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Samia Pipes and Tubes is a trusted manufacturer and supplier based in Tunis, Tunisia, known for delivering reliable piping solutions that industries can depend on. With a strong focus on quality, consistency, and customer satisfaction, we specialize in Carbon Steel DIN 17121 Pipes that meet international standards and real-world demands. Our experienced team understands that every project matters, whether large or small. By combining modern manufacturing practices with careful quality control, we ensure pipes that perform safely, last longer, and support our clients’ success across diverse industrial applications.
Carbon Steel DIN 17121 Pipes are produced using high-quality carbon steel with controlled amounts of carbon, manganese, silicon, and trace elements. This balanced composition provides excellent strength, toughness, and durability. The pipes exhibit good tensile strength, yield strength, and elongation, allowing them to withstand pressure, mechanical stress, and moderate temperatures. Their reliable hardness and impact resistance make them suitable for demanding environments. These mechanical properties ensure consistent performance, ease of fabrication, and dependable service life in both structural and industrial uses.
| Product Type | EN-10025-2 Grade ST52-3 square Tube |
| Specification | OD15*15mm-400*400mm |
| OD | 30*30 – 600*600 mm |
| Wall Thickness | 0.5 – 20 mm |
| Standard | API, ASTM, BS, DIN, GB, JIS |
| Steel material | Q195. Q215, Q235, Q345 |
| Size length | 15mm-400mm, WT: 0.313mm |
| Surface Treatment | Bared, Black Painted (varnish coating), Galvanized, With Oiled, 3 PE, FBE, corrosion resistant coating |
| Section Shape | Square and rectangular |
| C | Si | Mn | P | S | N | Cu | CEV |
| max 0.24 | max 0.55 | max 1.6 | max 0.04 | max 0.04 | max 0.012 | max 0.55 | max 0.47 |
| Minimum yield strength Reh MPa | Tensile strength Rm MPa | Minimum elongation – A Lo = 5,65 * √So (%) | Notch impact test | |||||||||||
| Steel grade | Nominal thickness mm | Nominal thickness mm | Nominal thickness mm | Temperature | Min. absorbed energy | |||||||||
| ≤16 | >16 ≤40 | >40 ≤63 | >63 ≤80 | >80 ≤100 | >100 ≤125 | >3 ≤100 | >100 ≤125 | >3 ≤40 | >40 ≤63 | >63 ≤100 | >100 ≤125 | °C | J | |
| ST52-3 | 355 | 345 | 335 | 325 | 315 | 295 | 470-630 | 450-600 | 22 | 21 | 20 | 18 | -20 | 27 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Carbon Steel DIN 17121 pipes from Samia Pipes and Tubes ensures exceptional quality and reliability for your industrial applications. As a trusted manufacturer and supplier in Tunis, Tunisia, we adhere to stringent industry standards, providing pipes that offer superior strength, durability, and performance. Our DIN 17121 pipes are designed for versatility, making them suitable for various applications, including oil and gas, chemical processing, and mechanical engineering. With a commitment to customer satisfaction, we deliver competitive pricing, expert guidance, and timely service, making Samia Pipes and Tubes your preferred partner for high-performance piping solutions.
Samia Pipes and Tubes is one of the largest Carbon Steel DIN 17121 Pipes suppliers in Tunis, Tunisia, providing a comprehensive range of high-quality pipes tailored for various industries, ensuring reliable delivery and exceptional service to meet diverse project needs.
Yes, we offer custom sizes for Carbon Steel DIN 17121 Pipes to meet your specific requirements. Our team at Samia Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@samiapipes.com.
Carbon Steel DIN 17121 Pipes are widely used in industries where strength and reliability are essential. They are commonly applied in structural construction, mechanical engineering, pressure systems, and general industrial piping. These pipes are also suitable for transporting fluids, gases, and steam under controlled conditions. Thanks to their weldability and formability, they are preferred in fabrication workshops and infrastructure projects. From factories and power plants to commercial buildings, these pipes quietly support everyday operations, providing safe, stable, and long-lasting performance where it matters most.
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