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Grade CY40 Nickel vs. Monel 400

Both grade CY40 nickel and Monel 400 are nickel alloys. They have 70% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade CY40 nickel and the bottom bar is Monel 400.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
160
Elongation at Break, % 34
20 to 40
Fatigue Strength, MPa 160
230 to 290
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 74
62
Tensile Strength: Ultimate (UTS), MPa 540
540 to 780
Tensile Strength: Yield (Proof), MPa 220
210 to 590

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 960
1000
Melting Completion (Liquidus), °C 1350
1350
Melting Onset (Solidus), °C 1300
1300
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 14
23
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 55
50
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 9.1
7.9
Embodied Energy, MJ/kg 130
110
Embodied Water, L/kg 260
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
140 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 130
140 to 1080
Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 18
17 to 25
Strength to Weight: Bending, points 18
17 to 21
Thermal Diffusivity, mm2/s 3.7
6.1
Thermal Shock Resistance, points 16
17 to 25

Alloy Composition

Carbon (C), % 0 to 0.4
0 to 0.3
Chromium (Cr), % 14 to 17
0
Copper (Cu), % 0
28 to 34
Iron (Fe), % 0 to 11
0 to 2.5
Manganese (Mn), % 0 to 1.5
0 to 2.0
Nickel (Ni), % 67 to 86
63 to 72
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 3.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.024