Conversion Table
| HB |
HRC |
HRB |
HV |
Rm (Tensile Strength) |
| Brinell Hardness |
Rockwell |
Rockwell |
Vickers |
N/mm² |
| 800 |
72 |
|
|
|
| 780 |
71 |
|
|
|
| 760 |
70 |
|
|
|
| 752 |
69 |
|
|
|
| 745 |
68 |
|
|
|
| 746 |
67 |
|
|
|
| 735 |
66 |
|
|
|
| 711 |
65 |
|
|
|
| 695 |
64 |
|
|
|
| 681 |
63 |
|
|
|
| 658 |
62 |
|
|
|
| 642 |
61 |
|
|
|
| 627 |
60 |
|
|
|
| 613 |
59 |
|
|
|
| 601 |
58 |
|
746 |
|
| 592 |
57 |
|
727 |
|
| 572 |
56 |
|
694 |
|
| 552 |
55 |
|
649 |
|
| 534 |
54 |
120 |
589 |
|
| 513 |
53 |
119 |
567 |
|
| 504 |
52 |
118 |
549 |
|
| 486 |
51 |
118 |
531 |
|
| 469 |
50 |
117 |
505 |
|
| 468 |
49 |
117 |
497 |
|
| 456 |
48 |
116 |
490 |
1569 |
| 445 |
47 |
115 |
474 |
1520 |
| 430 |
46 |
115 |
458 |
1471 |
| 419 |
45 |
114 |
448 |
1447 |
| 415 |
44 |
114 |
438 |
1422 |
| 402 |
43 |
114 |
424 |
1390 |
| 388 |
42 |
113 |
406 |
1363 |
| 375 |
41 |
112 |
393 |
1314 |
| 373 |
40 |
111 |
388 |
1265 |
| 360 |
39 |
111 |
376 |
1236 |
| 348 |
38 |
110 |
361 |
1187 |
| 341 |
37 |
109 |
351 |
1157 |
| 331 |
36 |
109 |
342 |
1118 |
| 322 |
35 |
108 |
332 |
1089 |
| 314 |
34 |
108 |
320 |
1049 |
| 308 |
33 |
107 |
311 |
1035 |
| 300 |
32 |
107 |
303 |
1020 |
| 290 |
31 |
106 |
292 |
990 |
| 277 |
30 |
105 |
285 |
971 |
| 271 |
29 |
104 |
277 |
941 |
| 264 |
28 |
103 |
271 |
892 |
| 262 |
27 |
103 |
262 |
880 |
| 255 |
26 |
102 |
258 |
870 |
| 250 |
25 |
101 |
255 |
853 |
| 245 |
24 |
100 |
252 |
838 |
| 240 |
23 |
100 |
247 |
824 |
| 233 |
22 |
99 |
241 |
794 |
| 229 |
21 |
98 |
235 |
775 |
| 223 |
20 |
97 |
227 |
755 |
| 216 |
19 |
96 |
222 |
716 |
| 212 |
18 |
95 |
218 |
706 |
| 208 |
17 |
95 |
210 |
696 |
| 203 |
16 |
94 |
201 |
680 |
| 199 |
15 |
93 |
199 |
667 |
| 191 |
14 |
92 |
197 |
657 |
| 190 |
13 |
92 |
186 |
648 |
| 186 |
12 |
91 |
184 |
637 |
| 183 |
11 |
90 |
183 |
617 |
| 180 |
10 |
89 |
180 |
608 |
| 175 |
9 |
88 |
178 |
685 |
| 170 |
7 |
87 |
175 |
559 |
| 167 |
6 |
86 |
172 |
555 |
| 166 |
5 |
86 |
168 |
549 |
| 163 |
4 |
85 |
162 |
539 |
| 160 |
3 |
84 |
160 |
535 |
| 156 |
2 |
83 |
158 |
530 |
| 154 |
1 |
82 |
152 |
515 |
| 149 |
|
81 |
149 |
500 |
| 147 |
|
80 |
147 |
490 |
| 143 |
|
79 |
146 |
482 |
| 141 |
|
78 |
144 |
481 |
| 139 |
|
77 |
142 |
480 |
| 137 |
|
76 |
140 |
475 |
| 135 |
|
75 |
137 |
467 |
| 131 |
|
74 |
134 |
461 |
| 127 |
|
72 |
129 |
451 |
| 121 |
|
70 |
127 |
431 |
| 116 |
|
68 |
124 |
422 |
| 114 |
|
67 |
121 |
412 |
| 111 |
|
66 |
118 |
402 |
| 107 |
|
64 |
115 |
382 |
| 105 |
|
62 |
112 |
378 |
| 103 |
|
61 |
108 |
373 |
| 95 |
|
56 |
104 |
|
| 90 |
|
52 |
95 |
|
| 81 |
|
41 |
85 |
|
| 76 |
|
37 |
80 |
|
