✓ Available from European Stock

• ASTM B637 / ASME SB-637
• EN 10204 3.1
• Round Bars
• Worldwide Delivery
• Cut-to-Length Service
• Fast Quotations within 24 Hours

Inconel® 718 Round Bar Supplier

Looking for Inconel® 718, Alloy 718, UNS N07718 or 2.4668 round bars?

WTE PowerSteel is a European supplier and stockholder of Inconel® 718 (UNS N07718 / 2.4668) round bars manufactured in accordance with ASTM B637 and ASME SB-637 specifications. We supply high-quality nickel alloy bars with full material traceability, EN 10204 3.1 certification and fast worldwide delivery.

Inconel® 718 is one of the world’s most widely used precipitation-hardened nickel-based superalloys. It combines exceptional mechanical strength with outstanding corrosion resistance, oxidation resistance and excellent fatigue and creep properties at elevated temperatures, making it ideal for demanding industrial applications.

The alloy is widely used for components operating under high mechanical loads and elevated temperatures in aerospace, power generation, nuclear, petrochemical and general engineering industries.

Why Choose Inconel® 718?

Key Benefits

• Exceptional tensile strength
• High yield strength
• Excellent creep resistance
• Outstanding fatigue resistance
• Excellent oxidation resistance
• Superior corrosion resistance
• Excellent weldability
• High strength up to approximately 700°C
• Suitable for cryogenic applications
• Long service life under demanding operating conditions

Typical Applications

Inconel® 718 is commonly used for manufacturing:

• Gas turbine components
• Steam turbine fasteners
• High-strength bolts
• Aircraft engine components
• Compressor parts
• Rocket engine components
• Nuclear power components
• Heat exchangers
• Pressure vessels
• Springs
• Petrochemical equipment
• Precision machined parts
• High-temperature fasteners

Industries Served

Our customers use Inconel® 718 in:

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

Available Product Forms

We supply:

• Round Bars
• Peeled Bars
• Bright Bars
• Forged Bars
• Cut-to-Length Pieces

Available diameters and lengths upon request.

Inspection & Certification

Material can be supplied with:

• ASTM B637
• ASME SB-637
• AMS 5662
• AMS 5663
• EN 10204 3.1 Inspection Certificate
• Positive Material Identification (PMI)
• Ultrasonic Testing (UT)
• Customer-specific inspection requirements

International Designations

This material is also known as:

• Inconel® 718
• Alloy 718
• UNS N07718
• EN 2.4668
• Nickel Alloy 718
• ASTM B637 Alloy 718
• ASME SB-637 Alloy 718

Frequently Asked Questions

What is Inconel® 718?

Inconel® 718 (UNS N07718 / 2.4668) is a precipitation-hardened nickel-based superalloy offering exceptional strength, corrosion resistance and oxidation resistance. It is widely used in aerospace, power generation and other demanding industrial applications.

What is the difference between ASTM B637 and ASME SB-637?

ASTM B637 is the material specification issued by ASTM International, while ASME SB-637 is the corresponding ASME Boiler and Pressure Vessel Code specification. Both define the requirements for precipitation-hardened nickel alloy bars, forgings and forging stock for moderate and high-temperature service.

What temperature can Inconel® 718 withstand?

Inconel® 718 maintains excellent mechanical properties and creep resistance at temperatures up to approximately 700°C, while also performing well in cryogenic applications.

Do you stock Inconel® 718 round bars?

Yes. WTE PowerSteel supplies Inconel® 718 (UNS N07718 / 2.4668) 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 and material waste.

Why Choose WTE PowerSteel?

WTE PowerSteel is a European supplier and stockholder of high-performance nickel alloys for aerospace, nuclear power, power generation, petrochemical and general engineering industries. We supply Inconel® 718 (UNS N07718 / 2.4668) round bars with full material traceability, EN 10204 3.1 certification, fast quotations, cut-to-length service and worldwide delivery.