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Bulan Pipes and Tubes, based in Jakarta, Indonesia, has earned a solid reputation as a reliable manufacturer and supplier of Carbon Steel DIN 17121 Pipes. These pipes are widely utilized in structural engineering and mechanical applications. Crafted in accordance with the DIN 17121 German standard, they come in both seamless and welded varieties, making them perfect for building structures, construction frameworks, and various mechanical systems. Renowned for their impressive strength, precise dimensions, and excellent weldability, DIN 17121 pipes are essential for supporting loads in civil engineering and industrial settings. Bulan provides these pipes in several grades, including St44.0, St52.0, and St37.0, all tailored to meet the specific needs of demanding projects.
DIN 17121 Carbon Steel Pipes are made from non-alloy structural steels, featuring compositions that include Carbon (0.17–0.22%), Manganese (≤1.60%), Phosphorus (≤0.045%), and Sulfur (≤0.045%). Depending on the grade, these pipes offer yield strengths ranging from 235 to 355 MPa and tensile strengths from 340 to 630 MPa. These characteristics ensure they have excellent load-bearing capabilities, impact resistance, and ductility. DIN 17121 pipes are also well-suited for welding, cutting, bending, and machining, making them versatile options for structural and mechanical fabrication where reliable performance under stress is crucial.
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 Bulan Pipes and Tubes ensures exceptional quality and reliability for your industrial applications. As a trusted manufacturer and supplier in Indonesia, Jakarta, 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 Bulan Pipes and Tubes your preferred partner for high-performance piping solutions.
Bulan Pipes and Tubes is one of the largest Carbon Steel DIN 17121 Pipes suppliers in Indonesia, Jakarta, 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 Bulan Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@bulanpipes.id.
Carbon Steel DIN 17121 Pipes find their primary applications in construction, infrastructure projects, and mechanical systems. They are commonly used in steel structures, bridge supports, machinery frames, and industrial platforms. Their strong performance and ease of fabrication make them ideal for cranes, conveyors, transport equipment, and architectural frameworks. Additionally, these pipes are utilized in agricultural machinery, automotive chassis, and light mechanical fabrication. Thanks to their weldability and strength, DIN 17121 pipes are a preferred choice for applications that demand stiffness, dimensional stability, and cost-effectiveness.
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