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771.0 Aluminum vs. Nickel 625

771.0 aluminum belongs to the aluminum alloys classification, while nickel 625 belongs to the nickel alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 771.0 aluminum and the bottom bar is nickel 625.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 1.7 to 6.5
33 to 34
Fatigue Strength, MPa 92 to 180
240 to 320
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
79
Tensile Strength: Ultimate (UTS), MPa 250 to 370
790 to 910
Tensile Strength: Yield (Proof), MPa 210 to 350
320 to 450

Thermal Properties

Latent Heat of Fusion, J/g 380
330
Maximum Temperature: Mechanical, °C 180
980
Melting Completion (Liquidus), °C 630
1350
Melting Onset (Solidus), °C 620
1290
Specific Heat Capacity, J/kg-K 870
440
Thermal Conductivity, W/m-K 140 to 150
11
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 82
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
80
Density, g/cm3 3.0
8.6
Embodied Carbon, kg CO2/kg material 8.0
14
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1130
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4 to 20
220 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 900
260 to 490
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
23
Strength to Weight: Axial, points 23 to 35
26 to 29
Strength to Weight: Bending, points 29 to 39
22 to 24
Thermal Diffusivity, mm2/s 54 to 58
2.9
Thermal Shock Resistance, points 11 to 16
22 to 25

Alloy Composition

Aluminum (Al), % 90.5 to 92.5
0 to 0.4
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0.060 to 0.2
20 to 23
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.15
0 to 5.0
Magnesium (Mg), % 0.8 to 1.0
0
Manganese (Mn), % 0 to 0.1
0 to 0.5
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
58 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.15
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0.1 to 0.2
0 to 0.4
Zinc (Zn), % 6.5 to 7.5
0
Residuals, % 0 to 0.15
0