Rene 41

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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