Super Duplex Steel Seamless Tube Manufacturer and Supplier in Thailand

Super Duplex Steel Seamless Tubes is a high-alloy, corrosion-resistant tube made without welds, combining austenitic and ferritic microstructures for superior strength and durability. Thaida Stainless Steel Manufacturing (Thailand) Co., Ltd., a super duplex seamless tube manufacturer, is based in Chon Buri, Thailand. As a Steel Manufacturer company Thaida offers these tubes in a range of sizes and shapes, including round and square. These tubes are widely used in industries such as chemical processing, offshore oil and gas, and power generation. With competitive prices and various dimensions and wall thicknesses available, we provide tailored solutions to fit specific project needs. Our efficient supply chain guarantees quick delivery for urgent project requirements, making us the preferred choice for clients seeking reliable, and cost-effective solutions.

Product Information of Super Duplex Steel Seamless Tubes

Super duplex steel seamless tubes are known for their exceptional strength and corrosion resistance. These high-chromium tubes are alloyed with essential elements such as chromium, nickel, molybdenum, and nitrogen, along with minor additions of manganese and copper, ensuring excellent tensile strength and yield strength. These tubes meet globally recognized standards like ASTM/ ASME SA789, guaranteeing consistent quality and performance across international industries. These tubes ensure excellent weldability and formability which make them ideal for creating strong and long-lasting joints in even the most demanding conditions.
Super Duplex Steel Seamless Tubes

Advantages of Choosing Super Duplex Steel Seamless Tubes

Following are advantages of super duplex steel seamless tubes such as strength, corrosion protection, durability and more.
corrosion resistance

Superior Corrosion Resistance

Super duplex tubes provide outstanding resistance to pitting, crevice, and general corrosion, especially in chloride-rich and marine environments.

Hygienic Properties

High Strength

Their dual-phase microstructure offers significantly higher mechanical strength compared to standard stainless steels.

Durability and Strength

Enhanced Durability

The tubes maintain structural integrity under high pressure and harsh operating conditions, extending service life.

Environmental Sustainability

Excellent Weldability

They can be welded with minimal risk of cracking or distortion, making fabrication easier and more reliable.

Low Maintenance

Performance in Aggressive Environments

Ideal for use in chemical processing, offshore, and desalination industries where materials face extreme conditions.

Versatility

Cost-Effective in the Long Term

Their longer lifespan and lower maintenance requirements make them a smart investment over time.

Long service life in harsh conditions

Resistance to Oxidation

Super duplex steel resists scaling and oxidation even at elevated temperatures, ensuring clean performance in high-heat applications.

Why Choose Our Super Duplex Steel Seamless Tubes?

We are the trusted Super Duplex Steel Seamless Tubes supplier in Thailand, known for delivering high-quality tubing that meets global industrial needs. Our tubes are manufactured using premium-grade materials and are fully compliant with ISO, ASTM, and ASME standards, along with other international certifications. With a focus on quality, Service, and timely delivery, we ensure our super duplex tubes offer excellent strength, corrosion resistance, and long-term value all at a reasonable price across a range of demanding applications.

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

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Super Duplex Seamless Tubing Specifications

Below is the specification of Super Duplex Steel Seamless Tubes, highlighting the available sizes, types, standards, and other dimensional details suitable for various industrial applications.
Specifications ASTM A 789, ASME SA 789
Dimensions ASTM, ASME, and API
Size 1/2″ NB to 12″ NB IN
Specialized in Large Diameter Size
Schedule SCH20, SCH30, SCH40, STD, SCH80
Type Seamless
Form Round, Hydraulic, Etc.
Length Single Random, Double Random & Cut Length
End Plain End, Beveled End, Threaded

Types of Super Duplex Seamless Tubing

We offer various types of super duplex steel seamless tubes such as square, rectangular round etc each designed to serve specific industrial functions are as follows

At Thaida, we only provide high-quality super duplex stainless steel seamless tubes

Super Duplex Steel Round Seamless Tubes

Super Duplex Steel Round Seamless Tubes

These are the most commonly used tubes in fluid and gas transfer systems due to their uniform shape and excellent pressure handling capacity.

Square Seamless Tubes

Super Duplex Steel Square Seamless Tubes

Ideal for structural applications, these tubes offer a strong geometric profile, making them perfect for construction and fabrication.

