Refractaloy 26 (W.Nr. 1.2888)

Refractaloy 26 (W.Nr. 1.2888) is a high heat resistant alloy of nickel, chromium, cobalt and iron, possessing high creep and endurance strengths along with high ductility at elevated temperatures. It responds to precipitation-hardening heat treatment.

Equivalent Grades

TrademarkGBGOSTASTMUNSDINW.Nr.NFBSJISSS
Refractaloy 26GH2026Refractaloy 261.2888

Chemical Composition, %

AlloyCSiMnPSCrNiCoMoAlTiFe
Refractaloy 26≤0.08≤1.5≤1.0≤0.03≤0.0316.0-20.035.0-39.018.0-22.02.5-3.5≤0.252.5-3.0Bal

Typical Physical and Mechanical Properties (RT, Solution annealed)

Density, g/cm3Melting Point, ℃Tensile Strength, MPaYield Strength, MPaELongation, %Hardness, HRB
9.141300-133092561010/

Available Products and Specifications

Rod, Bar, Wire and Forgings
Plate, Sheet and Strip
Pipe and Tube
Welding Product
Others

Features

The composite properties of the alloy are superior, with excellent tensile resistance, force relaxation and creep resistance, no notch sensitivity.

Applications

  • Fasteners for steam turbines
  • Bolt
  • Air seal spring sheet
  • Sealing ring
  • Pin