Description

Duplex Stainless Steel Tube (DSS) - Superior Strength and Corrosion Resistance

Duplex stainless steel tubes offer an exceptional combination of high strength, excellent corrosion resistance, and weldability, making them ideal for a wide range of demanding applications. Unlike traditional austenitic or ferritic stainless steels, duplex stainless steels possess a unique microstructure composed of approximately 50% austenite and 50% ferrite, resulting in significantly enhanced mechanical properties.

Key Features & Benefits:

• Exceptional Strength: Duplex stainless steel tubes exhibit significantly higher yield and tensile strength compared to austenitic stainless steels, allowing for thinner wall designs and reduced weight without compromising structural integrity. This makes them particularly suitable for applications requiring high pressure or load-bearing capabilities.
• Superior Corrosion Resistance: The unique microstructure provides excellent resistance to a broad spectrum of corrosive environments, including chloride-containing solutions, seawater, and various chemicals. This superior resistance minimizes maintenance requirements and extends the lifespan of components. Specific corrosion resistance varies depending on the exact grade of DSS.
• Excellent Weldability: Duplex stainless steel tubes can be readily welded using appropriate techniques, ensuring seamless integration into complex systems. Proper welding procedures are crucial to maintain the desired microstructure and corrosion resistance.
• Enhanced Formability: While possessing high strength, DSS tubes also offer good formability, enabling efficient manufacturing of complex shapes and components.
• Cost-Effective Solution: Despite its superior properties, duplex stainless steel often provides a cost-effective solution compared to other high-performance alloys, offering a balance between performance and price.

Applications:

Duplex stainless steel tubes find applications across numerous industries, including:

• Chemical Processing: Handling corrosive chemicals and process fluids.
• Oil & Gas: High-pressure pipelines, offshore platforms, and subsea equipment.
• Desalination Plants: Seawater handling and reverse osmosis systems.
• Pulp & Paper Industry: Equipment exposed to harsh chemicals and high temperatures.
• Power Generation: Heat exchangers and piping systems.
• Marine & Offshore: Hull structures, ballast tanks, and other marine applications.
• Food & Beverage Processing: Hygienic piping and equipment.

Grades & Specifications:

We offer a range of duplex stainless steel tube grades, including but not limited to:

• UNS S31803 (1.4462): A standard duplex grade offering a good balance of properties.
• UNS S32205 (1.4404): A higher strength, corrosion-resistant grade often used in more demanding applications.
• UNS S32750 (1.4501): Super duplex grade with superior corrosion resistance, especially in highly aggressive environments.

(Specific grades and dimensions available upon request.)

Ordering Information:

To order duplex stainless steel tubes, please provide the following information:

• Grade: (e.g., UNS S31803)
• Outer Diameter (OD): (mm or inches)
• Wall Thickness (WT): (mm or inches)
• Length: (mm or meters)
• Quantity:

Contact us today for a quote and more information on our wide selection of high-quality duplex stainless steel tubes.