Vickers
Hardness
Number HV |
Rockwell C
Scale
Hardness
HRC |
Vickers
Hardness
Number HV |
Rockwell C
Scale
Hardness
HRC |
Vickers
Hardness
Number HV |
Rockwell C
Scale
Hardness
HRC |
Vickers
Hardness
Number HV |
Rockwell C
Scale
Hardness
HRC |
900
890
880
870
860
850
840
830
820
810
800
790
780
770
760
750
740
730 |
66.5
66.1
65.7
65.3
64.9
64.5
64.1
63.7
63.3
62.9
62.5
62.1
61.7
61.3
60.9
60.5
60.1
59.7 |
720
710
700
690
680
670
660
650
640
630
620
610
600
590
580
570
560
550 |
59.3
58.9
58.5
58.1
57.7
57.3
56.9
56.5
56.1
55.7
55.3
54.9
54.5
54.1
53.7
53.3
52.9
52.5 |
540
530
520
510
500
490
480
470
460
450
440
430
420
410
400
390
380
370 |
52.1
51.7
51.3
50.4
49.7
49.0
48.2
47.5
46.7
45.9
45.1
44.3
43.5
42.6
41.7
40.8
39.8
38.8 |
360
350
340
330
320
310
300
290
280
270
260
250
245
240
235
230 |
37.8
36.8
35.7
34.5
33.4
32.2
30.9
29.6
28.2
26.7
25.1
23.5
22.7
21.8
20.9
20.0 |