High Temperature Alloy Pipe

• Overview

  High temperature alloy pipes are specialized metal pipes designed to withstand extreme temperatures while maintaining their strength and resistance to corrosion. They are commonly used in industries such as aerospace, petrochemical, and power generation. These tubes are typically made from a combination of nickel, chromium, molybdenum, and titanium, providing exceptional heat resistance, oxidation resistance, and corrosion resistance.

   

  High Temperature Stability: Heat-resistant alloy tubes can operate at elevated temperatures without losing mechanical strength, making them ideal for high-stress environments.

  Oxidation Resistance: The addition of chromium and other elements enhances the tube’s ability to resist oxidation, even at high temperatures.

  Corrosion Resistance: These alloys are designed to resist corrosion from harsh chemicals and gases, making them suitable for industries like chemical processing and refining.

  Durability and Longevity: Their superior material properties allow for prolonged use in extreme conditions without significant wear.

• Material

  N07718 (Inconel 718)

  Composition: A nickel-chromium alloy with additions of niobium, molybdenum, and aluminum.

  Key Features: Excellent mechanical strength, corrosion resistance, and oxidation resistance at temperatures up to 700°C.

  Applications: Aerospace components, gas turbines, and nuclear reactors.

  
  

  GH3030

  Composition: An austenitic nickel-chromium alloy with a simple composition.

  Key Features: Good oxidation and corrosion resistance, suitable for temperatures up to 800°C, but with limited strength at high temperatures.

  Applications: Combustion chambers, heat treatment equipment, and furnace components.

  
  

  GH3039

  Composition: A nickel-based superalloy with the addition of elements like chromium, cobalt, and titanium.

  Key Features: High strength and excellent oxidation resistance up to 900°C, making it suitable for prolonged high-temperature exposure.

  Applications: High-temperature components in aviation engines, gas turbines, and petrochemical equipment.

• Features

  1. High Temperature Resistance: These alloy pipes maintain their mechanical strength and stability at elevated temperatures, often exceeding 700°C, making them ideal for extreme thermal environments.

  2. Oxidation Resistance:High-temperature alloys typically contain chromium and other elements that form a protective oxide layer on the surface, preventing oxidation and degradation at high temperatures.

  3. Corrosion Resistance:These alloys are designed to resist various forms of chemical corrosion, including exposure to acids, gases, and other corrosive substances, particularly in high-temperature industrial settings.

  4. Creep Resistance: High-temperature alloy pipes exhibit excellent resistance to creep (the tendency to deform under constant stress at high temperatures), ensuring structural integrity over long periods of time.

  5. Thermal Fatigue Resistance: They can endure rapid temperature fluctuations without cracking or losing their structural integrity, which is essential in applications with frequent heating and cooling cycles.

  6. High Strength-to-Weight Ratio: Despite their lightweight structure, these alloys offer high strength, making them suitable for aerospace, automotive, and other industries where weight and durability are critical.

  7. Long Service Life: Due to their resistance to wear, corrosion, and extreme temperatures, high-temperature alloy pipes have a prolonged operational lifespan, reducing maintenance and replacement costs.

  8. Weldability: Many high-temperature alloys can be welded and formed into complex shapes without losing their mechanical properties, which is essential for manufacturing custom components.

• Size

  N07718 (Inconel 718)

  Outer Diameter:

  6mm-114.3mm

  Wall Thickness:

  0.3mm--12mm

  
  

  GH3030

  Outer Diameter:

  3mm--325mm

  Wall Thickness:

  0.3mm--12mm

  
  

  GH3039

  Outer Diameter:

  3mm--325mm

  Wall Thickness:

  0.3mm--12mm

• Advantages

  1. Size Flexibility: Wide range of sizes to meet diverse industrial needs.

  2. Customizable Wall Thickness: Tailored for optimal pressure resistance or heat transfer.

  3. Tight Tolerances: Precision-engineered for consistent performance and reliability.

  4. Advanced Material Properties: Exceptional resistance to heat, corrosion, oxidation, and mechanical stress, ensuring long-term durability.

• Application

  1. N07718 (Inconel 718) is a nickel-based superalloy known for its exceptional strength and resistance to oxidation and corrosion at elevated temperatures, making it an ideal choice for a variety of demanding applications in high-temperature environments.

  Gas Turbine Blades:

  N07718 is extensively used in the production of turbine blades, which are subjected to extreme thermal and mechanical stresses. These blades operate at temperatures exceeding 600°C, where maintaining structural integrity is critical to the efficiency and safety of the turbine.

  Combustion Chambers:

  Inconel 718 is also used in the manufacturing of combustion chamber components, where it must resist high temperatures, pressure, and corrosive gases. Its high creep resistance ensures that the material remains stable and functional even under prolonged exposure to these harsh conditions.

  Turbine Working Parts:

  Beyond the blades and combustion chambers, other working components of gas turbines, such as seals, fasteners, and casings, are often made from N07718. These parts must endure the extreme pressures and temperatures within the engine without suffering from fatigue or deformation.

  High-Pressure Equipment:

  N07718’s ability to perform well under high pressure makes it suitable for high-temperature and high-pressure environments in various industrial processes, such as chemical plants and oil refineries. Its resistance to thermal fatigue and oxidation helps ensure longevity in these applications.

  2. GH3030 andGH3039 are nickel-basedsuper-alloys that offer excellent resistance to high temperatures, corrosion, and oxidation, making them ideal for use in temperature sensing devices like thermocouples and thermistors, especially in micro-scale applications where accuracy and durability are critical.

  Micro Thermocouples:

  GH3030 and GH3039 are frequently used in the manufacturing of micro thermocouples, which are essential for measuring temperature in small, confined spaces or in high-temperature environments. These alloys provide the necessary heat resistance and stability, ensuring accurate temperature readings even at temperatures exceeding 800°C.

  In industrial settings, micro thermocouples made from these alloys are used in high-temperature furnaces, reactors, and gas turbines where maintaining precise temperature control is vital to process efficiency and safety.

  Thermistors:

  In high-temperature applications, thermistors made from GH3030 and GH3039 are critical for temperature sensing and control. These alloys provide excellent resistance to thermal fatigue, making them suitable for environments that experience rapid temperature fluctuations.

  The alloys’ oxidation resistance ensures that the thermistors maintain their functionality over extended periods, even when exposed to corrosive gases or high temperatures, such as in petrochemical industries or power plants.