Nickel Alloy 617

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Nickel Alloy 617 | High-Temperature Nickel-Chromium-Cobalt-Molybdenum Alloy for Power & Industrial Applications

Nickel Alloy 617, also known as Ni-Cr-Co-Mo Alloy 617, is a premium high-temperature alloy engineered for extreme industrial environments. With outstanding resistance to oxidation, carburization, and creep deformation, Alloy 617 maintains mechanical strength and structural integrity at temperatures up to 1100°F (593°C). Its unique chemical composition and thermal stability make it an ideal material for power generation turbines, aerospace components, heat exchangers, and chemical processing equipment. Compared with other nickel alloys such as Inconel 625 and Incoloy 800H, Alloy 617 delivers superior creep-rupture strength and thermal oxidation resistance, ensuring long-term performance under harsh operating conditions.

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The high nickel and chromium contents make the alloy resistant to a variety of both reducing and oxidizing media. The aluminum, in conjunction with the chromium, provides oxidation resistance at high temperatures. Solid-solution strengthening is imparted by the cobalt and molybdenum.

The combination of high strength and oxidation resistance at temperatures over 1800°F (980°C) makes INCONEL alloy 617 an attractive material for such components as ducting, combustion cans, and transition liners in both aircraft and land-based gas turbines. Because of its resistance to high-temperature corrosion, the alloy is used for catalyst-grid supports in the production of nitric acid, for heat-treating baskets, and for reduction boats in the refining of molybdenum. INCONEL alloy 617 also offers attractive properties for components of power-generating plants, both fossil-fueled and nuclear.

Property values are given in both United States customary units and the International System of Units (SI). The SI unit of stress is the pascal (Pa), which is equivalent to newton per square meter. The approximate relationship between the pascal and the pound per square inch (psi) is 1 Pa = 0.0001450 psi, or 1 psi = 6895 Pa.

The composition of INCONEL alloy 617 includes substantial amounts of nickel, chromium, and aluminum for a high degree of resistance to oxidation and carburization at high temperatures. Those elements, along with the molybdenum content, also enables the alloy to withstand many wet corrosive environments.

INCONEL alloy 617 is designated as UNS N06617 and Werkstoff Nr. 2.4663a. Allowable design stresses for ASME Boiler and Pressure Vessel Code construction are defined in ASME Code Cases 1956 and 1982.

Rod, Bar, Wire, and Forging Stock - ASTM B 166/ASME SB 166 (Rod, Bar and Wire), ASTM B 564/ASME SB 564 (Forgings), SAE AMS 5887 (Bars, Forgings and Rings), VdTÜV 485 (Sheet, Plate, Bar and Tubing), ISO 9724 (Wire), DIN 17752 (Rod and Bar), DIN 17753 (Wire), DIN 17754 (Forgings)

Plate, Sheet, and Strip - ASTM B 168/ASME SB 168 (Plate, Sheet and Strip), SAE AMS 5888 (Plate), SAE AMS 5889 (Sheet and Strip), VdTÜV 485 (Sheet, Plate, Bar and Tubing), ISO 6208 (Plate, Sheet and Strip), DIN 17750 (Plate, Sheet and Strip)_

Pipe and Tube - VdTÜV 485 (Sheet, Plate, Bar, and Tubing), ISO 6207 (Tubing), ASTM B 546/ASME SB 546 (Pipe), DIN 17751 (Pipe and Tube)

Composition - DIN 17744

Welding Products - INCONEL Filler Metal 617 - AWS A5.14/ERNiCrCoMo-1; INCONEL Welding Electrode 117 - AWS A5.11 / ENiCrCoMo-1

Exceptional High-Temperature Strength – Maintains structural integrity up to 1100°F.

Superior Oxidation & Corrosion Resistance – Performs reliably in oxidizing and carburizing environments.

Outstanding Creep-Rupture Strength – Ideal for long-term high-temperature applications.

Versatile Fabrication – Can be formed, welded, and machined for custom components.

Wide Industrial Applications – Suitable for turbines, heat exchangers, chemical reactors, and aerospace components.

Gas and steam turbines in power plants

Aerospace components exposed to high temperature

Heat exchangers and chemical processing equipment

Petrochemical and refining equipment

Boilers, piping, and pressure vessels

Phone / WeChat / WhatsApp: +8615769214734
Email: office@dongmjd.com
Xi'an Dongmeng Group Co., Ltd. – Global Supplier of High-Temperature Nickel Alloys

Q1: What is Nickel Alloy 617?
A: Nickel Alloy 617 is a high-performance nickel-chromium-cobalt-molybdenum (Ni-Cr-Co-Mo) alloy designed for high-temperature applications. It offers excellent oxidation resistance, thermal stability, and creep strength, making it suitable for power plants, aerospace, and chemical processing equipment.

Q2: What temperature range can Alloy 617 withstand?
A: Alloy 617 can operate reliably up to 1100°F (593°C) in air and other oxidizing environments, making it ideal for extreme high-temperature applications.

Q3: How does Alloy 617 compare with Inconel 625 and Incoloy 800H?
A: Compared with Inconel 625, Alloy 617 provides superior creep-rupture strength and higher thermal stability. Compared with Incoloy 800H, Alloy 617 offers better high-temperature oxidation resistance and corrosion resistance in harsh chemical environments.

Q4: Is Alloy 617 weldable and machinable?
A: Yes. Alloy 617 can be welded using standard welding techniques such as TIG, MIG, or electron beam welding. Machining is possible, but specialized tooling is recommended due to the alloy's high strength and toughness. Post-weld heat treatment is often suggested to restore mechanical properties.

Q5: What forms does Alloy 617 come in?
A: Alloy 617 is available in a variety of forms including sheet, plate, tube, pipe, bar, rod, and wire. Custom fabrication can be arranged based on project requirements.

Q6: What industries commonly use Alloy 617?
A: Major applications include:

Power generation (gas and steam turbines)

Aerospace (high-temperature components)

Heat exchangers and chemical processing

Petrochemical and refining equipment

Boilers, piping, and pressure vessels

Q7: How can I request a quote for Alloy 617?
A: You can contact us via Phone/WeChat/WhatsApp: +8615769214734 or Email: office@dongmjd.com. Xi'an Dongmeng Group Co., Ltd. provides global supply and custom fabrication services.

Q8: Why choose Alloy 617 over other nickel alloys?
A: Alloy 617 combines excellent high-temperature strength, oxidation and corrosion resistance, and creep resistance. This makes it highly reliable for long-term operations in extreme environments where other alloys may fail.

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