1. Introduce
– Age-hardenable Ni-Cr alloy containing Al, Ti, Co, and Mo
– 650~980℃ high strength, oxidation resistance
– Haynes R-41, Pyromet 41, Udimet R41
– UNS N07041
* Rene
– Age-hardenable Ni-Cr alloy with high strength, high temperature and corrosion resistance
* Age Hardening
– A phenomenon that improves the properties of a material by allowing diffusion of solute atoms to occur at room or near room temperature
* UNS
- Abbreviation for Unified Numbering Systems for Metals and Alloys
- Unified numbering system for metals and alloys
- A representative number that is compatible with metals and alloys defined in many material-related codes such as ASTM, AISI, ASME, AWS, etc.
* N : Nickel and nickel alloys
* UNS N07041 : 07XXX : Chromium (Precipitation-hardenable alloy)
2. Property
– High strength, oxidation resistance, corrosion resistance, good oxidation resistance
| Element | Impact |
|---|---|
| Ni | Provides excellent strength and corrosion resistance |
| Cr | Provides corrosion resistance, oxidation resistance |
| Co | Provides strength, creep properties |
| Ti | Provides high temperature strength |
| Al | Provides high temperature strength, high temperature creep properties |
| Mo | Provides high temperature creep properties |
[Rene 41 Chemical Composition (%)]
| Ni | Cr | Fe | Al |
|---|---|---|---|
| 47.60 ~ 58.60 | 18.00 ~ 20.00 | Max. 5.00 | 1.40 ~ 1.60 |
| Ti | Mo | Co | |
|---|---|---|---|
| 3.00 ~ 3.30 | 9.00 ~ 10.50 | 10.00 ~ 12.00 |
[Rene 41 Mechanical Properties]
| Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation (%) |
|---|---|---|
| 1173 | 897 | 21 |
[Rene 41 Physical Properties]
| Density (g/㎤) | Melting Range (℃) | Specific Heat (0-100℃), J/kg*℃ |
|---|---|---|
| 8.25 | 1232 ~ 1391 | 435 |
3. Standard & Specification
– Specification : UNS N07041
| Product Form | AMS |
|---|---|
| Sheet, Strip, Plate | 5545 |
| Bar, Rod | 5712, 5713 |
| Wire | 5712, 5800 |
4. Available Form
– Sheet, Strip, Plate
– Bar, Rod
– Wire
5. Application & Product
– Aerospace
| Application | Product |
|---|---|
| Aerospace | Turbine Blades, Turbine Wheels, Combustion Chamber Liners, Springs, Fasteners, Turbine Casings |
(1) Turbine Wheels / (2) Combusion Chamber Liners / (3) Springs / (4) Turbine Casings
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