Duplex Stainless Steel Pipes and Tubes Manufacturer in India

In today?s demanding industrial environments, the strength, corrosion resistance, and reliability of every pipe and tube are essential to the success of your project. As a leading Duplex Stainless Steel Pipes and Tubes Manufacturer in India, CEBEX STEEL INDIA has earned the trust of EPC contractors, procurement managers, and industrial buyers across India, Africa, and global markets. We specialize in the design, manufacture, and export of high-quality Duplex Stainless Steel pipes and tubes that meet the most stringent international standards, ensuring leak-proof performance and long-term durability in even the harshest environments.

Our advanced manufacturing facility is equipped with state-of-the-art forming, welding, and finishing technology, enabling us to produce Duplex Stainless Steel pipes and tubes with exceptional dimensional accuracy and surface finish. Whether you are constructing a chemical plant, upgrading an offshore platform, or managing a water treatment project, our pipes and tubes are engineered to deliver consistent performance and reliability. We understand the critical role that Duplex Stainless Steel pipes and tubes play in maintaining the integrity of piping systems, and we are committed to providing products that exceed your expectations for quality, compliance, and service.

Image: Duplex Pipes Production

Why Choose Us as Your Duplex Stainless Steel Pipes and Tubes Supplier?

Selecting the right supplier for Duplex Stainless Steel pipes and tubes is a strategic decision that impacts the safety, efficiency, and cost-effectiveness of your operations. CEBEX STEEL INDIA stands out as a preferred partner due to our unwavering commitment to quality, technical expertise, and customer satisfaction. We are ISO 9001:2015 and PED certified, reflecting our adherence to global quality management systems and our ability to meet the requirements of international projects.

Our in-house laboratory is equipped to perform a comprehensive range of mechanical, chemical, and non-destructive tests, ensuring that every batch of pipes and tubes meets or exceeds client specifications. We maintain full traceability from raw material to finished product, and all shipments are accompanied by detailed mill test certificates (EN 10204 3.1/3.2), NDT reports, and compliance documentation. Our export team is experienced in handling complex logistics, documentation, and packing requirements, making us a reliable partner for buyers in Africa, the Middle East, Southeast Asia, and beyond.

Image: Quality Lab Testing

Product Overview & Key Features

Our Duplex Stainless Steel pipes and tubes are manufactured using premium raw materials sourced from approved mills, and every stage of production is closely monitored for quality assurance. We offer a comprehensive range of pipe and tube types, sizes, and pressure ratings, suitable for a wide variety of industrial applications. Whether your requirement is for standard ASME pipes and tubes or custom-designed solutions, our engineering team is equipped to deliver with precision and speed.

The following table summarizes the key features and specifications of our Duplex Stainless Steel pipes and tubes:

Feature	Specification/Detail
Standards	ASTM, ASME, EN, DIN, BS, JIS, GOST, ISO
Grades	Duplex 2205 (UNS S31803/S32205), Super Duplex 2507 (UNS S32750/S32760)
Pressure Ratings	SCH 5, 10, 20, 40, 80, 160, XXS; Custom Schedules
Size Range	?? NB to 24? NB (DN15?DN600)
Surface Finish	Annealed, pickled, polished, or as per client spec
Documentation	Mill Test Certificate (EN 10204 3.1/3.2), NDT, PMI, Hydro, etc.

Types of Duplex Stainless Steel Pipes and Tubes We Manufacture

Our product portfolio covers the full spectrum of Duplex Stainless Steel pipes and tubes, each designed for specific applications and operating conditions. We manufacture seamless pipes, welded pipes, ERW pipes, EFW pipes, seamless tubes, welded tubes, heat exchanger tubes, instrumentation tubes, and custom pipes and tubes based on client drawings and specifications. Our engineering team works closely with clients to ensure that every pipe and tube meets the precise requirements of their project, from material selection to dimensional tolerances.

Image: Seamless & Welded Duplex Pipes

Grades, Materials & International Standards

Material selection is a critical factor in pipe and tube performance, especially in corrosive or high-pressure environments. We offer Duplex Stainless Steel pipes and tubes in a wide range of grades, each compliant with relevant international standards. The table below provides an overview of our most commonly supplied grades:

Duplex Grade	Typical Applications	Standards
2205	Chemical, oil & gas, desalination, marine, pulp & paper	ASTM A790, ASTM A789, ASME SA790, ASME SA789
2507	Offshore, petrochemical, power generation, seawater	ASTM A790, ASTM A789, ASME SA790, ASME SA789

All materials are sourced from reputed mills and are fully traceable, with heat numbers and batch records maintained for every order.

Chemical Composition & Mechanical Properties

Every Duplex Stainless Steel pipe and tube is supplied with comprehensive test certificates, including chemical composition and mechanical property reports. This ensures full compliance with project specifications and international codes. Our in-house laboratory conducts spectrographic analysis, tensile testing, hardness testing, and non-destructive examinations such as ultrasonic and radiographic testing.

