 |
|
Steel
Hardness Conversion Table |
|
 |
|
|
Vickers |
Brinell |
|
Rockwell |
|
Shore |
|
Vickers |
Brinell |
|
Rockwell |
|
Shore |
| |
10
mm |
3,000kgf |
B
Scale |
C
Scale |
|
|
|
10
mm |
3,000
kgf |
B
Scale |
C
Scale |
|
| Hv |
|
W.C |
HRB |
HRC |
Hs |
|
Hv |
|
W.C |
HRB |
HRC |
Hs |
| 940 |
|
|
|
68.0 |
97 |
|
410 |
388 |
388 |
|
41.8 |
|
| 920 |
|
|
|
67.5 |
96 |
|
400 |
379 |
379 |
|
40.8 |
55 |
| 900 |
|
|
|
67.0 |
95 |
|
390 |
369 |
369 |
|
39.8 |
|
| 880 |
|
767 |
|
66.4 |
93 |
|
380 |
360 |
360 |
(110.0) |
38.8 |
52 |
| 860 |
|
757 |
|
65.0 |
92 |
|
370 |
350 |
350 |
|
37.7 |
|
| 840 |
|
745 |
|
65.9 |
91 |
|
360 |
341 |
341 |
(109.0) |
36.6 |
50 |
| 820 |
|
733 |
|
64.7 |
90 |
|
350 |
331 |
331 |
|
35.5 |
|
| 800 |
|
722 |
|
64.0 |
88 |
|
340 |
322 |
322 |
(108.0) |
34.4 |
47 |
| 780 |
|
710 |
|
63.3 |
87 |
|
330 |
313 |
313 |
|
33.3 |
|
| 760 |
|
698 |
|
62.5 |
86 |
|
320 |
303 |
303 |
(107.0) |
32.2 |
45 |
| 740 |
|
684 |
|
61.8 |
84 |
|
310 |
294 |
294 |
|
31 |
|
| 720 |
|
670 |
|
61.0 |
83 |
|
300 |
284 |
284 |
(105.0) |
29.8 |
42 |
| 700 |
|
656 |
|
60.1 |
81 |
|
295 |
280 |
280 |
|
29.2 |
|
| 690 |
|
647 |
|
59.7 |
|
|
290 |
275 |
275 |
(104.0) |
28.5 |
41 |
| 680 |
|
638 |
|
59.2 |
80 |
|
285 |
270 |
270 |
|
27.8 |
|
| 670 |
|
630 |
|
58.8 |
|
|
280 |
265 |
265 |
(103.5) |
27.1 |
40 |
| 660 |
|
620 |
|
58.3 |
79 |
|
275 |
261 |
261 |
|
26.4 |
|
| 650 |
|
611 |
|
57.8 |
|
|
270 |
256 |
256 |
(102.0) |
25.6 |
38 |
| 640 |
|
601 |
|
57.3 |
77 |
|
265 |
252 |
252 |
|
24.8 |
|
| 630 |
|
591 |
|
56.8 |
|
|
260 |
247 |
247 |
(101.0) |
24 |
37 |
| 620 |
|
582 |
|
56.3 |
75 |
|
255 |
243 |
243 |
|
23.1 |
|
| 610 |
|
573 |
|
55.7 |
|
|
250 |
238 |
238 |
99.50 |
22.2 |
36 |
| 600 |
|
564 |
|
55.2 |
74 |
|
245 |
233 |
233 |
|
21.3 |
|
| 590 |
|
554 |
|
54.7 |
|
|
240 |
228 |
228 |
98.10 |
20.3 |
34 |
| 580 |
|
545 |
|
54.1 |
72 |
|
230 |
219 |
219 |
96.70 |
(18.0) |
33 |
| 570 |
|
535 |
|
53.6 |
|
|
220 |
209 |
209 |
95.00 |
(15.7) |
32 |
| 560 |
|
525 |
|
53.0 |
71 |
|
210 |
200 |
200 |
93.40 |
(13.4) |
30 |
| 550 |
505 |
517 |
|
52.3 |
|
|
200 |
190 |
190 |
91.50 |
(11.0) |
29 |
| 540 |
496 |
507 |
|
51.7 |
69 |
|
190 |
181 |
181 |
89.50 |
(8.5) |
28 |
| 530 |
488 |
497 |
|
51.1 |
|
|
180 |
171 |
171 |
87.10 |
(6.0) |
26 |
| 520 |
480 |
488 |
|
50.5 |
67 |
|
170 |
162 |
162 |
85.00 |
(3.0) |
25 |
| 510 |
473 |
479 |
|
49.8 |
|
|
160 |
152 |
152 |
81.70 |
(0.0) |
24 |
| 500 |
465 |
471 |
|
49.1 |
66 |
|
150 |
143 |
143 |
78.70 |
|
22 |
| 490 |
456 |
460 |
|
48.4 |
|
|
140 |
133 |
133 |
75.00 |
|
21 |
| 480 |
448 |
452 |
|
47.7 |
64 |
|
130 |
124 |
124 |
71.20 |
|
20 |
| 470 |
441 |
442 |
|
46.9 |
|
|
120 |
114 |
114 |
66.70 |
|
18 |
| 460 |
433 |
433 |
|
46.1 |
62 |
|
110 |
105 |
105 |
62.30 |
|
|
| 450 |
425 |
425 |
|
45.3 |
|
|
100 |
95 |
95 |
56.20 |
|
|
| 440 |
415 |
415 |
|
44.5 |
59 |
|
95 |
90 |
90 |
52.00 |
|
|
| 430 |
405 |
405 |
|
43.6 |
|
|
90 |
86 |
86 |
48.00 |
|
|
| 420 |
397 |
397 |
|
42.7 |
57 |
|
85 |
81 |
81 |
41.00 |
|
|
|
|
|
|