EN 2.4668 (NiCr19Fe19Nb5Mo3) Nickel Alloy
Nickel Alloys
Property Overview
Density8.3g/cm³
Elastic Modulus190GPa
Tensile Strength1230MPa
Yield Strength1030MPa
Brinell HardnessUnknown
Maximum Service Temperature980°C
Chemical Composition
C
0.020 to 0.080%
CR
17 to 21%
NI
50 to 55%
MO
2.8 to 3.3%
MN
0 to 0.35%
SI
0 to 0.35%
P
0 to 0.015%
S
0 to 0.015%
CU
0 to 0.3%
NB
4.7 to 5.5%
TI
0.6 to 1.2%
AL
0.3 to 0.7%
CO
0 to 1.0%
B
0.0020 to 0.0060%
FE
11.2 to 24.6%
Mechanical
A - Min. elongation at fracture (%) (+AT)
12
+AT
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
14 %
Fatigue Strength
590 MPa
Impact Strength: V-Notched Charpy
14 J
Poisson's Ratio
0.29
R p0.2 0.2% proof strength (MPa) (+AT)
1030
+AT
Rm - Tensile strength (MPa) (+AT)
1230
+AT
Shear Modulus
75 GPa
Shear Strength
840 MPa
Tensile Strength: Ultimate (UTS)
1390 MPa
Tensile Strength: Yield (Proof)
1160 MPa
Hardness
+A Soft annealed +AC Annealed to achieve spheroidization of the carbides +AR As rolled +AT Solution annealed +C Cold drawn / hard +CR Cold rolled +FP Treated to ferrite-pearlite structure and hardness range +I Isothermal annealing +LC Cold drawn / soft +M Thermo mechanical rolling +N Normalized +NT Normalized and tempered
+P Precipitation hardened +PE Peeled +QA Air quenched and tempered +QL Liquid quenched and tempered +QT Quenched and tempered +S Treated to improve shearability +SH As rolled and turned +SR Cold drawn and stress relieved +T Tempered +TH Treated to hardness range +WW Warm worked +U Untreated
+A
Physical
Density
8.3 g/cm 3
Thermal
Latent Heat of Fusion
310 J/g
Maximum Temperature: Mechanical
980 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1410 °C
Specific Heat Capacity
450 J/kg-K
Thermal Conductivity
13 W/m-K
Thermal Diffusivity
3.5 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
40 points
Electrical
Electrical Conductivity: Equal Volume
1.4 % IACS
Electrical Conductivity: Equal Weight (Specific)
1.5 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
180 MJ/m 3
Resilience: Unit (Modulus of Resilience)
3490 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
23 points
Strength to Weight: Axial
46 points
Strength to Weight: Bending
33 points
Environmental
Base Metal Price
75 % relative
Embodied Carbon
13 kg CO 2 /kg material
Embodied Energy
190 MJ/kg
Embodied Energy
190 MJ/kg 80 x 10 3 BTU/lb
Embodied Water
250 L/kg
Embodied Water
250 L/kg 30 gal/lb
Registered Designations & Aliases
2.46682.4668EN 2.4668 (NiCr19Fe19Nb5Mo3) Nickel AlloyNiCr19Fe19Nb5Mo3NiCr19Fe19Nb5Mo3
Standards
EN 10269 EN 10269: Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
EN 10302 EN 10302: 2008 Creep resisting steels, nickel and cobalt alloys
EN 10302 EN 10302: Creep resisting steels, nickel and cobalt alloys
EN 10302 EN 10302: Creep resisting steels, nickel and cobalt alloys EN 10269: Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties Engineering Properties of Nickel and Nickel Alloys, John L. Everhart, 1971 Nickel Alloys, Ulrich Heubner (editor), 1998