EN 2.4669 (NiCr15Fe7TiAl) Nickel Alloy
Nickel Alloys
Property Overview
Density8.4g/cm³
Elastic Modulus190GPa
Tensile Strength1170MPa
Yield Strength790MPa
Brinell HardnessUnknown
Maximum Service Temperature960°C
Chemical Composition
C
0 to 0.080%
CR
14 to 17%
NI
65.9 to 77.7%
MN
0 to 1.0%
SI
0 to 0.5%
P
0 to 0.020%
S
0 to 0.015%
CU
0 to 0.5%
NB
0.7 to 1.2%
TI
2.3 to 2.8%
AL
0.4 to 1.0%
CO
0 to 1.0%
FE
5.0 to 9.0%
Mechanical
A - Min. elongation at fracture (%) (+P1170)
15
+P
A - Min. elongation at fracture (%) (+P980)
8
+P
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
16 %
Fatigue Strength
390 MPa
Impact Strength: V-Notched Charpy
25 J
KV - Impact energy (J) longitud., (+AT)
+20° 22
+AT
KV - Impact energy (J) longitud., (+AT)
-196° 20
+AT
Poisson's Ratio
0.29
R p0.2 0.2% proof strength (MPa) (+P1170)
790
+P
R p0.2 0.2% proof strength (MPa) (+P980)
630
+P
Reduction in Area
31 %
Rm - Tensile strength (MPa) (+P1170)
1170
+P
Rm - Tensile strength (MPa) (+P980)
980
+P
Shear Modulus
73 GPa
Shear Strength
680 MPa
Tensile Strength: Ultimate (UTS)
1110 MPa
Tensile Strength: Yield (Proof)
720 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
8.4 g/cm 3
Thermal
Latent Heat of Fusion
310 J/g
Maximum Temperature: Mechanical
960 °C
Melting Completion (Liquidus)
1380 °C
Melting Onset (Solidus)
1330 °C
Specific Heat Capacity
460 J/kg-K
Thermal Conductivity
12 W/m-K
Thermal Diffusivity
3.1 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
33 points
Electrical
Electrical Conductivity: Equal Volume
1.4 % IACS
Electrical Conductivity: Equal Weight (Specific)
1.5 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
160 MJ/m 3
Resilience: Unit (Modulus of Resilience)
1380 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
23 points
Strength to Weight: Axial
37 points
Strength to Weight: Bending
28 points
Environmental
Base Metal Price
60 % relative
Embodied Carbon
10 kg CO 2 /kg material
Embodied Energy
150 MJ/kg
Embodied Energy
150 MJ/kg 64 x 10 3 BTU/lb
Embodied Water
260 L/kg
Embodied Water
260 L/kg 31 gal/lb
Registered Designations & Aliases
2.46692.4669EN 2.4669 (NiCr15Fe7TiAl) Nickel AlloyNiCr15Fe7TiAlNiCr15Fe7TiAl
Standards
EN 10269 EN 10269: 1999 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
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