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Nickel 690 vs. Grade CY40 Nickel

Both nickel 690 and grade CY40 nickel are nickel alloys. They have 84% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is nickel 690 and the bottom bar is grade CY40 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 3.4 to 34
34
Fatigue Strength, MPa 180 to 300
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
74
Tensile Strength: Ultimate (UTS), MPa 640 to 990
540
Tensile Strength: Yield (Proof), MPa 250 to 760
220

Thermal Properties

Latent Heat of Fusion, J/g 320
330
Maximum Temperature: Mechanical, °C 1010
960
Melting Completion (Liquidus), °C 1380
1350
Melting Onset (Solidus), °C 1340
1300
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
14
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 50
55
Density, g/cm3 8.3
8.4
Embodied Carbon, kg CO2/kg material 8.2
9.1
Embodied Energy, MJ/kg 120
130
Embodied Water, L/kg 290
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
150
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 21 to 33
18
Strength to Weight: Bending, points 20 to 27
18
Thermal Diffusivity, mm2/s 3.5
3.7
Thermal Shock Resistance, points 16 to 25
16

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.4
Chromium (Cr), % 27 to 31
14 to 17
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 7.0 to 11
0 to 11
Manganese (Mn), % 0 to 0.5
0 to 1.5
Nickel (Ni), % 58 to 66
67 to 86
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 3.0
Sulfur (S), % 0 to 0.015
0 to 0.030