Super Duplex Steel Rectangular Seamless Tubes

Super Duplex Steel Rectangular Seamless Tubes

Commonly used in architectural and mechanical systems, it provides structural integrity with a modern, flat-edge design.

Super Duplex Steel Heat Exchanger Tubes

Super Duplex Steel Heat Exchanger Tubes

Specially made to withstand high thermal stress and corrosive fluids, they ensure efficient heat transfer in chemical and marine industries.

Boiler Seamless Tubes

Super Duplex Steel Boiler Seamless Tubes

Designed for high-pressure and high-temperature boiler systems, it offer excellent durability and thermal resistance.

Super Duplex Steel Hydraulic Seamless Tubes

Super Duplex Steel Hydraulic Seamless Tubes

These tubes are used in hydraulic systems for their ability to handle high pressures without deformation or leakage.

Super Duplex Steel Instrumentation Tubes

Super Duplex Steel Instrumentation Tubes

Precision-engineered for accurate flow control in instrumentation and measurement applications, often used in oil & gas and petrochemical industries.

Super Duplex Steel Seamless Tubes Size Chart

The size chart for Super Duplex Steel Seamless Tubes, detailing the available dimensions to meet various industrial requirements.
Wall Sizes ( O.D.)
.010 1/16" , 1/8" , 3/16"
.020 1/16" , 1/8" , 3/16" , 1/4" , 5/16" , 3/8"
.012 1/8"
.016 1/8" , 3/16"
.028 1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 3/4" , 1" , 1 1/2" , 2"
.035 1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 7/16" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4"
.049 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/8" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4"
.065 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 3/4" , 2" , 2 1/2" , 3"
.083 1/4" , 3/8" , 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 7/8" , 2" , 2 1/2" ,3"
.095 1/2" , 5/8" , 1" , 1 1/4" , 1 1/2" , 2"
.109 1/2" , 3/4" , 1" , 1 1/4" , 1 1/2" , 2"
.120 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 2" , 2 1/4" , 2 1/2" , 3"
.125 3/4" , 1" , 1 1/4" , 1 1/2" , 2" , 3" , 3 1/4"
.134 1"
.250 3"
.375 3 1/2"

Super Duplex Steel Seamless Tubes Manufacturing Process

There are 5 key steps in the super duplex steel seamless tubes manufacturing process which are as follows. Each step is carefully executed to ensure the tube’s strength, durability, and flawless finish.
Super Duplex Steel Seamless Tubes Manufacturing Process

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

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

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

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

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

Applications of Super Duplex Steel Seamless Tubes

Super Duplex Steel Seamless Tubes are primarily used in offshore oil and gas platforms for subsea pipelines and topside processing systems. They are also utilized in aerospace and defense components exposed to extreme environments, pulp & paper mill equipment handling aggressive bleaching chemicals, and chemical and petrochemical plants for high-pressure, corrosive fluid transport.

Oil and Gas Industry

Marine Applications

Chemical Industry

Petrochemical Industry

Power Plants

Aerospace & Defense

Automotive and Transportation

Desalination Plants

Pulp and Paper Industry

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FAQ

What industries use Super Duplex Steel Seamless Tubes?

Super Duplex Seamless Tubes are used in offshore oil rigs, petrochemical plants, desalination plants, and power generation units. They are also common in pulp and paper mills, seawater systems, and chemical processing setups. Our tubes work well in places that face high pressure and strong corrosion.

These are fittings made from super duplex steel that connect seamless tubes in piping systems. They help maintain leak-free flow, hold pressure, and resist corrosion. You see them in harsh chemical and marine service where strength matters.

Our tubes give high strength, strong corrosion resistance, and long life in tough environments. They handle seawater, acids, and high pressure without wearing fast. They also lower maintenance costs by avoiding frequent failures.

It is used in heat exchangers, desalination units, offshore platforms, fire-fighting lines, and chemical pipelines. It also runs in pressure systems, water treatment plants, and marine environments. Anywhere corrosion and pressure meet, this tube fits well.

Yes we provide customized sizes, lengths, and grades based on project needs. You can request exact specs to match pressure, temperature, and flow demands. This helps get the right fit for your setup without hassle.

Yes, in harsh conditions. Super duplex offers higher strength and better corrosion resistance than 316 stainless steel. It handles seawater and aggressive chemicals much better. If your setup faces strong corrosion or high pressure, super duplex is the safer choice.

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