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Nickel 718 vs. Grade CW2M Nickel

Both nickel 718 and grade CW2M nickel are nickel alloys. They have 73% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is nickel 718 and the bottom bar is grade CW2M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 12 to 50
23
Fatigue Strength, MPa 460 to 760
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
83
Tensile Strength: Ultimate (UTS), MPa 930 to 1530
560
Tensile Strength: Yield (Proof), MPa 510 to 1330
310

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Maximum Temperature: Mechanical, °C 980
960
Melting Completion (Liquidus), °C 1340
1520
Melting Onset (Solidus), °C 1260
1460
Specific Heat Capacity, J/kg-K 450
430
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
70
Density, g/cm3 8.3
8.8
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
110
Resilience: Unit (Modulus of Resilience), kJ/m3 660 to 4560
220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 31 to 51
18
Strength to Weight: Bending, points 25 to 35
17
Thermal Shock Resistance, points 27 to 44
16

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
15 to 17.5
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 11.1 to 24.6
0 to 2.0
Manganese (Mn), % 0 to 0.35
0 to 1.0
Molybdenum (Mo), % 2.8 to 3.3
15 to 17.5
Nickel (Ni), % 50 to 55
60.1 to 70
Niobium (Nb), % 4.8 to 5.5
0
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.35
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.65 to 1.2
0
Tungsten (W), % 0
0 to 1.0