Our Inconel 617, 625, and 718 seamless tubes are high-performance nickel-chromium alloys engineered for high-temperature chemical reactors. Inconel 617 (~54% nickel, cobalt) offers top-notch oxidation and creep resistance, 625 (~61% nickel, molybdenum) excels in corrosion resistance, and 718 (~52% nickel, niobium) delivers unmatched strength. Perfect for reactor tubing, heat exchangers, and piping, these seamless tubes handle temperatures up to 1800°F (982°C) and resist corrosive chemicals. Their seamless design ensures strength, while easy weldability makes them a go-to choice for chemical processing engineers.
The chemical processing industry is on the rise, driven by demand for specialty chemicals, petrochemicals, and sustainable technologies. The global chemical reactor market is projected to grow through 2030, fueled by advancements in green processes and stricter environmental regulations. Inconel 617, 625, and 718 seamless tubes are critical for equipment that must withstand high temperatures and corrosive environments. With sustainability trends emphasizing durable materials that reduce maintenance and downtime, our tubes align perfectly with the industry’s focus on efficiency and eco-friendly solutions.
Comparison Table: Inconel 617, 625, 718 vs. Other Nickel-Based Alloy
Parameter | Inconel 617 | Inconel 625 | Inconel 718 | Hastelloy C-276 |
|---|---|---|---|---|
Nickel Content | ~54% | ~61% | ~52% | ~57% |
Chromium Content | ~22% | ~21-23% | ~19% | ~16% |
Key Additives | Cobalt, Molybdenum | Molybdenum, Niobium | Niobium, Titanium | Molybdenum |
Operating Temp Range | -200°F to 1800°F (-129°C to 982°C) | -423°F to 1800°F (-253°C to 982°C) | -423°F to 1300°F (-253°C to 704°C) | -200°F to 1900°F (-129°C to 1038°C) |
Oxidation Resistance | Excellent | Very good | Excellent | Good |
Corrosion Resistance | Very good in oxidizing environments | Excellent in seawater and acids | Very good in mixed environments | Superior in harsh acids |
Tensile Strength | ~110 ksi | ~120 ksi | ~185 ksi | ~100 ksi |
Key Applications | Chemical reactors, gas turbines | Offshore equipment, chemical reactors | Turbine components, chemical reactors | Chemical processing, pollution control |
Our Inconel seamless tubes shine in demanding applications:
Chemical Processing: Used in reactor tubing, heat exchangers, and piping, resisting corrosive acids and high heat.
Aerospace: Supports jet engine exhaust systems and heat shields, handling extreme temperatures.
Power Generation: Powers boiler tubes and superheater systems for reliable energy production.
Nuclear Industry: Enhances reactor heat exchangers, withstanding heat and radiation.
Petrochemical Industry: Used in refinery piping, resisting corrosion and thermal cycling.
Their strength and corrosion resistance make them ideal for high-temperature chemical reactors.
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 617, 625, and 718 seamless tubes set the standard for chemical reactor applications. We produce tubes that meet stringent ASTM B163, B444, B637, and AMS standards, ensuring top-tier quality for your reactor systems. Unlike others, we offer customized solutions—specific diameters, wall thicknesses, and lengths tailored to your project needs. Our global supply chain guarantees consistent availability, and our DFARS-compliant products are perfect for sensitive applications. Every batch is rigorously tested for tensile strength, oxidation resistance, and creep performance, so you get tubes that last. Our 24/7 support team is ready to tackle your project challenges, making us the partner you can trust.
Why Our Inconel 617, 625, 718 Seamless Tubes are the Best Choice
Our Inconel 617, 625, and 718 seamless tubes are built for high-temperature chemical reactors that demand durability and performance. Their superior oxidation resistance, strength, and corrosion resistance ensure your reactor systems thrive in harsh environments. With the chemical processing industry prioritizing sustainability and efficiency, our tubes deliver long-term value by reducing maintenance and downtime. Ready to boost your reactor performance? Contact us for a quote today and see how our Inconel seamless tubes can transform your operations.
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 are Inconel 617, 625, and 718 seamless tubes made of?
Inconel 617: ~54% nickel, ~22% chromium, ~9% cobalt, molybdenum. Inconel 625: ~61% nickel, ~21-23% chromium, ~9% molybdenum, niobium. Inconel 718: ~52% nickel, ~19% chromium, niobium, titanium.Why are these Inconel seamless tubes ideal for chemical reactors?
They offer excellent oxidation resistance, high strength, and corrosion resistance, ensuring durability in high-temperature, corrosive reactor environments.What temperatures can these Inconel seamless tubes handle?
Inconel 617: up to 1800°F (982°C). Inconel 625: -423°F to 1800°F (-253°C to 982°C). Inconel 718: -423°F to 1300°F (-253°C to 704°C).What industries use these Inconel seamless tubes?
Chemical processing, aerospace, power generation, nuclear, and petrochemical industries rely on them for high-temperature reactor components.How do these Inconel seamless tubes compare to each other?
Inconel 617 excels in oxidation and creep resistance, 625 in corrosion resistance, and 718 in high strength and fatigue resistance.Are these Inconel seamless tubes weldable?
Yes, all are weldable using standard techniques like TIG or MIG, making them versatile for reactor system fabrication.What are the mechanical properties of these Inconel seamless tubes?
Inconel 617: ~110 ksi tensile strength. Inconel 625: ~120 ksi. Inconel 718: ~185 ksi, all with excellent creep and fatigue resistance.How do these Inconel seamless tubes support sustainability?
Their durability in harsh environments reduces maintenance and replacements, lowering costs and environmental impact in chemical reactor operations.