- Description
A286 High-Temperature Alloy Plate: Performance Limits and Applications of Iron-Based Superalloys
A286 plate is a precipitation-hardened iron-based superalloy designed for extreme service conditions where both high temperature strength and oxidation resistance sont requis. Il est largement utilisé dans aerospace engines, turbine systems, high-temperature fasteners, and power generation equipment.
Compared with conventional stainless steels, A286 maintains excellent mechanical stability at temperatures up to approximately 700°C, making it a critical material in high-performance engineering environments.
1. What is A286 Alloy Plate?
| Propriété | Description |
|---|---|
| Material type | Iron-based superalloy (austenitic precipitation-hardened) |
| Main elements | Fe–Ni–Cr with Mo, De, V additions |
| Service temperature | Up to ~700°C |
| Strength mechanism | Durcissement par précipitation |
A286 combines stainless steel corrosion resistance with superalloy-level high-temperature strength.
2. Performances à haute température (Up to 700°C)
- Maintains tensile strength under long-term heat exposure
- Excellent oxidation resistance in high-temperature air
- Stable mechanical properties under thermal cycling
- Resists creep deformation in demanding environments
| Plage de température | Performance Behavior |
|---|---|
| Room temperature | High strength and toughness |
| 500–650°C | Stable mechanical performance |
| ~700°C | High-temperature structural integrity maintained |
3. Key Mechanical Advantages
- Excellent creep resistance at elevated temperatures
- High tensile and yield strength after aging
- Bonne résistance à la corrosion et à l'oxydation
- Reliable fatigue performance in cyclic loading
4. A286 vs Conventional Stainless Steels
| Propriété | A286 Alloy | 304 / 316 Acier inoxydable |
|---|---|---|
| High-temperature strength | Excellent (up to 700°C) | Limité |
| Creep resistance | Haut | Low to moderate |
| Oxidation resistance | Excellent | Bien |
| Application level | Aérospatial / turbine grade | Usage industriel général |
5. Applications typiques
| Industrie | Exemples d'application |
|---|---|
| Aérospatial | Composants de moteur à réaction, turbine discs, pièces structurelles |
| Production d'énergie | High-temperature bolts, attaches, gas turbine systems |
| Équipement industriel | Heat-resistant springs, high-load connectors |
| Automobile (high performance) | Turbocharger components |
6. Traitement & Fabrication Notes
- Solution treatment followed by aging is required for full strength
- Machining should be performed in annealed condition
- Welding requires controlled procedures due to alloy complexity
- Heat treatment is critical for final mechanical performance
7. Teda Ganghua Alloy Supply Capability
À Teda Ganghua, we supply high-quality A286 alloy plates with stable high-temperature performance and strict composition control. Our materials are widely used in aerospace, turbine systems, and high-temperature industrial engineering projects.
Nous réalisons également des découpes de précision, dimensionnement personnalisé, and fabrication support to meet demanding technical requirements for global industrial clients.
Découvrez nos produits en acier inoxydable ici:
Produits en tôle d'acier inoxydable
Conclusion
A286 plate is a high-performance iron-based superalloy designed for extreme thermal environments up to 700°C. Its exceptional strength retention, résistance à l'oxydation, and creep performance make it indispensable in aerospace and turbine engineering applications.
