Inconel 718 pipe

Inconel 718 pipe performance and advantages
Inconel 718 pipe excels due to its exceptional high-temperature strength, excellent corrosion and oxidation resistance, and superior fatigue and creep resistance, making it an ideal choice for demanding applications such as aerospace, oil and gas, and power generation. Key advantages include long-term stable performance under high stress and thermal cycling, good weldability, and versatility in temperatures ranging from cryogenic applications up to approximately 648°C (1200°F).
What are the advantages of Inconel 718?
Inconel 718 is a high-strength, corrosion-resistant nickel-based superalloy. It offers excellent mechanical properties, high-temperature strength, and resistance to oxidation and corrosion. Inconel 718 is widely used in various industries, including aerospace, oil and gas, automotive, and power generation.

Inconel UNS N07718 Pipe Specification
| Alloy 718 Pipe Specification | ASTM B 167 ASME SB 167 / ASTM B 829 ASME SB 829 / ASTM B 517 ASME SB 517 |
|---|---|
| Alloy 718 Seamless Pipe size | 4 to 219mm W. T.: 0.5 to 20mm |
| Inconel 718 Welded Pipe size | 5.0 mm – 1219.2 mm |
| Alloy 718 EFW Pipe size | 5.0 mm – 1219.2 mm |
| Inconel 718 Pipe Schedule | SCH5, SCH10, SCH40, STD, SCH80, SCH160 |
| Inconel 718 Pipe Form | Hollow, Square, Round, Rectangular , Straight Pipes, Hydraulic Etc. |
| Alloy 718 Pipe End | Plain End, Beveled End, Treaded. |
| Inconel 718 Pipe Length | Single Random, Double Random & Cut Length. |
Inconel 718 Pipes Chemical Composition
|
Inconel |
% |
Ni |
Cr |
Fe |
Mo |
Nb |
Co |
C |
Mn |
Si |
S |
Cu |
Al |
Ti |
|
718 |
Min. |
50 |
17 |
balance |
2.8 |
4.75 |
– | – | – | – | – | – |
0.2 |
0.7 |
|
Max. |
55 |
21 |
3.3 |
5.5 |
1 |
0.08 |
0.35 |
0.35 |
0.01 |
0.3 |
0.8 |
1.15 |
Inconel 718 Pipes Mechanical Properties
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.2 g/cm3 | 1350 °C (2460 °F) | Psi – 1,35,000 , MPa -930 | Psi – 70,000 , MPa – 482 | 45 % |
Uses of Inconel 718 Pipe
Aerospace Industry: Inconel 718 pipe is often used in aircraft engine components, such as turbine disks, due to its excellent high-temperature resistance and strength, ensuring reliable operation even under extreme conditions.
Oil and Gas Industry: These pipes are widely used in oil wells and natural gas processing plants, where corrosion resistance, strength, and reliability are crucial for efficient operation of equipment in harsh environments.
Chemical Processing: Inconel 718 pipe is used in the chemical industry to handle corrosive chemicals and high-temperature reactions, offering durability and long life in corrosive chemical environments.
Power Generation Industry: Inconel 718 pipe plays a vital role in power plants, such as in heat exchangers and steam generator tubing, where high-temperature resistance and mechanical properties are crucial for efficient energy production.
Medical Industry: Inconel 718 pipe is commonly used in medical devices due to its excellent biocompatibility, strength, and corrosion resistance, making it suitable for surgical implants and medical devices. Automotive Industry: Inconel 718 piping is used in high-performance automotive systems such as exhaust and turbochargers, where heat resistance and durability are critical to improving engine performance and efficiency.

Gnee Steel specializes in the production and sale of various nickel-based alloys, including Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel Alloy 600, Inconel 625, Inconel 718, Inconel X-750, Incoloy Alloy 800, Incoloy 800H/HT, Incoloy 825, Monel Alloy 400, Monel K500, and high-temperature alloys. Gnee Steel's products are widely used in aerospace, chemical, electric power, automotive, and nuclear energy applications. We also offer customized alloy solutions tailored to customer needs. For alloy pricing inquiries or customized alloy solutions, please contact us for a quote at ss@gneesteel.com.





