Hardened & Tempered Steel Strips
Hardness Conversion Chart
| Vickers Hardness HV / VPN | Rockwell Hardness HRB | Rockwell Hardness HRC | Tensile Strength N/mm² | Tensile Strength kgf/mm² |
|---|
| 591 | 120 | 54.5 | 1940 | 198 |
| 569 | 119 | 53.5 | 1880 | 192 |
| 547 | 119 | 52 | 1792 | 183 |
| 528 | 117 | 51 | 1740 | 177 |
| 508 | 117 | 49.5 | 1655 | 169 |
| 491 | 116 | 48.5 | 1595 | 1963 |
| 474 | 115 | 47 | 1520 | 155 |
| 455 | 115 | 45.5 | 1471 | 150 |
| 440 | 114 | 44.5 | 1422 | 145 |
| 425 | 113 | 43 | 1363 | 139 |
| 410 | 112 | 42 | 1314 | 134 |
| 396 | 112 | 40.5 | 1265 | 129 |
| 383 | 110 | 39 | 1236 | 126 |
| 372 | 110 | 38 | 1187 | 121 |
| 360 | 109 | 36.5 | 1363 | 139 |
| 425 | 113 | 43 | 1157 | 118 |
| 350 | 109 | 35.5 | 1118 | 114 |
| 339 | 108 | 34.5 | 1118 | 114 |
| 328 | 108 | 33 | 1049 | 107 |
| 319 | 107 | 32 | 1020 | 104 |
| 309 | 106 | 31 | 990 | 101 |
