Rene 41 is an age hardenable nickel base alloy that has very
high strength at elevated temperatures, particularly within
the range of 650 - 980oC (1200 - 1800oF).
Required mechanical properties can be tailored by selection
of various combinations of cold work and/or heat treatments.
Rene 41 also has good oxidation resistance.
Applications include:
- After Burner Parts
- Turbine Castings
- Bolts
- Other fasteners
| Approximate Chemical Composition | |
| Cr | 18-20% |
| Co | 12% |
| Mo | 9-10.5% |
| Ti | 3.0-3.3% |
| Al | 1.4-1.6% |
| Ni | BAL |
| DENSITY | 8.25 g/cm3 | 0.298 lb/in3 |
| MELTING POINT | 1345 oC | 2450 oF |
| COEFFICIENT OF EXPANSION | 13.6 µm/m °C ( 20 - 100°C) |
7.41 x 10-6 in/in
°F ( 70 - 212°F) |
| MODULUS OF RIGIDITY | 83.2 kN/mm2 | 12067 ksi |
| MODULUS OF ELASTICITY | 218.0 kN/mm2 | 31619 ksi |
| CONDITION OF SUPPLY | HEAT TREATMENT (AFTER FORMING) |
| Annealed | Age harden at 760oC (1400oF) for 16 hours and air cool. |
| Spring Temper | 1. Solution Anneal at 1065ºC (1950ºF)
for 4 hours and air cool 2. + Age at 760ºC (1400ºF) for 16 hours and air cool |
| No 1 Spring Temper | Age harden at 760ºC (1400ºF) for 16 hours and air cool |
| CONDITION | APPROX TENSILE STRENGTH | APPROX SERVICE TEMPERATURE | ||||
| Annealed |
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| Annealed + Aged |
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| Spring Temper |
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| Spring Temper + Aged |
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| STANDARDS | |
| AMS 5545 | AMS 5800 |
