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6351 Aluminum vs. Grade CX2MW Nickel

6351 aluminum belongs to the aluminum alloys classification, while grade CX2MW nickel belongs to the nickel alloys. There are 29 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 6351 aluminum and the bottom bar is grade CX2MW nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
220
Elongation at Break, % 7.8 to 18
34
Fatigue Strength, MPa 79 to 130
260
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
84
Tensile Strength: Ultimate (UTS), MPa 140 to 310
620
Tensile Strength: Yield (Proof), MPa 95 to 270
350

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 160
980
Melting Completion (Liquidus), °C 650
1550
Melting Onset (Solidus), °C 570
1490
Specific Heat Capacity, J/kg-K 900
430
Thermal Conductivity, W/m-K 180
10
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 150
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
65
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 8.3
12
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1180
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 38
180
Resilience: Unit (Modulus of Resilience), kJ/m3 65 to 540
290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 14 to 32
19
Strength to Weight: Bending, points 22 to 38
18
Thermal Diffusivity, mm2/s 72
2.7
Thermal Shock Resistance, points 6.1 to 14
17

Alloy Composition

Aluminum (Al), % 96 to 98.5
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
20 to 22.5
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.5
2.0 to 6.0
Magnesium (Mg), % 0.4 to 0.8
0
Manganese (Mn), % 0.4 to 0.8
0 to 1.0
Molybdenum (Mo), % 0
12.5 to 14.5
Nickel (Ni), % 0
51.3 to 63
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.7 to 1.3
0 to 0.8
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.2
0
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0