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Product Overview
Introduction To Inconel 617 / Alloy 617 / UNS N06617
MOKSH TUBES & FITTINGS LLP is a trusted manufacturer, supplier, exporter, importer, and stockist of a comprehensive range of INCONEL 617 (UNS N06617) products including Pipes & Tubes, Pipe Fittings, Flanges, Fasteners, Sheets & Plates, Coils, Wires, Round Bars, Flat Bars, Angles, Channels, Welding Rods, Wire Mesh, and other custom and hard-to-find Alloy 617 components.
INCONEL 617 is a nickel chromium cobalt molybdenum alloy engineered for excellent high temperature strength and outstanding resistance to oxidation and carburization. It offers superior metallurgical stability and resistance to a wide range of corrosive environments, making it ideal for service in extreme conditions such as combustion and flue gas environments. The alloy retains its mechanical properties at elevated temperatures, providing long-term service life in heat-exposed applications. It also offers excellent weldability and workability across varied manufacturing conditions.
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Chemical Composition
| Element | Composition (%) |
|---|---|
| Nickel | 44.5 min |
| Chromium | 20.0 – 24.0 |
| Cobalt | 10.0 – 15.0 |
| Molybdenum | 8.0 – 10.0 |
| Carbon | 0.05 – 0.15 |
| Iron | 3.0 max |
| Manganese | 1.0 max |
| Silicon | 1.0 max |
| Sulfur | 0.015 max |
| Titanium | 0.6 max |
| Copper | 0.5 max |
| Boron | 0.006 max |
Technical Composition
Physical Properties
| Property | Imperial | Metric |
|---|---|---|
| Density | 0.302 lb/in³ | 8.36 Mg/m³ |
| Melting Range | 2430–2510 °F | 1332–1380 °C |
| Specific Heat | 0.100 Btu/lb·°F | 419 J/kg·°C |
| Electrical Resistivity | 736 ohm·circ mil/ft | 1.22 µΩ·m |
Mechanical Properties
| Property | Plate (Hot Rolled) | Bar (Hot Rolled) | Tubing (Cold Drawn) | Sheet/Strip (Cold Rolled) |
|---|---|---|---|---|
| Yield Strength (ksi / MPa) | 46.7 / 322 | 46.1 / 318 | 55.6 / 383 | 50.9 / 351 |
| Tensile Strength (ksi / MPa) | 106.5 / 734 | 111.5 / 769 | 110.0 / 758 | 109.5 / 755 |
| Elongation (%) | 62% | 56% | 56% | 58% |
| Reduction of Area (%) | 56% | 50% | - | - |
| Hardness (BHN) | 172 | 181 | 193 | 173 |
Products in Inconel 617
INCONEL 617 identified as UNS N06617 and Werkstoff Nr. 2.4663a, is a high-performance nickel-chromium-cobalt-molybdenum alloy known for its exceptional strength and oxidation resistance at high temperatures. It is approved for pressure vessel construction under ASME Code Cases 1956 and 1982, making it an excellent choice for demanding industrial applications.
This alloy meets several recognized industry standards, including:
Uses and Advantages
Exceptional high-temperature strength and metallurgical stability
Superior resistance to oxidation, nitriding, and carburization
Good resistance to a broad spectrum of corrosive environments
Excellent weldability and formability for ease of fabricationGood weldability and machinability
Maintains structural integrity in temperatures up to 1100°C
Applications of Inconel 617
Inconel 617 is a high-performance nickel-chromium-cobalt-molybdenum alloy designed for superior strength and corrosion resistance in extreme temperature environments. Its exceptional ability to withstand oxidation, carburization, and thermal cycling makes it a trusted choice in industries where components are pushed to their limits.
Aerospace and Gas Turbines
Used in combustion liners, transition ducts, and other critical hot-section parts in jet engines and gas turbines. INCONEL 617 delivers high creep strength, oxidation resistance, and structural integrity at temperatures above 1000°C (1832°F).
