Super Duplex Steel Seamless Pipe Manufacturer and Supplier in Thailand

Super duplex steel seamless pipe is a tubular product formed from super duplex stainless steel by hot working processes without any welded joints, ensuring a continuous, uniform structure. Thaida Stainless Steel Manufacturing (Thailand) Co., Ltd. is a leading manufacturer and supplier of super duplex steel seamless pipes in Thailand. We ensure each seamless pipe offers excellent performance and durability. These pipes are available in various grades, including UNS S32750, UNS S32760, S32950, and S32550, meeting international standards like ASTM A790. Known for their superior corrosion resistance, strength, and reliability, our super duplex stainless steel seamless pipes cater to demanding applications in various industries.

Product Overview: Super Duplex Stainless Steel Seamless Pipes

Super Duplex Stainless Steel Seamless Pipes are made from a unique austenitic-ferritic stainless steel alloy, combining a biphasic structural composition that offers exceptional mechanical strength and corrosion resistance. This dual-phase structure makes Super Duplex Steel pipes ideal for high-demand applications in industries such as oil and gas, marine, and chemical processing, where superior performance is required in harsh environments.

Super Duplex Steel Seamless Pipes. These pipes feature a higher chromium and molybdenum content compared to standard Duplex Steel, making them more resistant to pitting, crevice corrosion and chloride stress corrosion cracking.

Super Duplex Steel Seamless Pipes

Key Features of Super Duplex Seamless Pipes

The features of super duplex steel seamless pipes such as exceptional strength, corrosion resistance and reliability which makes them ideal choice for demanding applications are mentioned below:
Corrosion Resistance

Dual-Phase Structure

The unique combination of austenitic and ferritic phases gives super duplex steel seamless pipes an outstanding mechanical properties, offering enhanced strength and durability.

Hygienic Properties

Superior Corrosion Resistance

With a higher chromium and molybdenum content, these pipes exhibit excellent resistance to pitting, crevice corrosion, and stress corrosion cracking.
Durability and Strength

High Strength

Super duplex steel seamless pipes offer exceptional mechanical strength, which allows them to withstand high-pressure and temperature conditions, ensuring their reliability in critical applications.
Environmental Sustainability

Good Weldability

Despite their high strength, it possesses excellent weldability, ensuring strong and reliable joints in various welding processes without compromising material integrity.

Why Choose Our Super Duplex Steel Seamless Pipes?

We are the manufacturer and supplier of high-quality Super Duplex Steel Seamless Pipes, committed to delivering excellence in every product. With extensive experience and a strong global presence, we offer reliable solutions customized to various industrial needs. Our pipes are manufactured with strict quality control, tested thoroughly for durability and performance, and are available in custom sizes and finishes. As a leading manufacturer, we ensure competitive pricing, faster delivery and complete product traceability. Supported by large inventories, rapid dispatch, and full industry certifications, we are the trusted choice for superior Super Duplex Steel seamless piping solutions.

Competitive Pricing

Competitive Pricing

Global Exports Expertise

Global Exports Expertise

Large Inventory & Fast Dispatch

Large Inventory & Fast Dispatch

Custom Sizes & Finishes

Custom Sizes & Finishes

Industry Certifications & Compliance

Industry Certifications & Compliance

Long service life in harsh conditions

Advanced Production Technology

After-Sales Support, Service- Technical Support

After-Sales Support, Service- Technical Support

In-House Testing & Full Traceability

In-House Testing & Full Traceability

Shop Super Duplex Seamless Pipes – Fast quote, quick delivery

Super Duplex Steel Seamless Pipes Specification

The detailed specification of our super duplex steel seamless pipes such as types, length, size, form, thickness are given below
Pipe Specifications ASTM A790 / ASME SA790
Dimensions ANSI/ASME B36.19M, ANSI/ASME B36.10M
Seamless Pipes 1/2″ NB – 16″ NB
Thickness 0.35 mm – 50 mm
Specialized in Large Diameter Pipes Size
Schedule SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, SCH 80S, SCH60, SCH80, SCH120, SCH140, SCH160, SCH XXS, SCH XS
Type Seamless Pipes
Form Round, Square, Hydraulic, U Shape, Rectangular, Pan Cake Coils, Coiled, Hex, Honed, Etc
Length Single Random, Double Random & Required Length.
End Plain End, Beveled End, Treaded End

Types of Super Duplex Steel Seamless Pipes

The details of super duplex steel seamless pipe types such as square, rectangular, cold drawn, and more, each designed to meet specific industrial needs are given below.

