| Customization: | Available |
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| Application: | Aviation, Electronics, Industrial, Medical, Chemical |
| Standard: | JIS, GB, DIN, BS, ASTM, AISI |
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Hastelloy C276 is a nickel-molybdenum-chromium superalloy renowned for its exceptional corrosion resistance in a wide range of aggressive environments. Hastelloy C276 tubes are typically seamless or welded tubes made from this alloy and are utilized in various industrial applications where resistance to corrosion, high temperatures, and mechanical stress is crucial.
Here's a more detailed description of Hastelloy C276 tubes:
Chemical Composition: Hastelloy C276 primarily consists of nickel, with significant amounts of chromium, molybdenum, and smaller additions of tungsten and iron. The exact composition is typically within the range of approximately 55-59% nickel, 15-17% chromium, 14-16% molybdenum, 3-4% iron, and trace amounts of other elements such as tungsten and cobalt.
Corrosion Resistance: One of the most notable properties of Hastelloy C276 tubes is their exceptional corrosion resistance. They offer excellent resistance to a wide range of corrosive media, including oxidizing and reducing acids, chlorides, seawater, brine solutions, wet chlorine gas, sulfuric acid, hydrochloric acid, phosphoric acid, acetic acid, and various organic acids. This corrosion resistance makes them suitable for use in aggressive chemical processing environments.
High Temperature Stability: Hastelloy C276 tubes exhibit high temperature stability, maintaining their mechanical properties and corrosion resistance at elevated temperatures. They can withstand temperatures ranging from cryogenic levels up to approximately 1900°F (1038°C) without significant loss of performance, making them suitable for applications in high-temperature environments such as heat exchangers and reactors.
Mechanical Properties: Hastelloy C276 tubes possess excellent mechanical properties, including high strength and toughness, which are maintained over a wide range of temperatures. This combination of properties allows them to withstand mechanical stress and deformation in demanding industrial applications.
Fabrication and Formability: Hastelloy C276 tubes can be readily fabricated using standard techniques such as welding, machining, and forming. They can be manufactured in various sizes and shapes, including seamless and welded tubes, to meet specific application requirements.
Certifications and Standards: Hastelloy C276 tubes are often produced to meet industry standards such as ASTM B622 for seamless tubes and ASTM B619 for welded tubes. They may also comply with other international standards and specifications depending on the intended application.
Overall, Hastelloy C276 tubes are highly versatile components used in critical applications across industries such as chemical processing, oil and gas, power generation, aerospace, pharmaceuticals, and waste treatment, where corrosion resistance, high temperature stability, and mechanical performance are paramount.
| Hastelloy C-276 | % | Ni | Cr | Fe | Mo | W | Co | C | Mn | Si | S | P | V | Ti |
| Min | Bal | 14.5 | 4 | 2.5 | 0.1 | - | - | - | - | - | - | 0.1 | - | |
| Max | 7 | 16.5 | 4.5 | 15 | 3 | 1 | 0.8 | 1 | 0.001 | 0.015 |
Hastelloy C276 tubes find extensive applications across various industries where corrosion resistance, high temperature stability, and mechanical strength are essential. Here are some common applications:
Chemical Processing: Hastelloy C276 tubes are widely used in chemical processing industries for handling corrosive chemicals such as sulfuric acid, hydrochloric acid, phosphoric acid, acetic acid, and chlorinated solvents. They are employed in reactors, heat exchangers, distillation columns, and piping systems.
Oil and Gas: In the oil and gas sector, Hastelloy C276 tubes are utilized in processing equipment for extracting, refining, and transporting oil and natural gas. They are suitable for applications involving sour gas environments, high-pressure/high-temperature (HPHT) conditions, and corrosive drilling fluids.
Pulp and Paper: Hastelloy C276 tubes are used in the pulp and paper industry for handling corrosive chemicals in the pulping and bleaching processes. They are employed in digesters, bleach towers, evaporators, and recovery boilers where resistance to chloride stress corrosion cracking (SCC) is critical.
