TABELLE DE CONVERSION
| Hv | Hb | N/mm2 |
HRB |
HRC |
| 850 | 679 | 65.1 | ||
| 860 | 682 | 65.4 | ||
| 870 | 686 | 65.8 | ||
| 880 | 689 | 66.1 | ||
| 890 | 693 | 66.5 | ||
| 900 | 696 | 66.8 | ||
| 910 | 699 | 67.2 | ||
| 920 | 702 | 67.5 | ||
| 930 | 705 | 67.8 | ||
| 940 | 708 | 68.1 | ||
| 950 | 711 | 68.4 | ||
| 960 | 713 | 68.7 | ||
| 970 | 716 | 69 | ||
| 980 | 718 | 69.3 | ||
| 990 | 720 | 69.6 | ||
| 1000 | 722 | 69.9 |