Thanks to the combination of high strength and excellent workability, our high-yield-strength and laser-cutting steels give life to precise, reliable components ready for innovation.
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Available according to EN 10025-2, EN 10149-2 and EN 10149-3 standards, heavy plates by Marcegaglia Plates for high-yield applications combine mechanical strength, ductility and formability, ensuring outstanding performance in laser cutting, bending and cold forming processes.
Grades S355J2+N and S355K2+N (laser) ensure excellent workability, with clean edges and uniform surfaces, while our high-yield steels S355MC, S420MC and S460MC, together with normalized grades S355NC and S420NC, offer structural lightness, stability and reliability for applications requiring precision and high-performance forming.
Thanks to these characteristics, our heavy plates represent the ideal solution for complex structural and industrial components, where strength and design freedom merge in perfect balance.




Steel that adapts to every project
Marcegaglia Plates offers materials that respond precisely to forming and design requirements, while maintaining long-term stability and metallurgical consistency.
Steel thus becomes a creative partner in design, combining aesthetic freedom with structural safety.
| Manufacturing standard | Product designation | GRADE |
|---|---|---|
| EN 10025-2 | Structural steels for general purposes | S355J2+N, S355K2+N (laser) |
| EN 10149-2 | Hot-rolled flat products for high-yield strength and cold forming – thermomechanically rolled | S355MC, S420MC, S460MC |
| EN 10149-3 | Hot-rolled flat products for high-yield strength and cold forming – normalized or normalized rolled | S355NC, S420NC |
(*) Available with CE marking
Our structural steels are used in transport infrastructure, road and railway bridges, major civil engineering works and architectural projects, ensuring reliability even in harsh environments or where dynamic loads are involved.
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