Our Inconel 718 round bar is a high-performance nickel-chromium alloy built for the intense demands of gas turbine applications. With ~52% nickel, ~19% chromium, and additions like niobium and molybdenum, it’s engineered for exceptional strength, creep resistance, and durability. Perfect for turbine blades, discs, and shafts, this round bar handles high stress and temperatures up to 1300°F (704°C) with ease. Its ability to resist fatigue and corrosion ensures reliable performance in the toughest turbine environments. Easy to machine and weld, our Inconel 718 round bar is a top choice for gas turbine engineers.
The gas turbine industry is thriving, driven by growing demand for efficient power generation, aerospace propulsion, and industrial applications. The global gas turbine market is projected to grow steadily through 2030, fueled by advancements in fuel-efficient designs and renewable energy integration. Materials like Inconel 718 are critical for components that must withstand high stress, heat, and corrosion in turbine systems. With sustainability trends pushing for longer-lasting materials that reduce maintenance and downtime, our round bar aligns perfectly with the industry’s focus on performance and eco-friendly solutions.
Comparison Table: Inconel 718 vs. Other Nickel-Based Alloys
Parameter | Inconel 718 | Inconel 600 | Incoloy 825 | Hastelloy C-276 |
|---|---|---|---|---|
Nickel Content | ~52% | ~72% | ~42% | ~57% |
Chromium Content | ~19% | ~14-17% | ~22% | ~16% |
Niobium Content | ~5% | None | None | None |
Operating Temp Range | -423°F to 1300°F (-253°C to 704°C) | -200°F to 2000°F (-129°C to 1093°C) | -150°F to 1000°F (-101°C to 538°C) | -200°F to 1900°F (-129°C to 1038°C) |
Corrosion Resistance | Very good in mixed environments | Good in reducing environments | Excellent in seawater and acids | Superior in harsh acids |
Oxidation Resistance | Excellent | Excellent | Good | Good |
Tensile Strength | ~185 ksi | ~93 ksi | ~100 ksi | ~100 ksi |
Key Applications | Gas turbines, aerospace, nuclear | Heat treatment furnaces, chemical processing | Marine, chemical processing | Chemical processing, pollution control |
Our Inconel 718 round bar excels in high-stress applications:
Gas Turbines: Used in turbine blades, discs, and shafts, resisting creep and fatigue under extreme heat and stress.
Aerospace: Powers jet engine components like rotors and fasteners, handling high temperatures and corrosion.
Power Generation: Enhances turbine components for reliable, efficient energy production.
Nuclear Industry: Supports reactor components like control rods and fuel assemblies in high-stress environments.
Oil and Gas: Used in high-pressure, high-temperature components like downhole tools and valves.
Its high strength and durability make it ideal for critical gas turbine components.
Item | Inconel 600 | Inconel 601 | Inconel 617 | Inconel 625 | Inconel 690 | Inconel 718 | Inconel X750 | Inconel 825 |
C | ≤0.15 | ≤0.1 | 0.05-0.15 | ≤0.08 | ≤0.05 | ≤0.08 | ≤0.08 | ≤0.05 |
Mn | ≤1 | ≤1.5 | ≤0.5 | ≤0.35 | ≤0.5 | ≤0.35 | ≤1 | ≤1 |
Fe | 6-10 | rest | ≤3 | rest | 7-11 | rest | 5-9 | ≥22 |
P | ≤0.015 | ≤0.02 | ≤0.015 | -- | -- | -- | -- | -- |
S | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.01 | ≤0.01 | ≤0.03 |
Si | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.35 | ≤0.5 | ≤0.35 | ≤0.5 | ≤0.5 |
Cu | ≤0.5 | ≤1 | -- | ≤0.3 | ≤0.5 | ≤0.3 | ≤0.5 | 1.5-3 |
Ni | ≥72 | 58-63 | ≥44.5 | 50-55 | ≥58 | 50-55 | ≥70 | 38-46 |
Co | -- | -- | 10-15 | ≤10 | -- | ≤1 | ≤1 | -- |
Al | -- | 1-1.7 | 0.8-1.5 | ≤0.8 | -- | 0.2-0.8 | 0.4-1 | ≤0.2 |
Ti | -- | -- | ≤0.6 | ≤1.15 | -- | -- | 2.25-2.75 | 0.6-1.2 |
Cr | 14-17 | 21-25 | 20-24 | 17-21 | 27-31 | 17-21 | 14-17 | 19.5-23.5 |
Nb+Ta | -- | -- | -- | 4.75-5.5 | -- | 4.75-5.5 | 0.7-1.2 | -- |
Mo | -- | -- | 8-10 | 2.8-3.3 | -- | 2.8-3.3 | -- | 2.5-3.5 |
B | -- | -- | ≤0.006 | -- | -- | -- | -- | -- |
Shape | Size (mm) |
Wire | 0.02-7.50 |
Rod/Bar | 8.0-200 |
Strip | (0.5-2.5)*(5-180) |
Tube/Pipe | Customized |
Sheet/Plate | Customized |
For more details, pls directly contact us.
