Based in the heart of Kinshasa, Yoane Steel stands as a trusted partner for industry, dedicated to providing robust and reliable steel solutions. We specialize in supplying high-quality S355jr steel sheets and plates, serving as a cornerstone for the dynamic construction and manufacturing sectors across the Congo. Our commitment is to deliver not just materials, but the foundational strength that fuels local development, ensuring your projects are built on a foundation of excellence and durability that meets the rigorous demands of modern engineering.
S355jr steel is known for its excellent balance of strength and versatility. Its composition, primarily iron with carefully controlled additions of carbon, manganese, and silicon, results in impressive mechanical properties. This structural steel offers a minimum yield strength of 355 megapascals, providing exceptional resistance to bending and stress. It also maintains good weldability and toughness, even at lower temperatures, making it a dependable choice for a wide range of challenging environments and fabrication processes.
Item : S355JR – Offshore & Structural Steel Plate
Thickness : 5mm-150mm
Width : 1000mm-4500mm
Length : 3000mm-18000mm or as custom’s request
Material : En 10025-2 Steel Plate, S355JR Steel Plate
Technique : hot rolled
Standard : EN 10025-2:2004
| Grade | C | Mn | Si | P | S | N | Cu | CEV |
| S355JR | 0.24 max. | 1.6 max. | 0.55 max. | 0.04 max. | 0.04 max. | 0.012 max. | 0.55 max. | 0.47 max. |
| Grade | Thickness (mm) | Min Yield (Mpa) | Tensile (Mpa) | Elongation (%) | Min Impact Energy | |
| S355JR | 8mm-100mm | 315-355 Mpa | 450-630 Mpa | 18-20% | 20 | 27J |
| 101mm-200mm | 285-295 Mpa | 450-600 Mpa | 18% | 20 | 27J | |
| 201mm-400mm | 275 Mpa | – | 17% | 20 | 27J | |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
The versatility of S355jr sheets and plates makes them indispensable across numerous fields. They form the core framework for major construction projects like bridges, commercial buildings, and industrial facilities, providing essential skeletal support. In manufacturing, this steel is fabricated into heavy-duty machinery, reliable storage units, and robust vehicle chassis. Its dependable performance also makes it ideal for infrastructure projects, from sturdy guardrails to supportive platforms, ensuring safety and longevity in everything from large-scale public works to specialized industrial equipment.
Yoane Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Kinshasa, Congo.
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