Hardness of Steel
Fastener hardness of steel
Hardness of steels used in fastener manufacturing
Hardness of Steel vickers brinell rockwell
HB | HV | HRC | ||||
---|---|---|---|---|---|---|
Brinell | Vickers | Rockwell | tonf/in² | kgf/mm² | Nmm² | |
569 | 53.5 | 120 | ||||
514 | 547 | 52.0 | 117 | |||
495 | 528 | 51.0 | 114 | |||
477 | 508 | 49.5 | 105 | |||
461 | 491 | 48.5 | 101 | 160 | 1569 | |
444 | 474 | 47.0 | 98 | 155 | 1520 | |
429 | 455 | 45.5 | 95 | 150 | 1471 | |
415 | 440 | 44.5 | 92 | 145 | 1422 | |
401 | 425 | 43.0 | 88 | 139 | 1363 | |
388 | 410 | 42.0 | 85 | 134 | 1314 | |
375 | 396 | 40.5 | 82 | 129 | 1265 | 12.9 |
363 | 383 | 39.0 | 80 | 126 | 1236 | |
352 | 372 | 38.0 | 77 | 121 | 1187 | |
341 | 360 | 36.5 | 75 | 118 | 1157 | |
331 | 350 | 35.5 | 73 | 114 | 1118 | |
321 | 339 | 34.5 | 71 | 111 | 1089 | 10.9 |
311 | 328 | 33.0 | 68 | 107 | 1049 | |
302 | 319 | 32.0 | 66 | 104 | 1020 | |
293 | 309 | 31.0 | 64 | 101 | 990 | |
285 | 301 | 30.0 | 63 | 99 | 971 | |
277 | 292 | 29.0 | 61 | 96 | 941 | |
269 | 284 | 27.5 | 59 | 93 | 912 | |
262 | 276 | 26.5 | 58 | 91 | 892 | 8.8 |
255 | 269 | 25.5 | 56 | 89 | 873 | |
248 | 261 | 24.0 | 55 | 87 | 853 | |
241 | 253 | 23.0 | 53 | 84 | 824 | |
235 | 247 | 22.0 | 51 | 81 | 794 | |
229 | 241 | 20.5 | 50 | 79 | 775 | |
223 | 235 | 20.0 | 49 | 77 | 755 | |
217 | 228 | 19.0 | 48 | 76 | 745 | |
212 | 223 | 18.0 | 46 | 73 | 716 |