Property	Typical Values (Varies by Grade)
Tensile Strength	620?900 MPa
Yield Strength	450?650 MPa
Elongation	25?35%
Hardness	250?300 HB
Elements	Cr, Ni, Mo, N, Mn, Si, C, Fe

All test results are documented and provided with each shipment, ensuring transparency and traceability.

Image: Lab Spectro Analysis

Dimensions, Sizes & Weight Chart

We manufacture Duplex Stainless Steel pipes and tubes in a wide range of dimensions, from ?? NB to 24? NB, with wall thicknesses from SCH 5 to XXS and custom schedules. Our production is fully compliant with ASME B36.19, ASME B36.10, EN, DIN, and other international standards. The following table illustrates typical dimensions for pipes as per ASME B36.19:

Size (NB)	Outside Diameter (mm)	Wall Thickness (mm)	Weight (kg/m)
??	21.3	2.77	1.27
1?	33.4	3.38	2.68
2?	60.3	3.91	5.44
4?	114.3	6.02	15.32
8?	219.1	8.18	43.39

Custom dimensions and special machining are available upon request.

Applications & Industries Served

Our Duplex Stainless Steel pipes and tubes are trusted by leading companies and EPC contractors in a diverse range of industries. In the chemical processing sector, our products are used in reactors, heat exchangers, and piping systems exposed to aggressive acids and corrosive media. Oil and gas clients rely on our pipes and tubes for high-pressure and sour service, while desalination and marine industries specify Duplex Stainless Steel for its outstanding resistance to chloride stress corrosion and pitting. We also serve the power generation, pulp and paper, and water treatment industries, providing tailored solutions for each sector?s unique requirements.

Image: Oil & Gas Pipeline Site

Testing & Quality Assurance

Quality assurance is at the core of our manufacturing philosophy. Every Duplex Stainless Steel pipe and tube undergoes a rigorous inspection process, including dimensional checks, visual inspection, and a full suite of mechanical and non-destructive tests. Our laboratory is equipped with PMI analyzers, ultrasonic flaw detectors, hardness testers, and hydrostatic test rigs. We maintain full traceability for every product, from raw material to finished pipe or tube, and provide all necessary certificates, including EN 10204 3.1/3.2, as standard.

Packing, Delivery & Export Capabilities

We understand that safe and timely delivery is critical for project success. Our Duplex Stainless Steel pipes and tubes are packed in export-grade wooden cases or bundles, with each item clearly marked as per client and international requirements. Our logistics team manages all aspects of export documentation, including commercial invoices, packing lists, certificates of origin, and test certificates. We have established shipping partnerships that enable us to deliver to major ports in Africa, the Middle East, Southeast Asia, and Europe, ensuring that your order arrives on time and in perfect condition.

Image: Export Packaging Duplex Pipes

Exporting Duplex Stainless Steel Pipes and Tubes to Africa

As a leading Duplex Stainless Steel Pipes and Tubes Manufacturer in India, we have built a strong reputation for supplying high-quality pipes and tubes to major projects across Africa. Our export team understands the unique requirements of African industries and ensures smooth, timely deliveries with complete documentation and compliance. From oil and gas to power and infrastructure, our pipes and tubes are trusted by clients in Nigeria, Egypt, Kenya, South Africa, Ethiopia and beyond. To learn more about our specialized solutions for the continent, visit our Africa Duplex Stainless Steel Pipes and Tubes Exporter page.

Related Alloy Pipes and Tubes ? Super Duplex, Stainless Steel, Inconel, Hastelloy

In addition to Duplex Stainless Steel pipes and tubes, we are also recognized as a leading Super Duplex Pipes and Tubes Manufacturer in India, Stainless Steel Pipes and Tubes Manufacturer in India, Inconel Pipes and Tubes Manufacturer in India, and Hastelloy Pipes and Tubes Manufacturer in India. These specialty alloy pipes and tubes are engineered for extreme environments where superior corrosion resistance, high strength, or temperature stability is required. If your project demands advanced materials, our technical team can guide you in selecting the right alloy pipe or tube solution for your application.

Why Choose CEBEX STEEL INDIA?

Our clients choose CEBEX STEEL INDIA for our technical expertise, commitment to quality, and responsive service. We offer direct-from-manufacturer pricing, flexible order quantities, and comprehensive after-sales support. Our engineering team is available to assist with material selection, specification review, and custom design, ensuring that you receive the optimal solution for your application.

Frequently Asked Questions (FAQ)

What standards do your Duplex Stainless Steel pipes and tubes comply with?

All our pipes and tubes are manufactured in accordance with ASTM, ASME, EN, DIN, BS, JIS, and GOST standards, with full certification provided.

Can you supply pipes and tubes with material test certificates?

Yes, every shipment includes EN 10204 3.1/3.2 mill test certificates and additional test reports as required.

What is your typical delivery time for export orders?

Standard sizes are available ex-stock, while custom orders are delivered within 2?4 weeks, depending on quantity and complexity.

Do you offer custom pipe and tube manufacturing?

Absolutely. We can manufacture to your drawings and specifications, including special alloys and non-standard sizes.

How do you ensure quality and traceability?

Every pipe and tube is fully traceable, tested, and inspected at every stage, with complete documentation provided.