EN 2.4665 (NiCr22Fe18Mo) Nickel Alloy
EN 2.4665 nickel is a nickel alloy formulated for primary forming into wrought products. Cited properties are appropriate for the solution annealed (AT) condition. 2.4665 is the EN numeric designation for this material. NiCr22Fe18Mo is the EN chemical designation.
The graph bars on the material properties cards below compare EN 2.4665 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
34 %
Fatigue Strength
220 MPa 32 x 103 psi
Poisson's Ratio
0.28
Shear Modulus
81 GPa 12 x 106 psi
Shear Strength
520 MPa 76 x 103 psi
Tensile Strength: Ultimate (UTS)
790 MPa 110 x 103 psi
Tensile Strength: Yield (Proof)
300 MPa 44 x 103 psi
Thermal Properties
Latent Heat of Fusion
320 J/g
Maximum Temperature: Mechanical
990 °C 1810 °F
Melting Completion (Liquidus)
1460 °C 2670 °F
Melting Onset (Solidus)
1410 °C 2570 °F
Specific Heat Capacity
450 J/kg-K 0.11 BTU/lb-°F
Thermal Conductivity
12 W/m-K 6.9 BTU/h-ft-°F
Thermal Expansion
14 µm/m-K
Electrical Properties
Electrical Conductivity: Equal Volume
1.5 % IACS
Electrical Conductivity: Equal Weight (Specific)
1.6 % IACS
Otherwise Unclassified Properties
Base Metal Price
55 % relative
Density
8.4 g/cm3 530 lb/ft3
Embodied Carbon
9.2 kg CO2/kg material
Embodied Energy
130 MJ/kg 54 x 103 BTU/lb
Embodied Water
270 L/kg 32 gal/lb
Common Calculations
Resilience: Ultimate (Unit Rupture Work)
210 MJ/m3
Resilience: Unit (Modulus of Resilience)
220 kJ/m3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
23 points
Strength to Weight: Axial
26 points
Strength to Weight: Bending
22 points
Thermal Diffusivity
3.2 mm2/s
Thermal Shock Resistance
20 points
Alloy Composition
| Ni | 40.3 to 53.8 | |
| Cr | 20.5 to 23 | |
| Fe | 17 to 20 | |
| Mo | 8.0 to 10 | |
| Co | 0.5 to 2.5 | |
| W | 0.2 to 1.0 | |
| Mn | 0 to 1.0 | |
| Si | 0 to 1.0 | |
| Al | 0 to 0.5 | |
| Cu | 0 to 0.5 | |
| C | 0.050 to 0.15 | |
| P | 0 to 0.020 | |
| S | 0 to 0.015 | |
| B | 0 to 0.010 |
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