Inconel Products

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Inconel® 718 pipe is a nickel-chromium-based superalloy known for its high strength, corrosion resistance, and excellent performance at extreme temperatures. It is widely used in aerospace, chemical processing, and other demanding environments.

• Material Composition:

  • Nickel (Ni): 50-55% (Primary element for heat and corrosion resistance)

  • Chromium (Cr): 17-21% (Enhances oxidation resistance)

  • Iron (Fe): Balance

  • Molybdenum (Mo): 2.8-3.3% (Improves strength and pitting resistance)

  • Niobium (Nb) + Tantalum (Ta): 4.75-5.5% (Aids in precipitation hardening)

  • Titanium (Ti): 0.65-1.15% (Increases strength)

• Corrosion and Oxidation Resistance:

  • Excellent in oxidizing and reducing environments.

  • Resists chloride stress corrosion cracking.

  • Superior performance in high-pressure and high-temperature environments.

• Mechanical Properties:

  • Tensile Strength: ≥ 1240 MPa

  • Yield Strength: ≥ 1035 MPa

  • Elongation: ≥ 12%

  • Hardness: ≤ 44 HRC (can be hardened through precipitation)

• Temperature Range:

  • Operates effectively from -253°C to 705°C (-423°F to 1300°F).

  • Withstands creep and rupture up to 980°C (1800°F) in specific applications.

• Size Range: Outer diameter from 1/8 inch to 24 inches.

• Wall Thickness: SCH 5 to SCH XXS.

• Standards: ASTM B983, ASTM B670, AMS 5589/5590.

• Forms: Seamless, welded, and fabricated pipes.

• Aerospace: Jet engines, gas turbines, and aircraft exhaust systems.

• Oil & Gas: Downhole tubing, wellhead components, and heat exchangers.

• Power Generation: Nuclear reactors and steam turbines.

• Marine Industry: Submarine and offshore equipment due to saltwater resistance.

• Chemical Processing: Handling acidic and caustic solutions.

• High Strength: Retains mechanical properties under extreme conditions.

• Heat Resistance: Exceptional performance at high temperatures.

• Corrosion Resistance: Withstands harsh chemical and marine environments.

• Weldability: Easy to fabricate and weld without cracking.

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Nickel Alloy Seamless Tubes are high-performance tubes made from nickel-based alloys designed to provide exceptional resistance to corrosion, high temperature, and wear in extreme environments. These tubes are manufactured using seamless production processes, ensuring uniformity and consistency in strength, wall thickness, and surface finish. The alloy composition of nickel tubes offers superior resistance to oxidation, pitting, and crevice corrosion, making them ideal for applications in industries such as chemical processing, aerospace, oil and gas, and power generation.

Nickel alloys, particularly those based on Nickel 200, Nickel 201, Inconel, Incoloy, and Monel, are known for their ability to withstand aggressive environments, including exposure to acids, alkalis, and high-pressure systems. Nickel alloy seamless tubes provide reliable performance in applications where other metals may fail due to harsh conditions.

• Excellent Corrosion Resistance: Nickel alloys, especially those containing significant amounts of molybdenum and chromium, offer outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, even in harsh chemical and marine environments.

• High-Temperature Performance: Nickel alloy tubes maintain their strength and resistance to oxidation at elevated temperatures, making them suitable for use in furnaces, reactors, and heat exchangers.

• Good Weldability: These tubes can be welded easily with minimal risk of degradation in properties after welding, making them suitable for a wide range of fabrication processes.

• High Strength: Nickel alloys offer superior tensile strength, making them capable of handling high-pressure systems and applications with mechanical stress.

• Versatility: Available in a wide range of sizes, wall thicknesses, and grades, allowing for customized solutions based on specific engineering requirements.

• Seamless Construction: The seamless tube manufacturing process ensures uniformity in wall thickness, improved structural integrity, and resistance to mechanical stress.

• Chemical Processing: Used in the construction of heat exchangers, reactors, and piping systems exposed to highly corrosive chemicals, including acids and alkalis.

• Aerospace and Aviation: Used for manufacturing parts like fuel lines, hydraulic tubes, and heat exchangers that require high strength and resistance to extreme temperatures.

• Oil and Gas Industry: Tubes for high-pressure systems, pipelines, and subsea applications where high corrosion resistance and strength are critical, especially in offshore oil rigs and subsea systems.

• Power Generation: Components such as heat exchangers, boilers, and turbines that need to withstand high temperatures and high-pressure conditions.

• Marine and Seawater Applications: Seawater piping systems, desalination plants, and marine equipment exposed to harsh saltwater environments.

• Food and Pharmaceutical Industries: Tubes used in applications requiring stringent hygiene and corrosion resistance, such as food processing equipment, pharmaceutical reactors, and sanitary applications.

Nickel Alloy Seamless Tubes are available in various grades and compositions to meet the specific requirements of each application. 

These tubes meet industry standards such as ASTM B167, ASTM B111, ASTM B163, and ASME SA213, ensuring reliability and durability in demanding applications. Custom sizes, finishes, and wall thicknesses can also be provided based on specific engineering requirements.

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