Rene 41 (UNS N07041 / W.Nr. 2.4973)

Rene 41 (UNS N07041 / W.Nr. 2.4973) is an age hardening nickel base super alloy with has exceptional strength from room temperature through to between 650-980℃. Alloy 41 is designed for use in severely stressed high temperature applications. It is typically used in hot components for jet engines, rocket engines, turbine blades, turbine wheels, torque rings, bolting, springs and much more.

Equivalent Grades

Rene 41
Pyromet 41
Carpenter 41
GH4141N07041NiCr19CoMo2.4973ATG W2

Chemical Composition, %

Rene 41≤0.12≤0.50≤0.10≤0.015≤0.01518.0-20.0Bal10.0-12.09.0-10.51.4-1.83.0-3.3≤0.50≤5.00

Typical Physical and Mechanical Properties (RT, Solution Annealed+Aged)

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

Available Products and Specifications

Rod, Bar, Wire and ForgingsAMS 5712, AMS 5713,
Plate, Sheet and StripAMS 5545
Pipe and TubeBS HR 401
Welding Product
OthersDIN 17742


  • Exceptionally high strength
  • Oxidation resistant through 980℃


  • Missile components
  • Bolting
  • Springs
  • Nozzle partitions in jet engines
  • Turbine blades in jet engines
  • Wheels in jet engines
  • Combustion liners in jet engines