Inconel 718/GH4169/UNS N07718/2.4668/NiCr19Fe19Nb5Mo3 Alloy Bar Chemical Processing In High-Stress Environments

Inconel 718 (GH4169/UNS N07718/2.4668/NiCr19Fe19Nb5Mo3) is a high-strength, corrosion-resistant nickel-based superalloy. It offers excellent mechanical properties at temperatures ranging from -253°C to 700°C, making it ideal for aerospace, marine, and high-temperature applications. The alloy exhibits outstanding oxidation and creep resistance, with superior weldability compared to other nickel alloys. Its composition includes nickel, chromium, iron, niobium, molybdenum, and titanium, contributing to its high tensile strength, fatigue resistance, and thermal stability. Common uses include turbine engines, nuclear reactors, and oil and gas equipment. Inconel 718 maintains structural integrity in extreme environments, making it a preferred material for critical applications requiring reliability and durability. It is available in various forms, including bars, sheets, and forgings.

Trade Code

Inconel 718 (GH4169, UNS N07718, 2.4668, NiCr19Fe19Nb5Mo3) is a high-strength, corrosion-resistant nickel-based superalloy known for its excellent mechanical properties and performance in extreme environments.

Key Features:

1. High-Temperature Strength

• Maintains excellent tensile, fatigue, and creep resistance up to 700°C (1290°F).
• Precipitation-hardened for enhanced mechanical properties.

2. Corrosion & Oxidation Resistance

• Superior resistance to oxidation and corrosion, especially in harsh environments like jet engines, gas turbines, and chemical processing plants.
• Excellent resistance to pitting, crevice, and stress corrosion cracking.

3. Outstanding Weldability & Fabricability

• Unlike many nickel alloys, Inconel 718 can be welded easily without post-weld cracking.
• Can be hot- and cold-formed with proper heat treatments.

4. High Toughness & Ductility

• High fracture toughness, making it suitable for cryogenic applications.
• Good machinability for a nickel alloy, though requires specialized tooling.

Inconel 718 (GH4169/UNS N07718/2.4668/NiCr19Fe19Nb5Mo3) is a high-strength, corrosion-resistant nickel-based superalloy widely used in extreme environments. It offers excellent mechanical properties, oxidation resistance, and creep resistance at high temperatures (up to 700°C).

Applications:

1. Aerospace & Aviation

• Jet Engines & Turbines: Used in compressor discs, blades, seals, casings, and fasteners due to its high strength and oxidation resistance.
• Rocket Components: Employed in cryogenic tanks, propulsion systems, and structural parts for spacecraft.
• Gas Turbines: Found in hot section components like combustion liners and turbine rings.

2. Power Generation

• Gas Turbines for Power Plants: Used in turbine blades, combustion chambers, and heat exchangers.
• Nuclear Reactors: Applied in core components and steam generator tubes due to its radiation resistance and high-temperature strength.

3. Oil & Gas Industry

• Downhole Equipment: Used in wellhead components, fasteners, and valve stems exposed to extreme pressures and corrosive environments.
• Turbomachinery & Heat Exchangers: Withstands high-temperature, high-pressure, and corrosive conditions in petrochemical processing.

4. Marine & Chemical Processing

• Heat Exchangers & Boilers: Corrosion-resistant in harsh environments, including saltwater and acidic solutions.
• Cryogenic Applications: Used in LNG (Liquefied Natural Gas) storage and transport due to excellent toughness at low temperatures.

5. Automotive & Motorsport

• Turbocharger Rotors & Exhaust Systems: Withstands extreme heat and maintains mechanical integrity in high-performance engines.

6. Medical Applications

• Surgical Instruments & Implants: Biocompatible and resistant to body fluids, making it suitable for orthopedic and dental implants.

7. Tooling & Molds

• Hot Work Tooling: Used in extrusion dies, forging dies, and other high-temperature tooling applications.