1. Introduce
– Addition of Mo, Al, Ti to improve strength through precipitation hardening
– Excellent 1010℃ high temperature strength, creep resistance, and oxidation resistance
– UNS N07115
* Nimonic
- Ni-Cr alloy
- Excellent heat and oxidation resistance
- Alloy of Ni and Cr with trace amounts of Ti and Al
* UNS
- Abbreviation for Unified Numbering Systems for Metals and Alloys
- Unified unique 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 N07115 : 07XXX : Chromium (Precipitation-hardenable alloy)
2. Property
– Excellent oxidation resistance, creep resistance, high temperature strength
| Element | Impact |
|---|---|
| Ni | Prevents aging hardening, 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 |
[Nimonic 115 Chemical Composition (%)]
| Ni | Cr | Fe | C | Al |
|---|---|---|---|---|
| 49.90 ~ 61.87 | 14.00 ~ 16.00 | Max. 1.00 | 0.12 ~ 0.20 | 4.50 ~ 5.50 |
| Ti | Cu | Si | Mn | Mo |
|---|---|---|---|---|
| 3.50 ~ 4.50 | Max. 0.20 | Max. 1.00 | Max. 1.00 | 3.00 ~ 5.00 |
| S | Co | Zr | B | |
|---|---|---|---|---|
| Max. 0.02 | 13.00 ~ 15.00 | Max. 0.15 | 0.01 ~ 0.03 |
[Nimonic 115 Mechanical Properties]
| Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation (%) |
|---|---|---|
| 1240 ~ 1273 | 865 ~ 870 | 27 ~ 27.6 |
[Nimonic 115 Physical Properties]
| Density (g/cm³) | Melting Range (℃) | Specific Heat (0-100℃), J/kg*℃ |
|---|---|---|
| 7.85 | 1290 ~ 1345 | 444 |
3. Standard & Specification
– Specification : UNS N07115
| Product Form | BS | AECMA | ASTM | ASME |
|---|---|---|---|---|
| Billet, Bar, Forgings, Parts | HR4 | PrEn 2196, PrEn 2197 | – | – |
| Pipe, Tube | – | – | B463 | SB463 |
| Plate | – | – | B463 | SB463 |
4. Available Form
– Billet, Bar, Forgings, Parts
– Pipe, Tube
– Plate, Sheet
5. Application & Product
– Aerospace, Petrochemical, Power Generation
| Application | Product |
|---|---|
| Aerospace | Turbine Blades, Exhaust Nozzles, Jet Engines, Turbochargers |
| Petrochemical | Pumps, Valves |
| Power Generation | Steam turbine rotors, Heat exchangers, Gas turbines |
(1) Exhaust nozzles / (2) Jet engines / (3) Turbochargers
(4) Pumps / (5) Valves / (6) Heat exchangers
Leave a Reply
You must be logged in to post a comment.