.5 to 4.7
3.4 to 34
Fatigue Strength, MPa 140 to 180
180 to 300
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 27
79
Shear Strength, MPa 180
420 to 570
Tensile Strength: Ultimate (UTS), MPa 250 to 260
640 to 990
Tensile Strength: Yield (Proof), MPa 180 to 200
250 to 760

Thermal Properties

Latent Heat of Fusion, J/g 380
320
Maximum Temperature: Mechanical, °C 190
1010
Melting Completion (Liquidus), °C 640
1380
Melting Onset (Solidus), °C 610
1340
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 160
14
Thermal Expansion, µm/m-K 24
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 120
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
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 1140
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
31 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 270
160 to 1440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 24 to 25
21 to 33
Strength to Weight: Bending, points 30 to 31
20 to 27
Thermal Diffusivity, mm2/s 62
3.5
Thermal Shock Resistance, points 11
16 to 25

Alloy Composition

Aluminum (Al), % 90.7 to 94
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0.4 to 0.6
27 to 31
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 0 to 0.5
7.0 to 11
Magnesium (Mg), % 0.5 to 0.65
0
Manganese (Mn), % 0 to 0.1
0 to 0.5
Nickel (Ni), % 0
58 to 66
Silicon (Si), % 0 to 0.3
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0.15 to 0.25
0
Zinc (Zn), % 5.0 to 6.5
0
Residuals, % 0 to 0.2
0