Kennwerte laut voestalpine Data Sheet 'Hot-rolled steel strip for the automotive industry' (EN-220223), Tabelle Mechanical properties. Re/Rm sind Spannen; hier die Untergrenze Re und die Rm-Spanne.
| Designation | HR440Y580T-FB |
| Standard | VDA 239-100 |
| Category | Warmgewalzter ferritisch-bainitischer Mehrphasenstahl (FB) |
| Equivalent grades | HR440Y580T |
| Yield strength Re (min) | 440 N/mm² |
| Tensile strength Rm | 580–700 N/mm² |
| Elongation at break A (min) | 15 % |
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