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Comparison of Hardness on various Scales
Vickers
Brinell
Rockwell
Shore
HV
HB
HRC
C
200
200
-
28
210
210
-
29
220
220
-
30
230
230
19.2
31
240
240
21.2
33
250
250
23.0
34
260
260
24.7
35
270
270
26.1
36
280
280
27.6
37
290
290
29.0
39
300
300
30.3
40
310
310
31.5
41
320
320
32.9
42
330
330
33.8
43
340
340
34.9
44
350
350
36.0
45
360
359
37.0
46
370
368
38.0
47
380
373
38.9
48
390
385
39.8
49
400
393
40.7
50
410
400
41.5
51
420
407
42.3
52
430
416
43.2
53
440
423
44.0
54
450
429
44.8
55
460
435
45.5
56
470
441
46.3
57
480
450
47.0
58
490
457
47.7
59
500
465
48.3
60
510
474
49.0
61
520
482
49.6
62
530
489
50.3
63
540
496
50.9
64
550
503
51.5
65
560
511
52.1
66
570
520
52.7
67
580
527
53.3
68
590
533
53.8
69
600
538
54.4
70
610
543
54.9
71
620
549
55.4
72
630
555
55.9
73
640
561
56.4
74
650
568
56.9
75
660
574
57.4
75
670
581
57.9
76
680
588
58.4
77
690
595
58.9
78
700
602
59.3
79
710
609
59.8
80
720
616
60.2
81
730
622
60.7
82
740
627
61.1
83
750
633
61.5
83
760
639
61.9
84
770
644
62.3
85
780
650
62.7
86
790
656
63.1
86
800
661
63.5
87
810
666
63.9
87
820
670
64.3
88
830
677
64.6
89
840
682
65.0
89
850
-
65.3
90
860
-
65.7
90
870
-
66.0
91
880
-
66.3
91
890
-
66.6
92
900
-
66.9
92
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