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31 / 1.4562 stainless steel structural sections 2024-9-27

31 (1.4562) stainless steel, often referred to as super duplex stainless steel, is known for its excellent mechanical properties and corrosion resistance. The following is a brief introduction to its characteristics, advantages and typical applications in structural cross-sections.

Main Features

Material composition: Contains high levels of chromium (approximately 24-26%), nickel (approximately 6-8%) and molybdenum (approximately 3-5%), giving it excellent corrosion resistance and high strength.

Mechanical Properties: High tensile strength (approx. 800-1000 MPa) and yield strength (approx. 600-800 MPa).
Good ductility and toughness make it suitable for load-bearing applications.

Corrosion resistance: Excellent resistance to pitting, crevice corrosion and stress corrosion cracking, especially in chloride-rich environments.

Advantages of 31 (1.4562) stainless steel structural profiles

High Strength to Weight Ratio: Allows for lighter designs without compromising structural integrity, resulting in easier handling and installation.
Durability: Superior corrosion resistance extends service life and reduces the need for maintenance and replacement.
Versatility: Suitable for a variety of applications in a variety of industries, including construction, marine and chemical processing.
Manufacturing: Can be easily manufactured using standard techniques such as welding, cutting and machining.

Typical applications

Ocean and offshore structures: Oil and Gas Platforms: Used on offshore drilling and production platforms that are frequently exposed to seawater.
Shipbuilding: Used in components for ships and marine vessels that require high strength and corrosion resistance.

Chemical Processing: Tanks and Pipes: Ideal for handling corrosive chemicals in process plants.
Heat Exchanger: Used in equipment exposed to corrosive liquids and high temperatures.

Building and Architecture: Building Framing: Structural framing used in commercial and industrial buildings.
Architectural Features: Used for decorative elements that require both strength and beauty.

Power generation: Support Structures: Used in power plants to support heavy equipment and structures exposed to harsh conditions.

Food and Beverage Industry: Processing Equipment: Suitable for structural components in food processing and packaging facilities to ensure hygiene and safety.

Infrastructure: Public Structures: Used for railings, canopies and other public infrastructure requiring durability and corrosion resistance.

31 (1.4562) Stainless steel structural profiles offer powerful solutions for a variety of applications, combining high strength, excellent corrosion resistance and versatility. Their characteristics make them suitable for use in harsh environments across multiple industries, ensuring long-lasting performance and reliability.


If you have specific projects or further inquiries, please feel free to ask Peak Kong Special Steel Co., Limited.!
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