Inconel 617: Complete Properties & Application Guide

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Overview

Inconel 617 (UNS N06617 / W.Nr. 2.4663a) is a solid-solution strengthened nickel-chromium-cobalt-molybdenum alloy with exceptional oxidation resistance and high-temperature strength up to 1200°C. The combination of chromium, aluminum, and cobalt provides superior resistance to oxidation, carburization, and sulfidation.

Chemical Composition

The chemical composition of Inconel 617 is carefully controlled to achieve its unique combination of properties and performance characteristics.

Element	Min %	Max %
Nickel (Ni)	44.5	Balance
Chromium (Cr)	20.0	24.0
Cobalt (Co)	10.0	15.0
Molybdenum (Mo)	8.0	10.0
Aluminum (Al)	0.80	1.50
Iron (Fe)	—	3.0
Carbon (C)	0.05	0.15
Titanium (Ti)	—	0.6

Mechanical Properties at Room Temperature

The mechanical properties of Inconel 617 vary depending on product form and heat treatment condition. The data below represents typical values for solution-annealed material.

Property	Value
Tensile Strength	740 MPa
Yield Strength (0.2% offset)	310 MPa
Elongation in 2 inches	48%
Density	8.36 g/cm3
Melting Point	1363 °C
Max Service Temperature	1200 °C

Corrosion Resistance

Outstanding oxidation resistance up to 1200°C due to the formation of a protective chromium-aluminum oxide scale. Excellent resistance to carburization in high-temperature environments. Good resistance to molten salt corrosion.

Applications

The unique combination of properties makes Inconel 617 suitable for a wide range of demanding applications:

• Gas Turbines: Combustion chambers, transition liners, and ducting in land-based gas turbines.
• Nuclear Reactors: Heat exchangers and structural components in high-temperature gas-cooled reactors.
• Chemical Processing: Furnace muffles, retorts, and high-temperature reaction vessels.
• Heat Treatment: Baskets, fixtures, and furnace components for extreme temperature service.
• Power Generation: Superheater and reheater tubing in advanced power plants.

Available Product Forms

Hangbo Alloy Group manufactures and supplies Inconel 617 in the following product forms, conforming to ASTM, AMS, and ASME specifications:

• Round Bars: Diameters from 6 mm to 300 mm, hot-finished or cold-drawn, solution annealed.
• Seamless Tubes & Pipes: Sizes from 6 mm OD to 219 mm OD, various wall thicknesses.
• Plates & Sheets: Thicknesses from 0.5 mm to 50 mm, hot-rolled or cold-rolled.
• Forgings: Custom flanges, rings, discs, and complex shapes per customer drawing.
• Welding Wire: Diameters 0.8 mm to 5.0 mm, precision-wound coils and spools.

Related Standards

Standard	Description
ASTM B168	Plate, Sheet, and Strip
ASTM B167	Seamless Pipe and Tube
ASTM B166	Bar and Rod
ASTM B564	Forgings
ASTM B546	Electric Fusion Welded Pipe
AMS 5887	Bar and Forging

Contact Us for Inconel 617

Hangbo Alloy Group maintains extensive inventory of Inconel 617 in all standard product forms. We can provide mill test certificates, third-party inspection reports (SGS, TUV), and custom processing services.

For quotations, material certifications, or technical consultation, contact our sales team or call +86-136-1165-6360. We typically respond within 10 minutes.