Inconel 718 (Alloy 718, UNS N07718) Tube/Pipe Description:
Inconel 718 is a high-strength, corrosion-resistant nickel-chromium alloy renowned for its exceptional mechanical properties at elevated temperatures. With excellent weldability and formability, Inconel 718 is widely utilized in aerospace, automotive, and marine engineering applications. This alloy exhibits remarkable resistance to oxidation, making it suitable for use in extreme environments. Its versatility, coupled with a high degree of reliability, positions Inconel 718 as a preferred choice for components subjected to challenging thermal and mechanical stresses.
Other trade names: Alloy 718, Nickel 718, W.NR 2.4668, UNS N07718, AWS 013, Haynes® 718, Nicrofer® 5219, Allvac® 718, Altemp® 718

Inconel 718 (Alloy 718, UNS N07718) Tube/Pipe Specifications:
Metal Type: UNS N07718
Standard: AMS 5589, AMS 5590
Chemical Composition, %
|
Ni |
Fe |
Mo |
Mn |
Si |
Cr |
C |
Max |
55.0 |
Bal |
3.30 |
0.35 |
0.35 |
21.0 |
0.08 |
Min |
50.0 |
|
2.80 |
|
|
17.0 |
|
Inconel 718 (Alloy 718, UNS N07718) Tube/Pipe Applications:
Inconel 718 is widely used in fields of gas turbine components, cryogenic storage tanks, jet engines, pump bodies and parts, rocket motors and thrust reversers, nuclear fuel element spacers, and hot extrusion tooling.
- Aerospace Industry
- Aircraft Engine Components: Inconel 718 is commonly used in turbine blades, discs, and shafts due to its ability to withstand high temperatures and mechanical stresses.
- Structural Parts: Its strength-to-weight ratio makes it suitable for critical structural components in aircraft and spacecraft.
- Oil and Gas Industry
- Downhole Tools: Inconel 718 is utilized in drill pipes, casing, and tubing that operate in high-pressure and corrosive environments.
- Pipelines and Valves: Its corrosion resistance ensures longevity and reliability in pipelines transporting harsh fluids and gases.
- Offshore Platforms: Components exposed to seawater and extreme conditions benefit from its robust properties.
- Chemical Processing
- Heat Exchangers: Its ability to withstand high temperatures and corrosive substances ensures efficient and long-lasting heat exchange processes.
- Storage Tanks: Used in storage solutions for corrosive chemicals and high-temperature materials.
- Power Generation
- Gas Turbines: Inconel 718 components in gas turbines maintain performance and structural integrity under high-temperature and high-stress conditions.
- Automotive Industry
- High-Performance Engines: Used in turbocharger rotors and other engine parts that must endure high temperatures and mechanical wear.
- Exhaust Systems: Its resistance to oxidation makes it suitable for exhaust components subjected to high thermal conditions.
Packing:
Our Inconel 718 materials are carefully handled during storage and transportation to preserve the quality of our product in its original condition.
FAQs
Q1. What is Inconel 718 Tube/Pipe?
Inconel 718 Tube/Pipe is a high-strength, corrosion-resistant, nickel-based alloy used in various industries for applications requiring excellent mechanical properties and high-temperature performance. It is made from the same superalloy, Inconel 718, and is widely used in industries like aerospace, nuclear, and chemical processing.
Q2. What are the main applications of Inconel 718 Tube/Pipe?
Inconel 718 Tube/Pipe is used in critical applications, including:
- Aerospace: For turbine engines, exhaust systems, and other high-stress, high-temperature components.
- Nuclear: In nuclear reactors and other high-temperature, radiation-resistant environments.
- Chemical Processing: For equipment used in highly corrosive environments, such as heat exchangers, piping systems, and reactors.
Q3. What are the properties of Inconel 718 Tube/Pipe?
- High-Temperature Strength: Can withstand extreme temperatures (up to 700°C / 1,300°F), making it ideal for high-temperature environments.
- Corrosion Resistance: Excellent resistance to oxidation, pitting, and corrosion, especially in acidic or high-temperature conditions.
- Fatigue Resistance: High resistance to fatigue and thermal-fatigue, crucial for parts that undergo cyclic loading and temperature changes.