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Nickel 30 vs. 7129 Aluminum

Nickel 30 belongs to the nickel alloys classification, while 7129 Aluminum belongs to the aluminum 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 nickel 30 and the bottom bar is 7129 Aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
69
Elongation at Break, % 34
9.0 to 9.1
Fatigue Strength, MPa 200
150 to 190
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 82
26
Shear Strength, MPa 440
250 to 260
Tensile Strength: Ultimate (UTS), MPa 660
430
Tensile Strength: Yield (Proof), MPa 270
380 to 390

Thermal Properties

Latent Heat of Fusion, J/g 320
380
Maximum Temperature: Mechanical, °C 1020
180
Melting Completion (Liquidus), °C 1480
630
Melting Onset (Solidus), °C 1430
510
Specific Heat Capacity, J/kg-K 450
880
Thermal Conductivity, W/m-K 10
150
Thermal Expansion, µm/m-K 13
24

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 60
9.5
Density, g/cm3 8.5
2.9
Embodied Carbon, kg CO2/kg material 9.4
8.3
Embodied Energy, MJ/kg 130
150
Embodied Water, L/kg 290
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
37 to 38
Resilience: Unit (Modulus of Resilience), kJ/m3 180
1050 to 1090
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
47
Strength to Weight: Axial, points 22
41
Strength to Weight: Bending, points 20
43 to 44
Thermal Diffusivity, mm2/s 2.7
58
Thermal Shock Resistance, points 18
19

Alloy Composition

Aluminum (Al), % 0
91 to 94
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 28 to 31.5
0 to 0.1
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 1.0 to 2.4
0.5 to 0.9
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 13 to 17
0 to 0.3
Magnesium (Mg), % 0
1.3 to 2.0
Manganese (Mn), % 0 to 0.030
0 to 0.1
Molybdenum (Mo), % 4.0 to 6.0
0
Nickel (Ni), % 30.2 to 52.2
0
Niobium (Nb), % 0.3 to 1.5
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.8
0 to 0.15
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 1.5 to 4.0
0
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
4.2 to 5.2
Residuals, % 0
0 to 0.15