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Product Overview
Introduction To Nickel A286 / Alloy A286 / AISI 660 / UNS S66286
MOKSH TUBES & FITTINGS LLP proudly, supplies, exports, and stocks a wide range of Nickel A286 products, including Pipes & Tubes, Sheets, Plates, Coils, Bars, Forgings, Fasteners, Pipe Fittings, Flanges, Wire Mesh, Welding Rods, and Custom Components designed for high-performance applications.
Alloy A286, also known as AISI 660 or UNS S66286, is a high-strength, iron-nickel-chromium alloy with additions of molybdenum and titanium. It is designed for applications requiring excellent strength and corrosion resistance at temperatures up to 704 °C (1300 °F). It exhibits outstanding mechanical properties and oxidation resistance, making it a widely used material in aerospace, automotive, marine, and industrial gas turbine components.
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Duplex Stainless Steel S31803 Specifications
| Category | Details |
|---|---|
| Grade | A286 / Alloy A286 / AISI 660 / UNS S66286 |
| Type | Precipitation-Hardenable Iron–Nickel–Chromium Alloy |
| Temperature Resistance | Up to 704 °C (1300 °F) |
| Strengthening Mechanism | Precipitation Hardening (Ti, Mo, V) |
| Forms Available | Pipes, Tubes, Plates, Bars, Coils, Fittings, Flanges, Fasteners |
| Conditions | Solution Annealed / Aged |
| Certification | EN 10204 3.1 / 3.2 |
| NACE | MR0175 / ISO 15156 Compliant |
Chemical Composition of Alloy A286
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | 24.0 – 27.0 |
| Chromium (Cr) | 13.5 – 16.0 |
| Iron (Fe) | Balance |
| Titanium (Ti) | 1.90 – 2.35 |
| Molybdenum (Mo) | 1.00 – 1.50 |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 1.00 |
| Carbon (C) | ≤ 0.08 |
| Vanadium (V) | 0.10 – 0.50 |
| Sulfur (S) | ≤ 0.030 |
| Phosphorus (P) | ≤ 0.030 |
| Aluminum (Al) | ≤ 0.35 |
| Boron (B) | 0.003 – 0.010 |
Designed for strength + oxidation resistance + stability at high temperatures.
Technical Composition of Nickel A286
Physical Properties of Nickel A286
| Property | Imperial | Metric |
|---|---|---|
| Density | 0.286 lb/in³ | 7.92 g/cm³ |
| Melting Range | 2550 °F | 1399 °C |
| Specific Heat | 0.10 Btu/lb·°F | 420 J/kg·°C |
| Thermal Conductivity | — | 12–13 W/m·°C |
| Electrical Resistivity | — | 0.91 Ω·mm²/m |
| Magnetic Permeability | ~1.007–1.010 | — |
| Elastic Modulus (E) | — | ~200 GPa |
| Thermal Expansion (70–1200 °F) | 9.2–9.9 ×10⁻⁶ /°F | 16.5–17.8 ×10⁻⁶ /°C |
Duplex S31803 has double the strength of 304/316 stainless steel and significantly higher pitting resistance.
Mechanical Properties of Alloy A286
| Condition | Tensile Strength | Yield Strength (0.2%) | Elongation | Hardness |
|---|---|---|---|---|
| Aged | 130–160 ksi (895–1103 MPa) | ≥ 90 ksi (620 MPa) | 15% | 248–341 HB / 24–35 HRC |
| Aged / Forged Bar (300 mm) | 130–175 ksi (895–1200 MPa) | 90 ksi (620 MPa) | 16% | Comparable |
| Typical Bar | 130 ksi (895 MPa) | 85 ksi (585 MPa) | 15% | 248–341 HB |
A286 retains strength better than most stainless steels at high temperatures.
International Standards & Equivalent Grades
| Form | Standards |
|---|---|
| Bars & Rods | ASTM A638, A484, AMS 5731 / 5732 / 5737 |
| Plates / Sheets / Strips | ASTM A693, AMS 5525 |
| Pipes & Tubes | ASTM B468, AMS 5734 |
| Fasteners | ASTM A453 Grade 660 A / B / C / D |
| Other Forms | ASME SA638, EN 10269 |
Products in Nickel A286 / AISI 660
Nickel A286 / AISI 660 is engineered for high-temperature, high-stress environments where other alloys fail. It maintains excellent corrosion resistance, good formability, and superior long-term stability in oxidizing conditions.
This alloy meets several recognized industry standards, including:
Uses and Advantages
High tensile and creep rupture strength at elevated temperatures
Excellent oxidation and corrosion resistance in high-heat environments
Superior fabricability and weldability
Maintains strength over long service periods
Non-magnetic after heat treatment
Readily available in both annealed and age-hardened forms
Applications of Nickel Alloy A286
Nickel Alloy A286 is widely used in environments where thermal stability and mechanical strength are critical. Key applications include:
Aerospace Industry
Jet engine components, afterburners, turbines, fasteners, and exhaust systems.
Power Generation
Turbine blades, boilers, high-temperature steam systems.
Automotive
Turbochargers, high-performance exhausts, engine components.
Chemical Processing
Equipment exposed to elevated temperatures and corrosive substances.
Oil & Gas
Offshore and subsea systems, flange connections, and downhole tools.
Marine
Heat exchangers, high-temperature fasteners, and structural parts.
Industrial Fasteners
Used in high-pressure/high-temperature bolting (ASTM A453 Grade 660).
WHY CHOOSE US?
FAQ's
What is Nickel A286 (AISI 660) and what are its key properties?
Nickel A286, also known as AISI 660 or UNS S66286, is a high-strength iron nickel chromium alloy with additions of molybdenum and titanium. It is designed for applications requiring excellent strength and corrosion resistance at temperatures up to 704 °C (1300 °F). The alloy exhibits superior mechanical properties, oxidation resistance, and thermal stability, making it ideal for aerospace, automotive, marine, power generation, and chemical processing applications.
What Nickel A286 products does Moksh Tubes & Fittings LLP supply?
Moksh Tubes & Fittings LLP manufactures, stocks, and exports a wide range of Nickel A286 products including seamless and welded pipes, tubes, sheets, plates, coils, strips, round bars, flat bars, hex bars, square bars, pipe fittings, flanges, fasteners, wire mesh, welding rods, and custom fabricated components. All products are designed for high-performance applications in extreme environments.
What are the main advantages of using Nickel A286 in industrial applications?
Nickel A286 offers high tensile and creep rupture strength even at elevated temperatures, excellent oxidation and corrosion resistance, and long-term dimensional stability. It is easily fabricated and welded, maintains mechanical integrity over prolonged service periods, and is non magnetic after heat treatment. These features make it suitable for critical, high-temperature, high stress industrial applications.
Which industries commonly use Nickel A286 alloy products?
Nickel A286 is widely used in aerospace for jet engines, turbines, exhaust systems, and fasteners; in power generation for turbines, boilers, and high temperature steam systems; in automotive for turbochargers and engine components; in chemical processing for high-temperature equipment; and in oil & gas, marine, and industrial sectors for heat exchangers, subsea tools, and high pressure fasteners.
Why choose Moksh Tubes & Fittings LLP for Nickel A286 supply?
Moksh Tubes & Fittings LLP provides certified, high performance Nickel A286 products with comprehensive test reports and compliance with international standards. With decades of expertise in nickel based alloys, in house machining, custom fabrication, ready stock for fast delivery, global export capabilities, and dedicated technical support, the company ensures reliable solutions for critical industrial applications.
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