2.4669 Superalloys to DIN EN 10088-1

2.4669 - Specification & Application

  • 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

NiCrFeTi alloy; High-temperature resisting material

Chemical composition(wt.%) of 2.4669 grade: to DIN EN 10088-1

Elements Min.(≥) Max.(≤) Similar Remarks
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

2.4669 - Detail

2.4669, NiCrFeTi alloy; High-temperature resisting material

Mechanical properties of grade 2.4669 DIN EN 10088-1

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
741 (≥) 479 (≥) 12 24 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical properties of grade 2.4669 DIN EN 10088-1

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
188 (≥) 692 (≥) 23 44 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 323
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
726 572 551

Equivalent Products

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