2.4669 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 2.4669

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DIN 2.4669

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This page is mainly introduced the 2.4669 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 2.4669,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
2.4669, NiCrFeTi alloy; High-temperature resisting material
  • Steel Garde:2.4669
  • Type:Superalloys
  • Country:Germany
  • Standard:DIN
  • Standard Number:
    ITEM Standard Number Descriptions
    1 DIN EN 10088-1 Stainless steels - Part 1: List of stainless steels
    2 DIN EN 10269 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
    3 DIN EN 10302 (2002) Creep resisting steels, nickel and cobalt alloys
  • Application:NiCrFeTi alloy; High-temperature resisting material

Cross Reference Table(Equivalent Materials):

Material Standard Country
NiCr15Fe7TiAl DIN Germany
N07750 UNS USA
B 637 N07750 Type 1 ASTM USA
B 637 N07750 Type 2 ASTM USA
SB-637 N07750 Type 1 ASME USA
Inconel X750 SAE USA

Chemical composition(mass fraction)(wt.%)

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

Tensile strength 237~411 σb/MPa
Yield Strength 633 σ 0.2 ≥/MPa
Elongation 14 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 824~700 -
HRC 30 -

Physical Properties

Thermal expansion 60-46 e-6/K
Thermal conductivity 10-60 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2800-5268 째C
Density 6615-1041 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
2.4669 Superalloys Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download

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