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Nickel 718 vs. Grade CX2MW Nickel

Both nickel 718 and grade CX2MW nickel are nickel alloys. They have 79% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is nickel 718 and the bottom bar is grade CX2MW nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 12 to 50
34
Fatigue Strength, MPa 460 to 760
260
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
84
Tensile Strength: Ultimate (UTS), MPa 930 to 1530
620
Tensile Strength: Yield (Proof), MPa 510 to 1330
350

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Maximum Temperature: Mechanical, °C 980
980
Melting Completion (Liquidus), °C 1340
1550
Melting Onset (Solidus), °C 1260
1490
Specific Heat Capacity, J/kg-K 450
430
Thermal Conductivity, W/m-K 11
10
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 75
65
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 13
12
Embodied Energy, MJ/kg 190
170
Embodied Water, L/kg 250
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 390
180
Resilience: Unit (Modulus of Resilience), kJ/m3 660 to 4560
290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 31 to 51
19
Strength to Weight: Bending, points 25 to 35
18
Thermal Diffusivity, mm2/s 3.0
2.7
Thermal Shock Resistance, points 27 to 44
17

Alloy Composition

Aluminum (Al), % 0.2 to 0.8
0
Boron (B), % 0 to 0.0060
0
Carbon (C), % 0 to 0.080
0 to 0.020
Chromium (Cr), % 17 to 21
20 to 22.5
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 11.1 to 24.6
2.0 to 6.0
Manganese (Mn), % 0 to 0.35
0 to 1.0
Molybdenum (Mo), % 2.8 to 3.3
12.5 to 14.5
Nickel (Ni), % 50 to 55
51.3 to 63
Niobium (Nb), % 4.8 to 5.5
0
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0 to 0.35
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 0.65 to 1.2
0
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35