STEEL HARDNESS CONVERSION CALCULATOR
Reference table: Steel hardness conversion table – all values are approximate.
Hardness HV | Hardness HB | Hardness HRB | HRC-hardness | MPa |
---|---|---|---|---|
115 | 109 | 65 | 390 | |
120 | 114 | 67 | 410 | |
125 | 119 | 69 | 420 | |
130 | 124 | 71 | 440 | |
135 | 128 | 73 | 450 | |
140 | 133 | 75 | 470 | |
145 | 138 | 77 | 480 | |
150 | 143 | 79 | 500 | |
155 | 147 | 81 | 510 | |
160 | 152 | 82 | 530 | |
165 | 157 | 84 | 540 | |
170 | 162 | 85 | 550 | |
175 | 166 | 86 | 570 | |
180 | 171 | 87 | 580 | |
185 | 176 | 89 | 600 | |
190 | 181 | 90 | 610 | |
195 | 185 | 91 | 630 | |
200 | 190 | 92 | 650 | |
205 | 195 | 93 | 660 | |
210 | 200 | 94 | 680 | |
215 | 204 | 95 | 690 | |
220 | 209 | 96 | 710 | |
225 | 214 | 96 | 720 | |
230 | 219 | 740 | ||
235 | 223 | 750 | ||
240 | 228 | 20 | 770 | |
245 | 233 | 21 | 780 | |
250 | 236 | 22 | 800 | |
255 | 242 | 23 | 820 | |
260 | 247 | 24 | 830 | |
265 | 252 | 25 | 850 | |
270 | 257 | 27 | 860 | |
275 | 261 | 26 | 880 | |
280 | 266 | 27 | 890 | |
285 | 271 | 28 | 910 | |
290 | 276 | 29 | 930 | |
295 | 280 | 29 | 940 | |
300 | 285 | 30 | 960 | |
310 | 295 | 31 | 990 | |
320 | 304 | 32 | 1020 | |
330 | 314 | 33 | 1060 | |
340 | 323 | 34 | 1090 | |
350 | 333 | 36 | 1120 | |
360 | 342 | 37 | 1160 | |
370 | 352 | 38 | 1190 | |
380 | 361 | 39 | 1220 | |
390 | 371 | 40 | 1260 | |
400 | 380 | 41 | 1290 | |
410 | 390 | 42 | 1330 | |
420 | 399 | 43 | 1360 | |
430 | 409 | 44 | 1400 | |
440 | 418 | 45 | 1430 | |
450 | 423 | 45 | 1470 | |
460 | 432 | 46 | 1500 | |
470 | 442 | 47 | 1540 | |
480 | 450 | 48 | 1570 | |
490 | 456 | 48 | 1610 | |
500 | 466 | 49 | 1650 | |
510 | 475 | 50 | 1680 | |
520 | 483 | 51 | 1720 | |
530 | 492 | 51 | 1760 | |
540 | 500 | 52 | 1790 | |
550 | 509 | 52 | 1830 | |
560 | 517 | 53 | 1870 | |
570 | 526 | 54 | 1910 | |
580 | 535 | 54 | 1940 | |
590 | 543 | 55 | 1980 | |
600 | 552 | 55 | 2020 | |
610 | 560 | 56 | 2060 | |
620 | 569 | 56 | 2100 | |
630 | 577 | 57 | 2140 | |
640 | 586 | 57 | 2180 | |
650 | 58 | 2220 | ||
660 | 58 | |||
670 | 59 | |||
680 | 59 | |||
690 | 60 | |||
700 | 60 | |||
720 | 61 | |||
740 | 62 | |||
760 | 63 | |||
780 | 63 | |||
800 | 64 | |||
820 | 65 | |||
840 | 65 |