A286
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A286 - High-Temperature Strength and Corrosion Resistance
A286 is an iron-based super alloy that combines high strength, excellent oxidation and corrosion resistance, and good weld ability, making it ideal for use in high-temperature applications. This alloy is primarily composed of nickel, chromium, and iron, with additions of molybdenum and titanium for enhanced strength and resistance to thermal degradation. It is commonly used in applications requiring good strength up to 1300°F (704°C) and resistance to various corrosive environments, including acidic, marine, and high-temperature conditions.
A286 is primarily used in the aerospace, chemical, and power generation industries, where it is used in components such as turbine blades, fasteners, and other critical parts that are exposed to high temperatures and mechanical stress.
Features of A286:
- High strength at elevated temperatures, typically up to 1300°F (704°C).
- Good oxidation and corrosion resistance, particularly in high-temperature environments.
- Excellent weld ability, even in high-stress applications.
- Good fatigue and creep resistance at elevated temperatures.
- Good formability and machinability, allowing for complex parts to be manufactured with ease.
Specifications:
- AMS 5731, AMS 5732, AMS 5737
- ASTM A453
- UNS S66286
- ASME SB-453
IRON-BASED SUPERALLOYS - A286
| Applicable Standards | AMS 5731, AMS 5732, AMS 5737, UNS S66286, ASME SB-453 |
|---|---|
| Carbon % | 0.15 Max |
| Silicon % | 1.00 Max |
| Manganese % | 1.00 Max |
| Sulphur % | 0.015 Max |
| Chromium % | 14-16 |
| Molybdenum % | 1.0-1.5 |
| Nickel % | 24-27 |
| Titanium % | 1.0-2.5 |
| Aluminum % | 0.15-0.45 |
| Tungsten % | – |
| Hardness (BHN) | 200-270 BHN |
| Density | 7.90 g/cm³ |
| U.T.S. (N/MM²) | 860 MPa |
| Yield Strength (MPa) | 550-690 MPa |
| Elongation | 20% |
| Reduction Area | 50% |
| Impact (Room Temperature) | 75 J |
| Impact (-196°C) | – |