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What is Duplex Steel 2205 Pipe?

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niyasharma
What is Duplex Steel 2205 Pipe?

Duplex steel is a ferritic-austenitic alloy that has excellent corrosion resistance and is characterized by high strength and toughness. It is a popular material for various applications, including marine, chemical and pulp industries. The alloy can also be thermally treated for improved hardness.


One of the most common grades of Duplex Steel 2205 Pipe. This alloy is highly resistant to crevice corrosion and oxidation. Furthermore, its mechanical properties allow designers to reduce wall thickness.

Grade 2205 contains more chromium, nitrogen, and molybdenum than standard stainless steels such as 316.

Applications of Duplex Steel 2205 Pipe

These materials contribute to a high level of resistance to chloride pitting. This is critical for marine environments, closed-loop water systems, and bleaching operations.

Grade 2205 has a low carbon content and is stress crack resistant. Furthermore, the alloy is highly malleable. As a result, it is less likely than 316 to undergo a ductile-to-brittle transition. Another advantage of 2205 over 316 is its superior resistance to erosion and seawater.


Compared to other alloys, 2205 has a higher yield strength, which is advantageous in many applications. However, its high chromium content makes it brittle at temperatures above 572 degrees Celsius. As a result, it is not advised for use in the construction industry. Despite this drawback, duplex stainless steel tubing has excellent resistance to crevice corrosion, fatigue, and erosion.

Features of Duplex Steel 2205 Pipe

Duplex steel is commonly used in the chemical, gas, and marine industries. It is also used in the biofuel plan. It can be used in flue gas desulfurization because of its good dimensional stability and corrosion resistance.


It is also employed in chemical processing, oil and gas exploration, as well as storage, and transportation. 2205 stainless steel tubing can withstand temperatures ranging from -50 to 300 degrees Celsius. It can also be used to assemble large glass panels.

Duplex 2205 has many applications, the most common in the marine, pulp, and chemical industries.


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