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ELGILOY SPECIALTY METALS

Strip – Haynes 263

Strip – Haynes 263

Haynes® 263 Alloy

UNS N07263
W.Nr 2.4650

Applications

Aircraft and land-based turbine components.

Description

Haynes® 263 alloy is an age-hardenable Ni-Co-Cr-Mo alloy designed to combine very good aged strength properties with excellent fabrication characteristics in the annealed condition. While its strength at high temperature is not quite as high as Waspaloy or R-41, it is far easier to form or weld than these alloys.  Alloy 263 exhibits excellent intermediate temperature tensile ductility, and is not normally subject to strain age cracking problems common for gamma prime strengthened alloys.

Nominal Composition

C: 0.04 – 0.08
Mn: 0.60 max
Si: 0.40 max
P: 0.015 max
S: 0.007 max
Cr: 19.0 – 21.0
Co: 19.0 – 21.0
Mo: 5.60 – 6.10
Ti: 1.90 – 2.40
Al: 0.30 – 0.60
Fe: 0.70 max
Cu: 0.20 max
Ni: Balance

Physical Properties

Density: 0.302 lb/in3, (8.36 g/cm3)

Modulus of Elasticity (E):
At 70°F (20°C): 32.1 x 103 ksi (221 GPa)

Coefficient of Expansion:
7.6 µin/in.-°F (70°F to 1000°F)
13.6 µm/m-°C (20°C to 538°C)

Electrical Resistivity: 45.3 µΩ.in, (115 µΩ.cm)

Thermal Conductivity: 81 Btu-in/ft2hr-°F, (11.7 W/m-K)

Applicable Specifications

Strip: AMS 5872

Typical Mechanical Properties

  • Annealed
    • Heat Treatment: 1900 – 2150°F (1038 – 1177°C)
    • Tensile Strength: 128 ksi (882 MPa) typ
    • Suggested Operating Conditions: -300°F to 1650°F (-184°C to 900°C)
  • After Precipitation Heat Treat
    • Heat Treatment: 1475°F (802°C), 8h, AC
    • Tensile Strength: 164 ksi (1130 MPa) typ
    • Suggested Operating Conditions: -300°F to 1650°F (-184°C to 900°C)

Haynes® is a registered trademark of Haynes International, Inc.

For further information Contact:

Email: [email protected]
Phone: 1 888 843 2350
Elgiloy Specialty Metals – Strip Products
1565 Fleetwood Dr.
Elgin, IL 60123 USA

Limitation of Liability and Disclaimer of Warranty:

  • The content in these data sheets is provided primarily by third-party melting mills and is provided for reference only.  It is not intended for engineering or design.
  • Applications may be discussed, however, Elgiloy Specialty Metals, a Division of Combined Metals of Chicago L.L.C., does not recommend or endorse any material for any particular end use or application.
  • The data included in this data sheet are typical values and may vary.
  • Elgiloy Specialty Metals, a Division of Combined Metals of Chicago L.L.C., makes no representations or warranties, express or implied, as to the accuracy, completeness, condition, suitability, performance, fitness for a particular purpose, or merchantability of any information contained in any data sheet.

In no event will Elgiloy Specialty Metals, a Division of Combined Metals of Chicago L.L.C., be liable for any damages whatsoever arising from the use of the information included in the data sheets.