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Duplex & Super Duplex Pipes

Introduction

Duplex and Super Duplex pipes are high-performance materials designed to handle extreme environments. Combining both austenitic and ferritic stainless steels, these pipes offer remarkable strength, corrosion resistance, and durability. They are ideal for applications in industries such as oil and gas, chemical processing, and marine engineering.

With enhanced mechanical properties and superior resistance to stress corrosion cracking, Duplex and Super Duplex pipes are suitable for high-pressure and high-temperature environments, offering a longer lifespan compared to standard stainless steel pipes.

Exceptional strength and resistance to stress corrosion cracking
High resistance to corrosion, especially in chloride environments
Excellent weldability and machinability
Cost-effective solution with longer service life
Suitable for both high and low temperature applications

Features of Duplex & Super Duplex Pipes

Corrosion Resistance: Duplex and Super Duplex pipes exhibit superior resistance to corrosion, especially in chloride-rich environments, due to their high chromium and molybdenum content.
High Strength: These pipes offer high tensile strength and yield strength, making them suitable for high-pressure applications where other materials might fail.
Stress Corrosion Cracking Resistance: The dual-phase structure of Duplex and Super Duplex steels provides excellent resistance to stress corrosion cracking, a common problem in harsh environments.
Cost Efficiency: Their high strength allows for the use of thinner pipes, reducing material costs and installation expenses while maintaining performance.
Thermal Conductivity: Duplex and Super Duplex steels have better thermal conductivity compared to austenitic grades, which improves their performance in thermal applications.

Duplex & Super Duplex Pipe Characteristics

Seamless and Welded Options: Available in both seamless and welded forms to cater to different application needs. Seamless pipes provide superior strength and reliability, while welded pipes are more economical.
Various Grades and Alloys: Duplex steels are available in different grades, including 2205 and 2507, each tailored for specific applications. Choosing the correct grade ensures optimal performance.
Aesthetic Qualities: The polished finish of these pipes adds a sleek appearance, suitable for visible installations in architectural and decorative applications.
Resistance to Pitting and Crevice Corrosion: Duplex and Super Duplex steels have enhanced resistance to pitting and crevice corrosion, which helps in maintaining their integrity in aggressive environments.