2.4669

Germany DIN DIN EN 10088-1 DIN EN 10269 DIN EN 10302 (2002) 2.4669 NiCrFeTi alloy; High-temperature resisting material and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Category Class Grade Standard Country Application
Steel GradesSuperalloys 2.4669 DIN Germany NiCrFeTi alloy; High-temperature resisting material
Datasheet for:Steel Grades:Superalloys:2.4669

Chemical composition(mass fraction)(wt.%) of the 2.4669

Elements Min.(≥) Max.(≤)
C - 0.08
Mn - 1.0
Si - 0.5
S - 0.01
P - 0.015
Cu - 0.5
Fe 5.0 9.0
Co - 1.0
Nb 0.70 1.20
Cr 14.0 17.0
Ni 70 -
Al 0.40 1.00
Ti 2.25 2.75

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade 2.4669

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
622 (≥) 943 (≥) 43 12 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 212
Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
23 - -     0.32 -  
326 749 - 14.3 134   -  
432 - 21 34.2   311 332
Heat treated : 1798°C - 1318°C
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
2.4669 DIN Germany
NiCrFeTi alloy; High-temperature resisting material
NiCr15Fe7TiAl DIN Germany
NiCrFeTi alloy; High-temperature resisting material
N07750 UNS USA
Ni-Cr Alloy Precipitation Hardenable
B 637 N07750 Type 1 ASTM USA
Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High Temperature Service
B 637 N07750 Type 2 ASTM USA
Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High Temperature Service
SB-637 N07750 Type 1 ASME USA
Precipitation-Hardening Nickel Alloy Bars, Forgings, and Forging Stock for High-Temperature Service
Inconel X750 SAE USA
Nickel Alloy, Corrosion and Heat-Resistant, Sheet, Strip, and Plate 72Ni - 15.5Cr - 0.95Cb(Nb) - 2.5Ti - 0.70Al - 7.0Fe Annealed
N07750 AISI USA
Steel for exhaust valves
NiCr15Fe7TiAl ISO International
Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines

Relevant standard

Standard No. Description Download
DIN EN 10088-1 Stainless steels - Part 1: List of stainless steels
DIN EN 10269 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
DIN EN 10302 (2002) Creep resisting steels, nickel and cobalt alloys
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2-4669 N07750 NiCr15Fe7TiAl X-750