At Thaida, we only provide high-quality Super Duplex Stainless Steel Seamless Pipes

Super Duplex Steel Seamless Pipes

Super Duplex Steel Seamless Pipes

High-performance seamless pipes designed for excellent corrosion resistance and high strength in critical applications.

Super Duplex Steel Cold Drawn Seamless Pipes

Super Duplex Steel Cold Drawn Seamless Pipes

Pipes manufactured through the cold-drawing process to achieve precise dimensions, smooth surface finish, and superior mechanical properties.

Super Duplex Steel Round Seamless Pipes

Super Duplex Steel Round Seamless Pipes

Seamless round pipes offering strength and uniformity, ideal for fluid transportation, structural and mechanical applications.

Super Duplex Steel Square Seamless Pipes

Super Duplex Steel Square Seamless Pipes

Square-shaped seamless pipes, providing robustness and aesthetic appeal are widely used in architectural and structural applications.

Super Duplex Steel Seamless Pipes Manufacturing Process

Here are five major steps involved in manufacturing super duplex steel seamless pipe.
Super Duplex Steel Seamless Pipes Manufacturing Process

1. Raw Material Selection

High-quality super duplex steel billets and strips are carefully selected for superior strength and corrosion resistance.

2. Pipes Formation
The selected raw material is formed into pipes using seamless extrusion methods, depending on the application.

3. Heat Treatment
Pipes undergo required controlled heat treatment to enhance mechanical properties and relieve internal stresses.

4. Cold Working & Finishing
After heat treatment, pipes are cold-worked for better surface finish, dimensional accuracy and improved strength.

5. Quality Control and Testing
Every pipe is thoroughly inspected and tested to ensure it meets international quality standards for performance and reliability.

Applications of Super Duplex Steel Seamless Pipes

Super duplex steel seamless pipes are primarily used in the offshore oil and gas industry for subsea pipelines and risers. Their high corrosion resistance and strength make them suitable for chemical plants, desalination units, and marine applications as well.

Oil and Gas Industry

Marine Applications

Chemical Industry

Petrochemical Industry

Power Plants

Aerospace & Defense

Automotive and Transportation

Desalination Plants

Pulp and Paper Industry

Looking for the best price on Super Duplex Steel Seamless Pipes? Contact us now for a quick quote!

FAQ

Can Super Duplex Steel Seamless Pipes be used in high-temperature applications?

Super Duplex Steel Seamless Pipes have a temperature range but are not ideal for very high-temperature applications. Prolonged exposure above 300°C (572°F)can cause a phase change, leading to embrittlement of the material. They are better suited for demanding environments where high pressure and corrosion resistance at moderate temperatures are key.

Super Duplex Piping refers to piping systems made from a specific type of stainless steel with a two-phase microstructure of roughly equal parts austenite and ferrite. This ferritic-austenitic structure gives the pipe superior strength and excellent resistance to stress corrosion cracking and pitting. It is engineered for highly aggressive environments, often replacing expensive nickel alloys.

These pipes are critical in industries with severe corrosive demands. Major users include the offshore oil and gas industry for subsea pipelines and risers. They are also widely used in chemical process plants, desalination facilities, and pulp and paper production. Their high strength-to-weight ratio is a significant benefit in these demanding sectors.

An SDSS pipe is an industry term that stands for Super Duplex Stainless Steel pipe. This pipe grade is known for its high mechanical strength and outstanding performance in chloride-rich environments like seawater. SDSS pipes are often manufactured in seamless form to maximize their pressure integrity for critical piping systems.

Yes, a reliable supplier can readily supply customized Super Duplex Steel Seamless Pipes. We understand that projects often require non-standard dimensions. Suppliers offer various lengths, diameters and specific finish requirements to match unique engineering specifications. We ensure the delivered material meets the required industry codes.

The most common grade of super duplex steel is UNS S32750. Other popular grades include UNS S32760 and UNS S39274. These grades are defined by their specific chemical composition, which features high levels of chromium, molybdenum, and nitrogen. This precise alloying gives them their superior properties.

Super Duplex Steel Seamless Pipes are available in a full range of wall thicknesses. These thicknesses are standardized according to established pipe schedule numbers (like Schedule 40, Schedule 80, XXS, etc.). This variety allows engineers to select the exact pipe needed to handle specific internal pressures and structural loads for a safe system design.

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