2.4668

Germany DIN DIN 17744 (2002) DIN 17750 (2002) DIN 17752 (2002) DIN 17753 (2002) DIN EN 10088-1 DIN EN 10302 (2002) 2.4668 Classification and designation for superalloys and high temperature intermetallic materials and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Category Class Grade Standard Country Application
Steel GradesSuperalloys 2.4668 DIN Germany Classification and designation for superalloys and high temperature intermetallic materials
Datasheet for:Steel Grades:Superalloys:2.4668

Chemical composition(mass fraction)(wt.%) of the 2.4668

Elements Min.(≥) Max.(≤)
C - 0.03
Cr 17.0 21.0
Mo 2.80 3.30
Ni 50.0 55.0
Al 0.20 0.60
Nb 4.75 5.50
Fe - Bal
Si - 0.35
Mn - 0.35
P - 0.015
S - 0.015
B - 0.006

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade 2.4668

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)
596 (≥) 683 (≥) 33 23 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 341
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 - -     0.11 -  
516 784 - 32.3 144   -  
344 - 24 11.2   443 132
Heat treated : 1378°C - 1183°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
2.4668 DIN Germany
Classification and designation for superalloys and high temperature intermetallic materials
NiCr19Fe19Nb5Mo3 DIN Germany
Classification and designation for superalloys and high temperature intermetallic materials
A 1014 N07718 ASTM USA
Standard Specification for Precipitation-Hardening Bolting (UNS N07718) for High Temperature Service
B 637 N07718 ASTM USA
Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High Temperature Service
B 670 N07718 ASTM USA
Precipitation-Hardening Nickel Alloy (UNS N07718) Plate, Sheet, and Strip for High-Temperature Service
B 983 N07718 ASTM USA
Precipitation Hardened or Cold Worked, Seamless Nickel Alloy Pipe and Tube
N07718 UNS USA
Ni-Cr Alloy Precipitation Hardenable
Inconel 718 AMS USA
Nickel Alloy, Corrosion and Heat-Resistant, Seamless Tubing 52.5Ni - 19Cr - 3.0Mo - 5.1Cb (Nb) - 0.90Ti - 0.50Al - 18Fe Consumable Electrode Remelted or Vacuum Induction Melted 1775°F (968°C) Solution Heat Treated
Inconel 718 SAE USA
Nickel Alloy, Corrosion and Heat-Resistant, Seamless Tubing 52.5Ni - 19Cr - 3.0Mo - 5.1Cb (Nb) - 0.90Ti - 0.50Al - 18Fe Consumable Electrode Remelted or Vacuum Induction Melted 1775°F (968°C) Solution Heat Treated
Relevant standard
Standard No. Description Download
DIN 17744 (2002) Wrought nickel alloys with molybdenum and chromium - Chemical composition
DIN 17750 (2002) Plates, strips and sheets of wrought nickel and nickel alloys - Properties
DIN 17752 (2002) Rods and bars of wrought and nickel alloys - Properties
DIN 17753 (2002) Wires of wrought nickel and nickel alloys - Properties
DIN EN 10088-1 Stainless steels - Part 1: List of stainless steels
DIN EN 10302 (2002) Creep resisting steels, nickel and cobalt alloys
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DIN 17744 (2002), DIN 17750 (2002), DIN 17752 (2002), DIN 17753 (2002), DIN EN 10088-1, DIN EN 10302 (2002), 2.4668 can be supplied as steel plate/ sheet, round steel bar, steel tube/pipe, steel stripe, steel billet, steel ingot, steel wire rods. electroslag, forged ring/ block,etc.
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