Aerospace and Defense: In aerospace and defense applications, Hastelloy C276 tubes are employed in aircraft components, missile systems, and marine vessels where corrosion resistance and high strength are required to withstand harsh operating conditions.
Power Generation: Hastelloy C276 tubes are used in power generation facilities, including nuclear, fossil fuel, and renewable energy plants. They are utilized in boilers, heat exchangers, condensers, and steam generators where resistance to corrosion, erosion, and thermal cycling is essential.
Pharmaceuticals: In the pharmaceutical industry, Hastelloy C276 tubes are employed in the production of pharmaceutical intermediates, active pharmaceutical ingredients (APIs), and specialty chemicals. They are used in reaction vessels, storage tanks, and process piping systems where cleanliness and corrosion resistance are critical.
Waste Treatment: Hastelloy C276 tubes are utilized in waste treatment facilities for handling corrosive chemicals and waste streams. They are employed in scrubbers, absorbers, and chemical storage tanks where resistance to corrosion and chemical attack is necessary.
Mining and Metallurgy: In the mining and metallurgical industries, Hastelloy C276 tubes are used in processing equipment for extracting and refining metals. They are employed in leaching operations, acid regeneration plants, and electrolytic cells where resistance to acidic and corrosive environments is required.
Overall, Hastelloy C276 tubes offer superior corrosion resistance, high temperature stability, and mechanical strength, making them indispensable in critical applications across a wide range of industries.
Hastelloy C276 tubes are highly versatile and find extensive applications across various industries due to their exceptional corrosion resistance, high temperature stability, and mechanical properties. Here are some common applications of Hastelloy C276 tubes:
Chemical Processing: Hastelloy C276 tubes are widely used in the chemical processing industry for transporting and processing corrosive chemicals, acids, and solvents. They are employed in applications such as chemical reactors, distillation columns, heat exchangers, and piping systems where resistance to pitting, crevice corrosion, and stress corrosion cracking is crucial.
Oil and Gas: In the oil and gas industry, Hastelloy C276 tubes are utilized in downhole applications, such as tubing and casing, where they provide excellent resistance to corrosion from acidic fluids, hydrogen sulfide (H2S), and chloride ions. They are also used in surface equipment such as heat exchangers, separators, and pipelines in offshore and onshore facilities.
Power Generation: Hastelloy C276 tubes are employed in power generation plants, including fossil fuel, nuclear, and renewable energy facilities, for applications such as boiler tubes, heat exchangers, condensers, and piping systems. They offer superior corrosion resistance in environments containing high temperatures, steam, and aggressive chemicals.
Pulp and Paper: In the pulp and paper industry, Hastelloy C276 tubes are utilized in digester systems, bleach plants, evaporators, and chemical recovery processes where they withstand the corrosive effects of chlorine, chlorine dioxide, and other chemicals used in pulp bleaching and processing.
Desalination: Hastelloy C276 tubes are used in desalination plants for seawater and brackish water desalination processes. They resist corrosion from seawater and saline solutions, making them suitable for evaporators, condensers, and piping systems in reverse osmosis and thermal desalination systems.
Aerospace: Hastelloy C276 tubes find applications in aerospace engineering for components exposed to corrosive environments, such as aircraft exhaust systems, engine components, and hydraulic systems where resistance to corrosion and high temperatures is critical for safety and performance.
Pharmaceuticals: Pharmaceutical manufacturing facilities utilize Hastelloy C276 tubes for processing equipment involved in the production of pharmaceutical products. They are used in reactors, vessels, and piping systems handling corrosive chemicals and sterilization processes.
Waste Treatment: Hastelloy C276 tubes are employed in waste treatment facilities for handling corrosive chemicals and harsh environments in scrubbers, absorbers, and reaction vessels used for neutralization, oxidation, and other treatment processes.
Overall, Hastelloy C276 tubes are preferred in industries where corrosion resistance, reliability, and longevity are essential, making them suitable for a wide range of demanding applications in aggressive environments.
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