Our Inconel 718 round bar stands out for gas turbine applications. We produce bars that meet stringent AMS 5662 and ASTM B637 standards, ensuring top-tier quality for your turbine components. Unlike others, we offer customized solutions—specific diameters, lengths, and heat treatments tailored to your project needs. Our global supply chain guarantees consistent availability, and our DFARS-compliant products are perfect for aerospace and defense projects. Every batch is rigorously tested for tensile strength, creep resistance, and fatigue performance, so you get a product that performs reliably. Our 24/7 support team is ready to tackle your project challenges, making us the partner you can trust.
Why Our Inconel 718 Round Bar is the Best Choice
Our Inconel 718 round bar is built for high-strength gas turbine applications that demand reliability and performance. Its exceptional strength, creep resistance, and corrosion resistance ensure your turbine components thrive in the toughest conditions. With the gas turbine industry prioritizing efficiency and sustainability, our round bar delivers long-term value by reducing maintenance and boosting performance. Ready to power your turbine projects? Contact us for a quote today and see how our Inconel 718 round bar can elevate your designs.
About Us:
Our 12,000㎡ factory is equipped with complete capabilities for research, production, testing, and packaging. We strictly adhere to ISO 9001 standards in our production processes, with an annual output of 1,200 tons. This ensures that we meet both quantity and quality demands. Furthermore, all products undergo rigorous simulated environment testing including high temperature, high pressure, and corrosion tests before being dispatched, ensuring they meet customer specifications.For all our clients, we offer timely and multilingual after-sales support and technical consulting, helping you resolve any issues swiftly and efficiently.
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FAQs:
What is Inconel 718 round bar made of?
It’s a nickel-chromium alloy with ~52% nickel, ~19% chromium, plus niobium, molybdenum, and titanium for high strength and corrosion resistance.Why is Inconel 718 round bar ideal for gas turbine applications?
Its exceptional strength, creep resistance, and durability under high stress and temperatures make it perfect for turbine blades and discs.What temperatures can Inconel 718 round bar handle?
It performs reliably from -423°F (-253°C) to 1300°F (704°C), maintaining strength in extreme turbine environments.What industries use Inconel 718 round bar?
Aerospace, gas turbines, nuclear, oil and gas, and power generation industries rely on it for high-strength components.How does Inconel 718 round bar compare to other alloys?
It offers superior high-temperature strength and creep resistance, though it may have slightly less corrosion resistance in acidic environments.Is Inconel 718 round bar weldable?
Yes, it’s weldable using standard techniques like TIG, making it versatile for complex gas turbine assemblies.What are the mechanical properties of Inconel 718 round bar?
It has a tensile strength of ~185 ksi, excellent fatigue resistance, and high ductility, ideal for high-stress turbine applications.How does Inconel 718 round bar support sustainability?
Its durability reduces maintenance and replacement needs, lowering costs and environmental impact in gas turbine operations.