✓ Available from European Stock

• EN 10269
• EN 10204 3.1
• Round Bars Ø6.5–310 mm
• Worldwide Delivery
• Cut-to-Length Service
• Fast Quotations within 24 Hours

A286 is one of the most widely specified materials for high-temperature bolting and turbine components in the power generation and aerospace industries.

A286 Round Bar Supplier

Looking for A286, 1.4980, UNS S66286, Alloy 660 or X6NiCrTiMoVB25-15-2 round bars?

WTE PowerSteel is a European supplier and stockholder of A286 (1.4980 / UNS S66286) round bars manufactured according to EN 10269 and supplied with full material traceability and EN 10204 3.1 certification.

A286 is a precipitation-hardenable austenitic stainless steel developed for demanding applications requiring high mechanical strength, excellent oxidation resistance and outstanding creep resistance at elevated temperatures. The alloy maintains excellent mechanical properties up to approximately 700°C, while offering very good corrosion resistance and weldability.

Thanks to its excellent combination of strength, toughness and thermal stability, A286 is widely used for high-temperature fasteners, gas turbines, steam turbines, aerospace components and nuclear power equipment where long-term reliability is essential.

Why Choose A286?

Key Benefits

• Excellent high-temperature strength
• Outstanding creep resistance
• Excellent oxidation resistance
• High tensile and yield strength
• Very good corrosion resistance
• Good weldability
• Excellent fatigue resistance
• Long service life
• Stable mechanical properties up to approximately 700°C
• Ideal for critical bolting applications

Typical Applications

A286 is commonly used for manufacturing:

• High-temperature bolts
• Stud bolts
• Nuts
• Gas turbine components
• Steam turbine components
• Shafts
• Compressor parts
• Aerospace engine components
• Nuclear power equipment
• Heat exchangers
• Pressure vessel fasteners
• Precision CNC machined parts

Industries Served

Our customers use A286 in:

• Power Generation
• Gas Turbines
• Steam Turbines
• Nuclear Power
• Aerospace
• Oil & Gas
• Petrochemical
• Chemical Processing
• Heavy Engineering

Available Product Forms

We supply:

• Round Bars
• Peeled Bars
• Bright Bars
• Hot Rolled Bars
• Cut-to-Length Pieces

Available diameters and lengths upon request.

Inspection & Certification

Material can be supplied with:

• EN 10269
• EN 10302
• EN 10204 3.1 Inspection Certificate
• AD 2000
• NACE MR0175
• NACE MR0103
• PMI (Positive Material Identification)
• Ultrasonic Testing (UT)
• Customer-specific inspection requirements

International Designations

This material is also known as:

• A286
• Alloy A286
• Alloy 660
• UNS S66286
• 1.4980
• X6NiCrTiMoVB25-15-2
• ASTM A453 Grade 660
• ASTM A638
• AMS 5731
• AMS 5732
• AMS 5737

Frequently Asked Questions

What is A286?

A286 (1.4980 / UNS S66286) is a precipitation-hardenable austenitic stainless steel designed for high-temperature applications requiring excellent mechanical strength, oxidation resistance and creep resistance.

What is the maximum operating temperature of A286?

A286 maintains excellent mechanical properties at temperatures up to approximately 700°C and offers oxidation resistance at even higher temperatures, depending on the application and service conditions.

Is A286 suitable for high-temperature fasteners?

Yes. A286 is one of the most widely used materials for high-temperature bolts, studs, nuts and other critical fasteners used in gas turbines, steam turbines and power generation equipment.

Do you stock A286 round bars?

Yes. WTE PowerSteel supplies A286 (1.4980 / UNS S66286) round bars from European stock. Please contact our sales team for current stock availability, dimensions and delivery times.

Can you supply cut-to-length material?

Yes. We supply both full-length bars and precision cut-to-length pieces according to customer requirements, helping to reduce machining time, waste and production costs.

Why Choose WTE PowerSteel?

WTE PowerSteel is a European supplier and stockholder of high-performance stainless steels and nickel alloys for power generation, aerospace, nuclear, petrochemical and heavy engineering industries. We supply A286 (1.4980 / UNS S66286) round bars with full material traceability, EN 10204 3.1 certification, fast quotations, cut-to-length service and worldwide delivery.

Spec: ASTM A453 Grade 660 (Class A–D), EN 10269:2013 (1.4980), ASME II Part A SA-453, AMS 5731 / 5732 / 5737