Rene 41
UNS N07041
Description
Rene 41 is an age-hardening nickel-chromium alloy with high strength and oxidation resistance. It maintains high strength from room temperature to elevated temperatures, particularly within the range of 650-980 °C (1200-1800 °F). Rene 41 has good relaxation resistance up to 1500 °F (815 °C) at low loads. Its mechanical properties vary with the solution and aging treatments. Higher solution temperatures result in better room temperature ductility and elevated temperature creep-rupture strength. Lower solution temperatures give higher tensile strengths. Rene 41 has found applications in jet engine and high speed airframe components.
Chemical Component
| Ni | Co | Cr | Mo | Fe | Ti | Al | Si | C | S | B |
|---|---|---|---|---|---|---|---|---|---|---|
| 63.00% min | 2.50% max | 0.02% | 2.00% max | 0.30% max | 0.50% max | 28.0-34.0% | 0.005% max | 0.024% max |
Basic Information
| Items | Rene 41 |
|---|---|
| Catalog | ACMA-Ni-A024 |
| 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 | At 70 °F to 600 °F: 7.0 µin/in.-°F (At 20° C to 300 °C: 12.6 µm/m-°C) |
| Electrical Resistivity | 51.5 µΩ.in (131 µΩ.cm) |
| Thermal Conductivity | 62.0 Btu-in/ft2hr-°F (9.0 W/m-K) |
Material Forms
Alfa Chemistry offers Rene 41 alloy in the forms of Wire, Bar, etc.
Typical Mechanical Properties
- Wire & Bar for spring applications
| Properties | Annealed | Spring Temper | Spring Temper + Aged |
|---|---|---|---|
| Heat Treatment | 1950 °F (1065 °C) | - | After spring coiling. Solution Anneal: 1950 °F (106 5°C) for 4 hours. Age: 1400 °F (760 °C) for 16 hours. |
| Tensile Strength | 120-160 ksi; (830-1100 MPa) | 210-250 ksi; (1450-1725 MPa) | 200-225 ksi (1380-1550 MPa) |
| Suggested Operating Conditions | - | - | -300 °F to 1500 °F (-184 °C to 815 °C) |
Specifications
Wire & Bar: AMS 5712, AMS 5800.
Applications
Rene 41 can be used in aerospace, automotive fields, the specific applications include:
- Springs
- Nozzle partitions
- Turbine blades
- Wheels
- Fasteners
- Pumps
- Hot-wire foam cutters
- Jet engine hot components
- Missile components
- Bolting
- Afterburner parts
- Buckets
* Technical data included herein should be used as a guideline only, and should not be construed as maximum or minimum values for specification or for final design, or for a particular use or application. The data may be revised anytime without notice.
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