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5056 Aluminum vs. Grade CW6MC Nickel

5056 aluminum belongs to the aluminum alloys classification, while grade CW6MC nickel belongs to the nickel 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 5056 aluminum and the bottom bar is grade CW6MC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
200
Elongation at Break, % 4.9 to 31
28
Fatigue Strength, MPa 140 to 200
210
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
79
Tensile Strength: Ultimate (UTS), MPa 290 to 460
540
Tensile Strength: Yield (Proof), MPa 150 to 410
310

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 190
980
Melting Completion (Liquidus), °C 640
1480
Melting Onset (Solidus), °C 570
1430
Specific Heat Capacity, J/kg-K 910
440
Thermal Conductivity, W/m-K 130
11
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 99
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 9.0
14
Embodied Energy, MJ/kg 150
200
Embodied Water, L/kg 1180
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 140
130
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 1220
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
23
Strength to Weight: Axial, points 30 to 48
18
Strength to Weight: Bending, points 36 to 50
17
Thermal Diffusivity, mm2/s 53
2.8
Thermal Shock Resistance, points 13 to 20
15

Alloy Composition

Aluminum (Al), % 93 to 95.4
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0.050 to 0.2
20 to 23
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.4
0 to 5.0
Magnesium (Mg), % 4.5 to 5.6
0
Manganese (Mn), % 0.050 to 0.2
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
55.4 to 68.9
Niobium (Nb), % 0
3.2 to 4.5
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0