Duplex 2507 Blind Flange



Duplex 2507 Blind Flange: Strength and Key Benefits

The Duplex 2507 blind flange is a remarkable component made from the highly durable and corrosion-resistant Super Duplex 2507 stainless steel. Super Duplex 2507 is a special type of duplex stainless steel that offers exceptional strength, excellent corrosion resistance, and enhanced durability. It is composed of a balanced mixture of austenite and ferrite phases, which provides it with unique properties suitable for demanding applications.

Key Benefits of Duplex 2507 Blind Flange

The Duplex 2507 blind flange offers several key benefits that make it a preferred choice in various industries. Let’s explore some of these benefits:

  1. Superior Corrosion Resistance: One of the primary advantages of the Duplex 2507 blind flange is its exceptional resistance to corrosion. It exhibits excellent resistance to localized corrosion, such as pitting and crevice corrosion, as well as general corrosion in aggressive environments. This makes it highly suitable for applications where corrosion resistance is critical, such as offshore oil and gas platforms, chemical processing plants, and marine environments.
  2. High Strength and Durability: The Duplex 2507 blind flange is known for its outstanding strength and durability. It offers higher strength compared to conventional austenitic stainless steels, allowing it to withstand high-pressure and high-stress conditions without deformation or failure. This makes it an excellent choice for applications that require robust and reliable components.
  3. Excellent Mechanical Properties: Super Duplex 2507 exhibits excellent mechanical properties, including high tensile strength, impact resistance, and fatigue strength. These properties make it suitable for applications that involve heavy loads, dynamic stress, and harsh operating conditions. The Duplex 2507 blind flange ensures the integrity and longevity of the piping system, even in demanding environments.
  4. Wide Range of Applications: The Duplex 2507 blind flange finds extensive use in various industries and applications. It is commonly employed in oil and gas exploration and production, chemical processing, desalination plants, pulp and paper industry, and many more. Its versatility and superior properties make it an ideal choice for critical applications where reliability and performance are paramount.

Physical Properties of Super Duplex 2507

To fully appreciate the capabilities of the Duplex 2507 blind flange, it is important to understand its physical properties. Here are some key physical properties of Super Duplex 2507:

  • Density: The density of Super Duplex 2507 is approximately 7.8 g/cm³, which is slightly higher than that of conventional stainless steels. This density contributes to its strength and durability.
  • Melting Point: The melting point of Super Duplex 2507 is around 1350-1390°C (2462-2534°F), which is higher than that of standard austenitic stainless steels. This high melting point ensures its stability and integrity at elevated temperatures.
  • Thermal Conductivity: Super Duplex 2507 exhibits moderate thermal conductivity, allowing it to transfer heat efficiently. This property is beneficial in applications where heat dissipation is required.
  • Magnetic Properties: Super Duplex 2507 is a duplex stainless steel with a mixed microstructure of austenite and ferrite. Due to its ferritic phase, it exhibits magnetic properties, making it suitable for certain applications where magnetic response is desired.
  • Tensile Strength: The tensile strength of Super Duplex 2507 is typically around 800-1000 MPa (116-145 ksi). This high tensile strength allows it to withstand heavy loads and high-stress conditions.Yield Strength: The yield strength of Super Duplex 2507 is typically around 550-750 MPa (80-109 ksi). This is the point at which the material begins to deform permanently under tension.

    Elongation: Super Duplex 2507 exhibits a minimum elongation of 25%. Elongation refers to the ability of the material to stretch before it breaks, indicating its ductility.

    Hardness: The hardness of Super Duplex 2507 is typically in the range of 250-290 HB (Brinell hardness). This hardness level ensures its resistance to deformation and wear.

    Impact Toughness: Super Duplex 2507 has excellent impact toughness, which refers to its ability to absorb energy without fracturing. This property makes it suitable for applications that involve dynamic loading or impact.

    Fatigue Strength: Super Duplex 2507 exhibits good fatigue strength, allowing it to withstand cyclic loading and repeated stress without failure. This property is crucial in applications where the material is subjected to fluctuating loads.

Super Duplex 2507 Uses

Super Duplex 2507 is widely used in various industries due to its exceptional properties. Some common applications of Super Duplex 2507 include:

  1. Oil and Gas Industry: Super Duplex 2507 is extensively used in offshore oil and gas platforms, subsea pipelines, and equipment exposed to corrosive environments. Its superior corrosion resistance and strength make it ideal for these demanding applications.
  2. Chemical Processing: Super Duplex 2507 finds use in chemical processing plants, where it is exposed to aggressive chemicals and high temperatures. Its resistance to corrosion and excellent mechanical properties ensure the reliability and longevity of equipment and piping systems.
  3. Desalination Plants: Super Duplex 2507 is employed in desalination plants where seawater is converted into freshwater. Its corrosion resistance and durability make it suitable for the harsh conditions encountered in desalination processes.
  4. Pulp and Paper Industry: Super Duplex 2507 is utilized in the pulp and paper industry for equipment such as digesters, bleach towers, and piping systems. Its resistance to corrosion and high strength make it an excellent choice for these applications.
  5. Marine Applications: Super Duplex 2507 is commonly used in marine applications, including shipbuilding, offshore structures, and seawater handling equipment. Its corrosion resistance and ability to withstand harsh marine environments make it highly suitable for these applications.

In conclusion, the Duplex2507 blind flange, made from Super Duplex 2507 stainless steel, offers exceptional strength, corrosion resistance, and durability. Its key benefits include superior corrosion resistance, high strength and durability, excellent mechanical properties, and versatility in various applications. The physical properties of Super Duplex 2507, such as density, melting point, thermal conductivity, and magnetic properties, contribute to its overall performance. This duplex stainless steel is widely used in industries such as oil and gas, chemical processing, desalination, pulp and paper, and marine applications. By choosing the Duplex 2507 blind flange, you can ensure reliable and long-lasting performance in demanding environments.


    • Ronsun2023

      2024年5月19日 at am11:51

      ASTM A240 Grade 2507 Heat-Treated
      Unit Property Name Value
      °C Max service temperature 300
      °C Melting point 1375
      J/(kg·K) Specific heat capacity 440
      W/(m·K) Thermal conductivity 13

  • webpage

    2024年5月14日 at am12:57

    What is the difference between 904L and 2507?

    • Ronsun2023

      2024年5月19日 at am11:51

      2507 also provides excellent resistance to inorganic acids, especially those containing chlorides. In dilute sulfuric acid contaminated with chloride ions, 2507 has better corrosion resistance than 904L, which is a highly alloyed austenitic steel grade specially designed to resist pure sulfuric acid.

  • RobertUnded

    2024年5月14日 at pm1:25

    What is the difference between duplex 2205 and 2507?

    • Ronsun2023

      2024年5月19日 at am11:50

      What is the Difference Between Duplex 2507 vs 2205 –
      Overview: In terms of a comprehensive evaluation, the strength, hardness, and corrosion resistance of duplex steel 2507 are better than 2205, but its cost is higher. Therefore, when choosing two-way steel, it should be selected according to the actual application requirements.

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