Hardness Conversion Table - Mfindllc
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1Hardness Conversion Table
Tensile
Brinell
Vickers
Rockwell
Rockwell
Tensile
Brinell
Vickers
Rockwell
Rockwell
Strength
Hardness
Hardness
Hardness
Hardness
Strength
Hardness
Hardness
Hardness
Hardness
2)
2)
(N/mm
(BHN)
(HV)
(HRB)
(HRC)
(N/mm
(BHN)
(HV)
(HRB)
(HRC)
1190
352
370
37.7
285
86
90
1220
361
380
38.8
320
95
100
56.2
1255
371
390
39.8
350
105
110
62.3
1290
380
400
40.8
385
114
120
66.7
1320
390
410
41.8
415
124
130
71.2
1350
399
420
42.7
450
133
140
75.0
1385
409
430
43.6
480
143
150
78.7
1420
418
440
44.5
510
152
160
81.7
545
162
170
85.0
1455
428
450
45.3
1485
437
460
46.1
575
171
180
87.1
1520
447
470
46.9
610
181
190
89.5
1555
456
480
47.7
640
190
200
91.5
1595
466
490
48.4
675
199
210
93.5
1630
475
500
49.1
705
209
220
95.0
1665
485
510
49.8
740
219
230
96.7
1700
494
520
50.5
770
228
240
98.1
1740
504
530
51.1
800
238
250
99.5
1775
513
540
51.7
820
242
255
23.1
1810
523
550
52.3
850
252
265
24.8
1845
532
560
53.0
880
261
275
26.4
1880
542
570
53.6
900
266
280
27.1
930
276
290
28.5
1920
551
580
54.1
1955
561
590
54.7
950
280
295
29.2
1995
570
600
55.2
995
295
310
31.0
2030
580
610
55.7
1030
304
320
32.2
2070
589
620
56.3
1060
314
330
33.3
2105
599
630
56.8
1095
323
340
34.4
2145
608
640
57.3
1125
333
350
35.5
2180
618
650
57.8
1155
342
360
36.6
Emirates Modern Industrial Area Umm Al Quwain, UAE
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