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1235 Aluminum vs. Nickel 625

1235 aluminum belongs to the aluminum alloys classification, while nickel 625 belongs to the nickel alloys. There are 30 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 1235 aluminum and the bottom bar is nickel 625.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 28 to 34
33 to 34
Fatigue Strength, MPa 23 to 58
240 to 320
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
79
Shear Strength, MPa 52 to 56
530 to 600
Tensile Strength: Ultimate (UTS), MPa 80 to 84
790 to 910
Tensile Strength: Yield (Proof), MPa 23 to 57
320 to 450

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 170
980
Melting Completion (Liquidus), °C 640
1350
Melting Onset (Solidus), °C 640
1290
Specific Heat Capacity, J/kg-K 900
440
Thermal Conductivity, W/m-K 230
11
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 200
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
80
Density, g/cm3 2.7
8.6
Embodied Carbon, kg CO2/kg material 8.3
14
Embodied Energy, MJ/kg 160
190
Embodied Water, L/kg 1190
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 25
220 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 3.8 to 24
260 to 490
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 8.2 to 8.6
26 to 29
Strength to Weight: Bending, points 15 to 16
22 to 24
Thermal Diffusivity, mm2/s 93
2.9
Thermal Shock Resistance, points 3.6 to 3.7
22 to 25

Alloy Composition

Aluminum (Al), % 99.35 to 100
0 to 0.4
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
20 to 23
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.65
0 to 5.0
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
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 0.65
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.060
0 to 0.4
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.1
0