📄 Product Description: Alloy A286 / 1.4980 — Heat-Resistant Austenitic Iron-Based Alloy
🧾 General Technical Characteristics
Alloy A286 (also known as 1.4980 or UNS S66286) is a heat-resistant austenitic alloy based on iron, nickel, and chromium, further alloyed with molybdenum and titanium. It offers excellent corrosion resistance, high strength at temperatures up to 700 °C, as well as good weldability and machinability.
This alloy is widely used in aerospace, energy, and chemical industries, especially where strength, oxidation resistance, and durability under high temperatures are required.
⚙️ Applications
- Gas turbine engine components
- Turbine and heat exchanger parts
- Bolts, studs, and fasteners
- Reactor and furnace parts
- Components for use in aggressive environments (including seawater and acids)
📈 Key Advantages
- ✅ Heat resistance up to 700 °C (occasionally up to 800 °C)
- ✅ High strength and long-term creep resistance
- ✅ Oxidation and corrosion resistance
- ✅ Good weldability and machinability
- ✅ Excellent impact toughness even at low temperatures
🧪 Chemical Composition (Typical for Alloy A286 / 1.4980)
| Element | Content (%) |
|---|---|
| Iron (Fe) | Balance |
| Nickel (Ni) | 24–27 |
| Chromium (Cr) | 13.5–16 |
| Molybdenum (Mo) | 1.0–1.5 |
| Titanium (Ti) | 1.9–2.35 |
| Vanadium (V) | ≤ 0.5 |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 1.0 |
| Carbon (C) | ≤ 0.08 |
| Sulfur (S) | ≤ 0.03 |
| Phosphorus (P) | ≤ 0.025 |
| Boron (B) | 0.003–0.01 |
🧩 Mechanical Properties (In Strengthened Condition)
- Tensile Strength: ≥ 895 MPa
- Yield Strength: ≥ 585 MPa
- Elongation at Break: ≥ 15–20%
- Hardness: ~285 HB
- Operating Temperature: up to +700 °C (short-term up to +800 °C)
✅ Conclusion
Alloy A286 / 1.4980 is a reliable heat-resistant material for critical components operating under high temperatures and aggressive environments. It combines strength, corrosion resistance, and thermal stability, making it an ideal choice for aerospace, energy, and industrial applications.
Available in bars, sheets, forgings, strips, and fasteners. Supplied in either strengthened or annealed condition depending on customer requirements.
Delivery Forms Alloy A286 / 1.4980
| Alloy A286 / 1.4980 wheel | Diameter 4-300mm |
| Alloy A286 / 1.4980 sheet | Thickness 0.5-20mm |
| Alloy A286 / 1.4980 Tape | Thickness 0.2-2mm |
| Alloy A286 / 1.4980 strip | Thickness 10-50mm |
| Alloy A286 / 1.4980 wire | Diameter 0.5-9mm |
| Alloy A286 / 1.4980 Tube | – Hot Rolled Round Tube diameter 38 or more up to 244.5 mm, thickness from 3 to 25 mm -Cold drawn round tube diameter from 6 to 219.1mm thickness from 0.9 to 14.2mm |
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