EN 2.4663 (NiCr23Co12Mo) Nickel Alloy
EN 2.4663 nickel is a nickel alloy formulated for primary forming into wrought products. Cited properties are appropriate for the solution annealed (AT) condition. 2.4663 is the EN numeric designation for this material. NiCr23Co12Mo is the EN chemical designation.
The graph bars on the material properties cards below compare EN 2.4663 nickel to: wrought nickels (top), all nickel alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.
Mechanical Properties
Elastic (Young's, Tensile) Modulus
210 GPa 30 x 106 psi
Elongation at Break
40 %
Fatigue Strength
250 MPa 36 x 103 psi
Poisson's Ratio
0.29
Shear Modulus
81 GPa 12 x 106 psi
Shear Strength
540 MPa 78 x 103 psi
Tensile Strength: Ultimate (UTS)
780 MPa 110 x 103 psi
Tensile Strength: Yield (Proof)
310 MPa 45 x 103 psi
Thermal Properties
Latent Heat of Fusion
320 J/g
Maximum Temperature: Mechanical
1010 °C 1840 °F
Melting Completion (Liquidus)
1430 °C 2610 °F
Melting Onset (Solidus)
1380 °C 2520 °F
Specific Heat Capacity
450 J/kg-K 0.11 BTU/lb-°F
Thermal Conductivity
13 W/m-K 7.7 BTU/h-ft-°F
Thermal Expansion
12 µm/m-K
Electrical Properties
Electrical Conductivity: Equal Volume
1.4 % IACS
Electrical Conductivity: Equal Weight (Specific)
1.5 % IACS
Otherwise Unclassified Properties
Base Metal Price
75 % relative
Density
8.6 g/cm3 530 lb/ft3
Embodied Carbon
11 kg CO2/kg material
Embodied Energy
140 MJ/kg 62 x 103 BTU/lb
Embodied Water
350 L/kg 42 gal/lb
Common Calculations
Resilience: Ultimate (Unit Rupture Work)
250 MJ/m3
Resilience: Unit (Modulus of Resilience)
230 kJ/m3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
23 points
Strength to Weight: Axial
25 points
Strength to Weight: Bending
22 points
Thermal Diffusivity
3.5 mm2/s
Thermal Shock Resistance
22 points
Alloy Composition
| Ni | 48 to 59.6 | |
| Cr | 20 to 23 | |
| Co | 11 to 14 | |
| Mo | 8.5 to 10 | |
| Al | 0.7 to 1.4 | |
| Fe | 0 to 2.0 | |
| Ti | 0.2 to 0.6 | |
| Cu | 0 to 0.5 | |
| Mn | 0 to 0.2 | |
| Si | 0 to 0.2 | |
| C | 0.050 to 0.1 | |
| P | 0 to 0.010 | |
| S | 0 to 0.010 | |
| B | 0 to 0.0060 |
All values are % weight. Ranges represent what is permitted under applicable standards.
Followup Questions
Similar Alloys
Further Reading
EN 10302: Creep resisting steels, nickel and cobalt alloys
Engineering Properties of Nickel and Nickel Alloys, John L. Everhart, 1971
Nickel Alloys, Ulrich Heubner (editor), 1998