Power Generation (Fossil & Nuclear)
Ideal for recuperators, heat exchangers, and steam generator tubing in advanced fossil fuel and nuclear power systems. The alloy retains strength and resists degradation in high-pressure, high-temperature conditions, including supercritical CO₂ and helium-cooled reactors.
Petrochemical and Refining Plants
Relied upon in reformers, flare tips, catalyst grids, and furnace internals where high heat and aggressive chemical exposure are present. Its resistance to oxidizing and reducing atmospheres helps prolong equipment life.
Industrial Furnace Equipment
Commonly used in radiant tubes, heat shields, retorts, trays, and other components exposed to constant heating and cooling. INCONEL 617 resists scaling and structural weakening during repeated thermal cycles.
Waste Incineration and Pollution Control
Applied in components such as liners, baffles, and exhaust ducts exposed to corrosive gases at elevated temperatures, helping improve safety and durability in emission-heavy environments.
Chemical Processing
Ideal for equipment that must handle aggressive chemical mixtures at elevated temperatures. Its metallurgical stability and corrosion resistance provide reliability for the long haul.
Heat Recovery Systems
Used in recuperators and high-efficiency heat exchangers, especially in systems where thermal performance, oxidation resistance, and material longevity are crucial.
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FAQ's
What is Inconel 617 and what makes it unique?
Inconel 617 is a high performance nickel chromium cobalt molybdenum alloy designed for exceptional strength, oxidation resistance, and carburization resistance at elevated temperatures. Its unique chemical composition provides excellent metallurgical stability, making it ideal for demanding industrial environments such as aerospace, power generation, and petrochemical processing. Unlike conventional alloys, Inconel 617 retains its mechanical properties even in extreme heat and corrosive conditions, ensuring long-term durability and reliability.
What are the main applications of Inconel 617?
Inconel 617 is widely used in industries where components must withstand high temperatures and aggressive environments. Common applications include jet engine hot-section parts, gas turbines, heat exchangers, recuperators, steam generator tubing, chemical processing equipment, reformers, and furnace internals. The alloy’s superior creep strength and resistance to oxidation, nitriding, and carburization make it especially suitable for aerospace, nuclear power plants, petrochemical facilities, waste incineration, and heat recovery systems.
What are the advantages of using Inconel 617 over other alloys?
The biggest advantage of Inconel 617 is its ability to maintain mechanical strength and structural integrity at temperatures up to 1100°C while resisting oxidation and carburization. It also offers excellent weldability, machinability, and formability, making fabrication easier across diverse industries. Compared to conventional alloys, Inconel 617 provides longer service life in severe environments, reduces maintenance costs, and ensures reliable performance in both oxidizing and reducing atmospheres.
How does the chemical composition of Inconel 617 enhance its properties?
The chemical composition of Inconel 617, which includes nickel, chromium, cobalt, and molybdenum, plays a vital role in its superior performance. Nickel provides overall strength and corrosion resistance, chromium improves oxidation resistance, cobalt enhances stability at high temperatures, and molybdenum contributes to creep resistance and toughness. The balance of these elements ensures outstanding resistance to thermal cycling, aggressive chemicals, and environmental degradation, making it one of the most versatile high temperature alloys available.
Why choose Moksh Tubes & Fittings LLP for Inconel 617 products?
Moksh Tubes & Fittings LLP is a trusted manufacturer, supplier, exporter, importer, and stockist of premium Inconel 617 products, offering a complete range including pipes, tubes, sheets, plates, flanges, fittings, fasteners, and custom fabricated components. With strong sourcing networks, advanced manufacturing capabilities, and strict quality control, the company ensures that every product meets international standards and industry specific requirements. Backed by global logistics support and technical expertise, Moksh Tubes & Fittings LLP provides reliable Inconel 617 solutions for critical industrial applications.
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