|
Hardness Corvension Table |
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|
Rockwell |
Vickers |
Brinell |
|
Rockwell |
Vickers |
Brinell |
|
Rockwell |
Vickers |
Brinell |
|||
|
HRC |
HRA |
HV |
HB30D2 |
|
HRC |
HRA |
HV |
HB30D2 |
|
HRC |
HRA |
HV |
HB30D2 |
|
70 |
86.6 |
1037 |
|
|
51 |
76.3 |
525 |
(501) |
|
32 |
|
304 |
298 |
|
69.5 |
86.3 |
1017 |
|
|
50.5 |
76.1 |
517 |
494 |
|
31.5 |
|
300 |
294 |
|
69 |
86.1 |
997 |
|
|
50 |
75.8 |
509 |
488 |
|
31 |
|
296 |
291 |
|
68.5 |
85.8 |
978 |
|
|
49.5 |
75.5 |
501 |
481 |
|
30.5 |
|
292 |
287 |
|
68 |
85.5 |
959 |
|
|
49 |
75.3 |
493 |
474 |
|
30 |
|
289 |
283 |
|
67.5 |
85.2 |
941 |
|
|
48.5 |
75 |
485 |
468 |
|
29.5 |
|
285 |
280 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
67 |
85 |
923 |
|
|
48 |
74.7 |
478 |
461 |
|
29 |
|
281 |
276 |
|
66.5 |
84.7 |
906 |
|
|
47.5 |
74.5 |
470 |
455 |
|
28.5 |
|
278 |
273 |
|
66 |
84.4 |
889 |
|
|
47 |
74.2 |
463 |
449 |
|
28 |
|
274 |
269 |
|
65.5 |
84.1 |
872 |
|
|
46.5 |
73.9 |
456 |
442 |
|
27.5 |
|
271 |
266 |
|
65 |
83.9 |
856 |
|
|
46 |
73.7 |
449 |
436 |
|
27 |
|
268 |
263 |
|
64.5 |
83.6 |
840 |
|
|
45.5 |
73.4 |
443 |
430 |
|
26.5 |
|
264 |
260 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
64 |
83.3 |
825 |
|
|
45 |
73.2 |
436 |
424 |
|
26 |
|
261 |
257 |
|
63.5 |
83.1 |
810 |
|
|
44.5 |
72.9 |
429 |
418 |
|
25.5 |
|
258 |
254 |
|
63 |
82.8 |
795 |
|
|
44 |
72.6 |
423 |
413 |
|
25 |
|
255 |
251 |
|
62.5 |
82.5 |
780 |
|
|
43.5 |
72.4 |
417 |
407 |
|
24.5 |
|
252 |
248 |
|
62 |
82.2 |
766 |
|
|
43 |
72.1 |
411 |
401 |
|
24 |
|
249 |
245 |
|
61.5 |
82 |
752 |
|
|
42.5 |
71.8 |
405 |
396 |
|
23.5 |
|
246 |
242 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
61 |
81.7 |
739 |
|
|
42 |
71.6 |
399 |
391 |
|
23 |
|
243 |
240 |
|
60.5 |
81.4 |
726 |
|
|
41.5 |
71.3 |
393 |
385 |
|
22.5 |
|
240 |
237 |
|
60 |
81.2 |
713 |
|
|
41 |
71.1 |
388 |
380 |
|
22 |
|
237 |
234 |
|
59.5 |
80.9 |
700 |
|
|
40.5 |
70.8 |
382 |
375 |
|
21.5 |
|
234 |
232 |
|
59 |
80.6 |
688 |
|
|
40 |
70.5 |
377 |
370 |
|
21 |
|
231 |
229 |
|
58.5 |
80.3 |
676 |
|
|
39.5 |
70.3 |
372 |
365 |
|
20.5 |
|
229 |
227 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
58 |
80.1 |
664 |
|
|
39 |
70 |
367 |
360 |
|
20 |
|
226 |
225 |
|
57.5 |
79.8 |
653 |
|
|
38.5 |
|
362 |
355 |
|
19.5 |
|
223 |
222 |
|
57 |
79.5 |
642 |
|
|
38 |
|
357 |
350 |
|
19 |
|
221 |
220 |
|
56.5 |
79.3 |
631 |
|
|
37.5 |
|
352 |
345 |
|
18.5 |
|
218 |
218 |
|
56 |
79 |
620 |
|
|
37 |
|
347 |
341 |
|
18 |
|
216 |
216 |
|
55.5 |
78.7 |
609 |
|
|
36.5 |
|
342 |
336 |
|
17.5 |
|
214 |
214 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
55 |
78.5 |
599 |
|
|
36 |
|
338 |
332 |
|
17 |
|
211 |
211 |
|
54.5 |
78.2 |
589 |
|
|
35.5 |
|
333 |
327 |
|
|
|
|
|
|
54 |
77.9 |
579 |
|
|
35 |
|
329 |
323 |
|
|
|
|
|
|
53.5 |
77.7 |
570 |
|
|
34.5 |
|
324 |
318 |
|
|
|
|
|
|
53 |
77.4 |
561 |
|
|
34 |
|
320 |
314 |
|
|
|
|
|
|
52.5 |
77.1 |
551 |
|
|
33.5 |
|
316 |
310 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
52 |
76.9 |
543 |
|
|
33 |
|
312 |
306 |
|
|
|
|
|
|
51.5 |
76.6 |
534 |
|
|
32.5 |
|
308 |
302 |
|
|
|
|
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