Rene 41

UNS N07041
W.Nr 2.4973

Applications

Turbine blades, wheels, combustion chamber liners, after burners, and structural hardware.

Description

Rene 41 is a precipitation-hardenable Nickel-Chromium alloy with high strength and oxidation resistance at elevated temperatures from 1200°F - 1800°F.

Industries Supplied

Aerospace.

Nominal Composition

C: 0.12 max
Mn: 0.10 max
Si: 0.50 max
S: 0.015 max
Cr: 18.0 - 20.0
Co: 10.0 - 12.0 
Mo: 9.0 - 10.50 
Ti: 3.0 - 3.30 
Al: 1.40 - 1.60
B: 0.003 - 0.010
Fe: 5.0 max
Cu: 0.50 max 
Ni: Balance

Physical Properties

Density: 0.298 lb/in3, (8.25 g/cm3)

Modulus of Elasticity (E): 
At 70°F (20°C): 31.6 x 103 ksi (218 GPa)

Modulus of Rigidity (G)
At 70°F (20°C):  12.1 x 103 ksi (83.4 GPa)

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

Electrical Resistivity: 51.5 µΩ.in, (131 µΩ.cm)

Thermal Conductivity: 62 Btu-in/ft2hr-°F, (9.0 W/m-K)

Applicable Specifications

Strip and Foil: AMS 5545, GE B50T59, GE B50TF109

Typical Mechanical Properties

  • Annealed
    • Heat Treatment: 1975°F (1079°C)
    • Tensile Strength: 170 ksi (1172 MPa) max
    • Suggested Operating Conditions: -300°F to 1500°F (-184°C to 815°C)
  • Spring Temper
  • Suggested Operating Conditions: -300°F to 1500°F (-184°C to 815°C)
  •  
  • After Precipitation Heat Treat
  • Heat Treatment: per AMS 5545
  • Tensile Strength: 160 ksi (1103 MPa) Min
  • Suggested Operating Conditions: -300°F to 1500°F (-184°C to 815°C)
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    For further information Contact:

    Email: stripinfo@elgiloy.com
    Phone: 1 888 843 2350 
    Elgiloy Specialty Metals - Strip Products
    1565 Fleetwood Dr.
    Elgin, IL 60123 USA