Exotic Alloys Alloy A286 Round Bar Overview
Zeon Exports supplies Exotic Alloy A286 (UNS S66286) round bars, an iron-nickel-chromium precipitation-hardening superalloy combining high strength with good oxidation resistance up to 704°C, for aerospace, gas turbine and oil & gas applications.
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Exotic Alloy A286 Round Bar is machined into high-temperature fasteners, turbine hardware and downhole tooling for aerospace, gas turbine and oil & gas applications. Its titanium-driven precipitation hardening gives high tensile and yield strength while retaining good oxidation resistance in continuous service up to 704°C, making it a preferred choice wherever standard stainless steel lacks sufficient high-temperature strength.
- Age-hardened via titanium for very high strength
- Tensile ≥895 MPa, yield ≥655 MPa in Class A condition
- EN 10204 3.1 certified, export-ready worldwide
Quick Specifications of Exotic Alloys Alloy A286 Round Bar
Exotic Alloy A286 Round Bar is produced to internationally recognized bar specifications.
| Field | Detail |
|---|---|
| Material/Grade | Exotic Alloy A286 |
| UNS | S66286 |
| DIN/Werkstoff Number | 1.4980 |
| Standards | ASTM A453 Grade 660, ASTM B637, AMS 5731/5732/5737 |
| Form | Round Bar |
| Finish | Hot rolled, turned, ground (as specified) |
| Heat Treatment | Solution Treated + Aged |
| Certification | EN 10204 3.1 |
Equivalent Grades of Alloy A286
Alloy A286 is recognized under several international designations below.
| UNS | DIN/Werkstoff Number | Common Trade Name | ASTM/ASME Standard |
|---|---|---|---|
| S66286 | 1.4980 | A-286 / Iron Alloy 660 / Incoloy A286 | ASTM A453 Gr. 660 |
Chemical Composition of Alloy A286
Composition per ASTM A453 Grade 660 for UNS S66286; exact limits can vary slightly by specification and heat.
| Element | Composition (%) |
|---|---|
| Iron (Fe) | Balance (~53% nominal) |
| Nickel (Ni) | 24.0 – 27.0 |
| Chromium (Cr) | 13.5 – 16.0 |
| Molybdenum (Mo) | 1.0 – 1.5 |
| Titanium (Ti) | 1.90 – 2.35 |
| Vanadium (V) | 0.10 – 0.50 |
| Boron (B) | 0.001 – 0.010 |
| Carbon (C), max | 0.08 |
| Manganese (Mn), max | 2.00 |
| Silicon (Si), max | 1.00 |
| Aluminum (Al), max | 0.35 |
Physical Properties of Exotic Alloy A286
Physical properties for A286, confirmed against manufacturer data.
| Property | Value |
|---|---|
| Density | 7.94 g/cm3 |
| Melting Range | Confirm against applicable datasheet |
| Magnetic Behaviour | Non-magnetic (both ST and aged conditions) |
Mechanical Properties of Exotic Alloys Alloy A286 Round Bar
Minimum mechanical properties for Class A (solution treated + aged) UNS S66286 per ASTM A453 Grade 660.
| Property | Minimum Value |
|---|---|
| Tensile Strength | 895 MPa (130 ksi) |
| Yield Strength (0.2% offset) | 655 MPa (95 ksi) |
| Elongation | 15% (typical) |
| Hardness | 248 – 341 HB |
| Condition | Solution Treated + Aged |
Corrosion Resistance of Exotic Alloy A286
- Exotic Alloy A286 Round Bar combines corrosion resistance with high strength retained at elevated temperature.
- Oxidation resistance: stable in continuous service up to 816°C and intermittent service up to 982°C.
- Pitting and crevice resistance: chromium content gives moderate resistance similar to austenitic stainless steel.
- Non-magnetic: remains non-magnetic even after severe cold working, useful near magnetic-sensitive equipment.
Heat Resistance of Exotic Alloy A286
Exotic Alloy A286 round bar performs reliably in continuous service up to roughly 704°C (1,300°F), with oxidation resistance extending to 816°C continuous and 982°C intermittent exposure. Confirm the exact heat treatment condition and service limits against the governing standard before specifying.
Key Properties of Exotic Alloys Alloy A286 Round Bar
Beyond corrosion and heat performance, A286 round bar offers these additional properties.
- Very high strength via titanium-driven precipitation hardening
- Good creep resistance at elevated temperature
- Excellent resistance to hydrogen embrittlement
- Good weldability and fabricability for a precipitation-hardening alloy
Benefits of Exotic Alloys Alloy A286 Round Bar
Choosing A286 round bar from Zeon Exports delivers measurable advantages for your project.
- Proven aerospace-grade strength at a lower cost than nickel superalloys
- Full MTC 3.1 documentation for project QA/QC requirements
- Multiple sizes and finishes to match exact project specs
- Reliable bulk supply with consistent ready stock
- Competitive export pricing for large industrial orders
- Fast dispatch to global project sites and ports
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Frequently Asked Questions About Exotic Alloys Alloy A286 Round Bar
Common questions about Exotic Alloy A286 Round Bar, answered below.
Q1: **What is Exotic Alloy A286?
Ans. A286 (UNS S66286) is an iron-nickel-chromium precipitation-hardening superalloy with titanium additions for high strength.**
Q2: **What standards apply to A286 round bar?
Ans. Round bar is manufactured to ASTM A453 Grade 660 / B637, certified to EN 10204 3.1 mill test certificates.**
Q3: **What is the maximum service temperature?
Ans. A286 performs reliably in continuous service up to roughly 704°C (1,300°F); confirm exact limits against your design code.**
Q4: **Is A286 magnetic?
Ans. No, A286 is non-magnetic in both solution-treated and aged conditions, even after severe cold working.**
Q5: **How is A286 different from Inconel 718?
Ans. A286 is an iron-based superalloy with lower cost and good strength to 704°C; Inconel 718 is nickel-based with higher strength and a higher temperature ceiling.**
Q6: **Is A286 suitable for jet engine fasteners?
Ans. Yes, A286 is one of the most widely used alloys for jet engine, gas turbine and aerospace fasteners.**
Q7: **What certification is provided with orders?
Ans. Every order ships with EN 10204 3.1 mill test certificates confirming grade, heat and dimensions.**
Q8: **Does Zeon Exports supply custom sizes?
Ans. Yes, round bars are available cut-to-size and in custom dimensions on request for bulk industrial orders.**
