- sales@samiapipes.com
- Tunis, Tunisia
Home > Duplex Steel > Duplex Steel Tubing
Samia Pipes and Tubes is a trusted manufacturer and supplier of Duplex Steel Tubing, based in Tunis, Tunisia. Designed for industries that demand toughness and reliability, this tubing delivers high strength and exceptional resistance to corrosion. Produced with advanced manufacturing techniques, precise dimensional control, and strict quality inspection, Samia Pipes and Tubes provides tubing that performs flawlessly under high pressure, harsh chemicals, and challenging temperatures. Ideal for critical applications, the company’s duplex steel tubing offers durability, safety, and long-term reliability, making it the go-to choice for oil and gas, chemical, marine, and industrial systems.
Duplex Steel Tubing features a balanced microstructure, consisting of about 50% austenite and 50% ferrite, along with elements like chromium, nickel, molybdenum, and nitrogen. This unique blend grants it impressive strength and outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. Its mechanical properties showcase superior tensile and yield strength compared to traditional stainless steels, while still maintaining good toughness and weldability. The dual-phase structure not only enhances durability but also minimizes the risk of brittleness, ensuring excellent performance even in harsh operating conditions, making it a dependable choice for demanding industries.
| Size | : | 1/2″NB TO 12 “NB IN |
| Standards | : | ASTM A 790 ASME SA 790 |
| Grades | : | (Duplex UNS S31803), UNS 2UNS S32205 (Duplex UNS S32205) |
| Length | : | Single Random, Double Random & Cut Length |
| Type | : | Seamless / ERW / Welded / Fabricated |
| Form | : | Round, Hydraulic Etc |
| Schedule | : | SCH20, SCH30, SCH40, STD, SCH80 |
| Chemical Composition % | ||||
| Cr | Ni | Mo | C | N |
| 22.0-23.0 | 4.50-6.50 | 3.00-3.50 | .030 Max | 0.14-0.20 |
| Mn | Si | P | S | Fe |
| 2.00 Max | 1.00 Max | .030 Max | .020 Max | Balance |
| Duplex Stainless Steel | Tubing |
| Density | 7.805 |
| Melting Range,℃ | 1450 ℃ |
| Elongation % | 25 min. |
| Tensile Strength (Mpa) | 655 |
| Yield Strngth (Mpa) | 450 |
| Hardness (Brinell) | 293 max |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Duplex Steel Tubes from Samia Pipes and Tubes ensures superior quality and durability, offering outstanding corrosion resistance and high strength. Our dedication to delivering exceptional service and reliable products guarantees customer satisfaction across a wide range of industrial applications. With our expertise in Duplex steel solutions, you can trust us to provide a top-tier, customized piping solution that meets your specific requirements.
Samia Pipes and Tubes, one of the largest suppliers of Duplex Steel Tubing in the Tuniss, Tunisia. Offers a wide range of high-quality pipes and tubes designed for various industrial applications. Their extensive inventory and dedication to exceptional service make them a trusted choice for Duplex steel products in the region, delivering reliable solutions to meet diverse project requirements.
Yes, we provide custom sizes for Duplex Steel Tubes to meet your specific requirements. At Samia Pipes and Tubes, our team is dedicated to delivering tailored solutions for all your piping and tubing needs. For more information, please contact us at sales@samiapipes.com.
Duplex Steel Tubing is extensively utilized in sectors that require exceptional strength and corrosion resistance. It’s particularly favored in oil and gas pipelines, subsea systems, and offshore platforms due to its resilience in chloride-rich environments. Additionally, this tubing finds applications in desalination plants, chemical processing units, heat exchangers, and the pulp and paper industries, where resistance to erosion and corrosion is vital. Its capability to handle high pressure and extreme temperatures makes it an ideal option for power generation and marine applications, guaranteeing longevity, safety, and cost-effectiveness in challenging industrial operations.
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