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Grade CY40 Nickel vs. Nickel 689

Both grade CY40 nickel and nickel 689 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 (7, in this case) are not shown.

For each property being compared, the top bar is grade CY40 nickel and the bottom bar is nickel 689.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 34
23
Fatigue Strength, MPa 160
420
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
80
Tensile Strength: Ultimate (UTS), MPa 540
1250
Tensile Strength: Yield (Proof), MPa 220
690

Thermal Properties

Latent Heat of Fusion, J/g 330
330
Maximum Temperature: Mechanical, °C 960
990
Melting Completion (Liquidus), °C 1350
1440
Melting Onset (Solidus), °C 1300
1390
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 55
70
Density, g/cm3 8.4
8.5
Embodied Carbon, kg CO2/kg material 9.1
11
Embodied Energy, MJ/kg 130
150
Embodied Water, L/kg 260
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
240
Resilience: Unit (Modulus of Resilience), kJ/m3 130
1170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 18
41
Strength to Weight: Bending, points 18
30
Thermal Shock Resistance, points 16
35

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.4
0.1 to 0.2
Chromium (Cr), % 14 to 17
18 to 20
Cobalt (Co), % 0
9.0 to 11
Iron (Fe), % 0 to 11
0 to 5.0
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 0
9.0 to 10.5
Nickel (Ni), % 67 to 86
48.3 to 60.9
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 3.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
2.3 to 2.8