- 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 are required. It is widely used in 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?
| Property | Description |
|---|---|
| Material type | Iron-based superalloy (austenitic precipitation-hardened) |
| Main elements | Fe–Ni–Cr with Mo, Ti, V additions |
| Service temperature | Up to ~700°C |
| Strength mechanism | Precipitation hardening |
A286 combines stainless steel corrosion resistance with superalloy-level high-temperature strength.
2. High-Temperature Performance (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
| Temperature Range | 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
- Good corrosion and oxidation resistance
- Reliable fatigue performance in cyclic loading
4. A286 vs Conventional Stainless Steels
| Property | A286 Alloy | 304 / 316 Stainless Steel |
|---|---|---|
| High-temperature strength | Excellent (up to 700°C) | Limited |
| Creep resistance | High | Low to moderate |
| Oxidation resistance | Excellent | Good |
| Application level | Aerospace / turbine grade | General industrial use |
5. Typical Applications
| Industry | Application Examples |
|---|---|
| Aerospace | Jet engine components, turbine discs, structural parts |
| Power generation | High-temperature bolts, fasteners, gas turbine systems |
| Industrial equipment | Heat-resistant springs, high-load connectors |
| Automotive (high performance) | Turbocharger components |
6. Processing & 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
At 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.
We also provide precision cutting, custom sizing, and fabrication support to meet demanding technical requirements for global industrial clients.
Explore our stainless steel products here:
Stainless Steel Plate Products
Conclusion
A286 plate is a high-performance iron-based superalloy designed for extreme thermal environments up to 700°C. Its exceptional strength retention, oxidation resistance, and creep performance make it indispensable in aerospace and turbine engineering applications.
