In the heart of Kinshasa, Yoane Steel stands as a trusted partner in the city’s growing infrastructure, providing robust and reliable materials to builders and fabricators across Congo. We understand the demands of modern construction, which is why we are proud to supply the exceptional Rockstar 450 Sheet and Plates. This high-strength steel is engineered specifically to meet the challenges of ambitious projects, offering the durability and performance needed to ensure structures are not only built but built to last, supporting the vision of a stronger tomorrow.
At its core, the Rockstar 450 is a high-strength, low-alloy steel with a carefully balanced composition that delivers excellent mechanical properties. It is known for its impressive yield strength of 450 MPa, which means it can withstand significant force before it begins to deform. This inherent toughness is paired with good formability and weldability, making it a practical and versatile choice for fabricators who need a material that is both strong and workable for their demanding applications.
Thickness :Â 6mm to 100mm
Width :Â 1,450mm to 2,450mm
Length :Â 6,000mm to 12,000mm
Production :Â Hot-Rolled (HR) / Cold-Rolled (CR)
Heat Treatment :Â N, Q+T
Surface Paint :Â EP, PE, HDP, SMP, PVDF
| Plate Thickness | mm | 6.0 – 20.0 | 21.0 – 32.0 | 32.1 – 50.0 | 50.1 – 75.0 |
|---|---|---|---|---|---|
| C | Max % | 0.16 | 0.18 | 0.22 | 0.22 |
| Mn | Max % | 1.60 | 1.60 | 1.60 | 1.60 |
| P | Max % | 0.025 | 0.025 | 0.025 | 0.025 |
| S | Max % | 0.010 | 0.010 | 0.010 | 0.010 |
| Si | Max % | 0.70 | 0.70 | 0.70 | 0.70 |
| Cr | Max % | 0.50 | 1.00 | 1.40 | 1.40 |
| Ni | Max % | 0.25 | 0.25 | 0.50 | 0.50 |
| Mo | Max % | 0.25 | 0.25 | 0.60 | 0.60 |
| B | Max % | 0.0040 | 0.0040 | 0.0040 | 0.0040 |
| CE | Max % | 0.45 | 0.48 | 0.57 | 0.65 |
| PCM | Max % | 0.28 | 0.29 | 0.33 | 0.40 |
| 360-430 BHN (On a milled surface 0.5-2 mm below the plate surface) | |
|---|---|
| Hardness | Typical values for 20 mm |
| Yield Strength (MPa) | 1000 |
| Tensile Strength (MPa) | 1250 |
| % Elongation (L0=50 mm) | 12 |
| Impact at -30°C (In Joules) | 40 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
The strength and versatility of Rockstar 450 Sheet and Plates make it an ideal choice for a wide array of critical applications. You will commonly find it forming the backbone of industrial structures, from the robust frames of warehouses and factory buildings to heavy-duty storage racks and support platforms. It’s also an excellent material for constructing truck bodies, trailers, and various mining and agricultural equipment that must endure harsh conditions and heavy loads, proving its value wherever resilience is a non-negotiable requirement.
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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