| Material number | 1.0448 |
| Designation | HC300P |
| Former designation | ZStE300P |
| Standard | EN 10268 |
| Category | Phosphorlegierter höherfester Stahl |
| Density | 7,85 g/cm³ |
| Magnetism | ja |
| Equivalent grades | ZSTE300P,H300PD |
| Comparable standard grade | DC03 |
| C | ≤ 0,10 |
| Si | ≤ 0,50 |
| Mn | ≤ 0,70 |
| P | ≤ 0,12 |
| S | ≤ 0,03 |
| Al | ≥ 0,02 |
| Yield strength Re (min) | 300 N/mm² |
| Tensile strength Rm | 400–480 N/mm² |
| Elongation at break A (min) | 26 % |
| Young's modulus | 210 GPa |
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