Gnee Alloy provides Inconel 718 round bar, square bar, hexagonal bar, etc., of different specifications, sizes and types to customers around the world according to their needs. Our products comply with ASTM B637, ASTM B705, AMS 5662 standards.
Inconel 718 Bar Supplier
We offer a wide range of Inconel 718 bar types, including round bars, forged bars, and machined bars, in a variety of sizes and grades, including ASTM B637, AMS 5662, and other standards, to meet your specific project needs. Our manufacturing processes include hot rolling, cold working, and heat treatment to ensure that each bar meets the highest performance and durability standards.
As a leading Inconel 718 bar supplier, Gnee provides high-quality nickel alloy bars, known for their superior strength, high temperature resistance, and durability. In addition to providing premium products, we also provides custom cutting, precision machining, and technical consulting services to help you choose the right material. Welcome to contact us!
| About Gnee Alloy | Founded in 2008, Factory Area 35,000m², expert nickel alloy manufacturer & supplier & exporter with rich experience. |
|---|
we have various inconel 718 bar forms in large stock
Gnee is a leading manufacturer and global supplier of high-performance materials, specializing in a wide range of Nickel Alloy products, including Inconel 718 Bars. With over a decade of industry experience, we have established a strong presence in key international markets, including Europe, North America, the Middle East, and Southeast Asia.
Alloy 718 Hot Rolled Bar 
718 Cold Drawn Bar 
Alloy 718 Polished Bar 
Alloy 718 Hollow Bar 
Inconel 718 Flat Bar 
718 Hexagonal Bar 
Inconel 718 Rod 
Inconel 718 Forged Bar
Description
Inconel 718 Bar is a high-strength, corrosion-resistant nickel-chromium alloy designed for use in extreme environments. Composed primarily of nickel (50-55%) and chromium (17-21%), Inconel 718 offers exceptional mechanical properties at elevated temperatures and high resistance to oxidation and corrosion.
It maintains its strength up to 700°C (1292°F), making it ideal for aerospace, power generation, and chemical processing industries. The alloy also exhibits excellent weldability and is often used in the production of turbine blades, gas turbines, and structural components in jet engines. Other names for Inconel 718 Bar include UNS N07718, and it is widely recognized for its ability to withstand harsh conditions without compromising performance.
Inconel 718 Bar Product Parameters
| Property | Value |
| Material | Inconel 718 (UNS N07718) |
| Standard | ASTM B637, AMS 5662 |
| Density | 8.19 g/cm³ |
| Tensile Strength | 130-170 ksi (900-1170 MPa) |
| Yield Strength | 80-130 ksi (550-900 MPa) |
| Elongation | 15-20% (depends on heat treatment) |
| Hardness | 30-40 HRC |
| Melting Point | 1260°C – 1336°C |
| Chemical Composition | Ni: 50-55%, Cr: 17-21%, Fe: 5%, Mo: 3%, Nb+Ta: 4.75-5.5% |
| Form | Round Bar, Square Bar, Hex Bar |
| Surface Finish | Hot Rolled, Cold Drawn, Polished |
| Manufacturing Process | Hot Forged, Cold Drawn, Annealed |
| Applications | Aerospace, Gas Turbines, Rocket Motors, Nuclear Reactors |
What ASTM standards of Inconel 718 Rod can Gnee produce?
| Standard | Description |
| ASTM B637 | For precipitation-hardening nickel-chromium alloys |
| AMS 5662 | For Inconel 718 bars and forgings for high-temperature |
| ASTM B705 | For nickel-chromium alloy forgings |
Inconel 718 Bar material Equivalent grades
| Standard | UNS | EN | DIN |
| Inconel 718 | N07718 | 2.4668 | NiCr19FeNb |
Parameter Information
Chemical Parameters
| Element | Composition (%) |
| Nickel (Ni) | 50-55 |
| Chromium (Cr) | 17-21 |
| Iron (Fe) | Balance |
| Molybdenum (Mo) | 2.8-3.3 |
| Niobium (Nb) | 4.75-5.5 |
| Titanium (Ti) | 0.65-1.15 |
| Aluminum (Al) | 0.2-0.8 |
| Cobalt (Co) | 1.0 max |
| Manganese (Mn) | 0.35 max |
| Silicon (Si) | 0.35 max |
| Carbon (C) | 0.08 max |
| Phosphorus (P) | 0.015 max |
| Sulfur (S) | 0.015 max |
Mechanical Properties
| Property | Value |
| Tensile Strength | 1,270 MPa (185 ksi) |
| Yield Strength | 1,034 MPa (150 ksi) |
| Elongation | 15% (in 50 mm length) |
| Hardness (Rockwell C) | 35-40 |
| Modulus of Elasticity | 207 GPa |
| Shear Modulus | 78 GPa |
Physical Property
| Property | Value |
| Density | 8.19 g/cm³ |
| Melting Point | 1,300-1,400°C (2,372-2,552°F) |
| Thermal Expansion (20-100°C) | 13.3 µm/m°C |
| Electrical Resistivity | 1.20 µΩ·cm |
| Specific Heat | 0.43 J/g·°C |
Features And Applications
Features and Advantages Of Inconel 718 Bars
- Exceptional High-Temperature Strength: Maintains mechanical properties at temperatures up to 1300°F (704°C), ideal for high-temperature applications like aerospace and gas turbines.
- Outstanding Corrosion Resistance: Excellent resistance to oxidation, carburization, and other forms of corrosion, especially in extreme environments.
- Superior Fatigue and Thermal-Cyclic Stability: Withstands repetitive stress and high thermal cycling, making it suitable for use in critical aerospace and industrial components.
- Easily Fabricated: Exhibits good weldability and machinability despite its high strength.
- Versatile Performance: Suitable for a wide range of applications from aerospace to chemical processing, ensuring reliability in challenging conditions.
What are the main applications of Inconel 718 bars?
- Aerospace: Turbine blades, compressor blades, and other high-stress components.
- Gas Turbines: Engine components exposed to high temperatures and pressures.
- Nuclear Power: Reactor cores, fuel assemblies, and control rods.
- Chemical Processing: High-temperature and corrosive environments.
- Marine: Parts subjected to high stress and corrosion resistance.
Why Choose Inconel 718 Bar from Gnee？
Gnee has been deeply involved in the field of high-temperature alloys for more than 15 years. Thanks to the vertically integrated supply chain, we have achieved independent production of the entire process of vacuum melting – hot forging – solution treatment, reducing the cost of intermediate links, supporting customized specifications while providing complete material certification and customized delivery services. Our Inconel 718 bar products has more competitive prices.
What other alloy Bar grades do we supply?
Gnee specializes in the research and development, production and global distribution of Inconel 600 bars and other high-performance nickel alloy solutions. We also provide Incoloy bars, Hastelly bars, Monel bars and pure Nickel bars, etc.
English 
Spanish 
Arabic 
Indonesian 
Turkish 
Russian 
Portuguese 
French 
Persian