Sep 05, 2025 Leave a message

Learn about Nickel Alloy 718 Bright Rod

 
Nickel Alloy 718 Bright Rod
Learn about Nickel Alloy 718 Bright Rod
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Learn about Nickel Alloy 718 Bright Rod

Nickel Alloy 718 (INCONEL 718) bright bar is a high-strength, precipitation-hardenable nickel-chromium alloy enriched with iron, niobium, and molybdenum. It is known for its excellent tensile strength, creep resistance, and corrosion resistance from cryogenic to elevated temperatures (up to 704°C or 1300°F). Originally developed for the aerospace industry and widely used in the oil and gas industry, the alloy offers good ductility, oxidation resistance, and weldability. It is typically supplied in the solution annealed and hardened (aged) condition for maximum strength, but other tempers are also available.

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What are the properties of 718 nickel alloy?

718 alloy is a precipitation-hardenable nickel-based alloy with extremely high yield strength, tensile strength, and creep-rupture properties at temperatures up to 700°C. 718 alloy exhibits a slow age-hardening reaction, meaning it does not spontaneously harden during heating and cooling, making it suitable for annealing and welding.

718 Nickel Alloy
 
 
Inconel 718 Round Bars Specification :

Size : 5 mm To 500 mm Dia in 100 mm TO 7180 mm Length available.

Specifications : ASTM / ASME SB 166, ASTM / ASME B 446 , ASTM / ASME B 637, ASTM B 511, ASTM B 408.

Standard : EN, DIN, JIS, ASTM, BS, ASME, AISI

Length : 100 mm To 3000 mm Long & Above

Form : Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc.

Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish

Condition : Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished

 

Inconel 718 Round Bars Chemical Composition

Grade C Mn Si P S Ni Cr B Mo Co Al Ti Nb Cu
Inconel 718 0.08 max 0.35 max 0.35 max 0.015 max 0.015 max 50 – 55 17 – 21 0.006 max 2.8 – 3.3 1.0 max 0.2 – 0.8 0.65 – 1.15 4.75 – 5.5 0.3 max

 

Inconel 718 Bright Bar Applications
Aerospace: Aircraft engine components, airframe structures, and high-temperature fasteners.
Oil and Gas: Downhole tools, underground safety valves, wellhead components, fasteners, and precision tubing.
Other: Gas turbines and other high-strength, high-temperature applications.

 

"Bright Bar" Terminology
Bright Surface: "Bright" refers to the smooth, bright, polished surface finish of the bar.
Manufacturing Process: This surface is achieved during or after bar production through specialized finishing processes, typically including grinding or polishing.
Aged Condition: "Bright bar" is typically supplied in the aged (precipitation hardened) condition, maintaining the high strength and hardness of the material at the time of shipment.

Gnee Steel

 

About Gnee Steel

Gnee Steel specializes in the production and sale of various nickel-based alloys, including Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel Alloy 600, Inconel 625, Inconel 718, Inconel X-750, Incoloy Alloy 800, Incoloy 800H/HT, Incoloy 825, Monel Alloy 400, Monel K500, and high-temperature alloys. Gnee Steel's products are widely used in aerospace, chemical, electric power, automotive, and nuclear energy applications, and we can provide customized alloy solutions tailored to customer needs. For alloy pricing inquiries or customized alloy solutions, please contact us for a quote at ss@gneemetal.com.

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