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Grade CX2MW Nickel vs. 4145 Aluminum

Grade CX2MW nickel belongs to the nickel alloys classification, while 4145 aluminum belongs to the aluminum alloys. There are 29 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 grade CX2MW nickel and the bottom bar is 4145 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
73
Elongation at Break, % 34
2.2
Fatigue Strength, MPa 260
48
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 84
28
Tensile Strength: Ultimate (UTS), MPa 620
120
Tensile Strength: Yield (Proof), MPa 350
68

Thermal Properties

Latent Heat of Fusion, J/g 330
540
Maximum Temperature: Mechanical, °C 980
160
Melting Completion (Liquidus), °C 1550
590
Melting Onset (Solidus), °C 1490
520
Specific Heat Capacity, J/kg-K 430
880
Thermal Conductivity, W/m-K 10
100
Thermal Expansion, µm/m-K 12
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
26
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
84

Otherwise Unclassified Properties

Base Metal Price, % relative 65
10
Density, g/cm3 8.9
2.8
Embodied Carbon, kg CO2/kg material 12
7.6
Embodied Energy, MJ/kg 170
140
Embodied Water, L/kg 290
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 290
31
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
50
Strength to Weight: Axial, points 19
12
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 2.7
42
Thermal Shock Resistance, points 17
5.5

Alloy Composition

Aluminum (Al), % 0
83 to 87.4
Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 20 to 22.5
0 to 0.15
Copper (Cu), % 0
3.3 to 4.7
Iron (Fe), % 2.0 to 6.0
0 to 0.8
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0 to 1.0
0 to 0.15
Molybdenum (Mo), % 12.5 to 14.5
0
Nickel (Ni), % 51.3 to 63
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.8
9.3 to 10.7
Sulfur (S), % 0 to 0.025
0
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15