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隨著各種硬度計的誕生，各種硬度計的測量值也是各不相同，但是為了統(tǒng)一硬度計標準，相關專家還是給出個各種硬度計測量值之間的換算方法。以下是根據(jù)德國標準DIN50150,常用范圍的鋼材抗拉強度與維氏硬度、布氏硬度、洛氏硬度的對照表。如果您要查的抗拉強度>1000N/mm2，或維氏硬度>310HV，或布氏硬度>300HB，或洛氏硬度>32HRC，請查下表：
|
抗拉強度RmN/mm2
|
維氏硬度HV
|
布氏硬度HB
|
洛氏硬度HRC
|
|
250
|
80
|
76.0
|
-
|
|
270
|
85
|
80.7
|
-
|
|
285
|
90
|
85.2
|
-
|
|
305
|
95
|
90.2
|
-
|
|
320
|
100
|
95.0
|
-
|
|
335
|
105
|
99.8
|
-
|
|
350
|
110
|
105
|
-
|
|
370
|
115
|
109
|
-
|
|
380
|
120
|
114
|
-
|
|
400
|
125
|
119
|
-
|
|
415
|
130
|
124
|
-
|
|
430
|
135
|
128
|
-
|
|
450
|
140
|
133
|
-
|
|
465
|
145
|
138
|
-
|
|
480
|
150
|
143
|
-
|
|
490
|
155
|
147
|
-
|
|
510
|
160
|
152
|
-
|
|
530
|
165
|
156
|
-
|
|
545
|
170
|
162
|
-
|
|
560
|
175
|
166
|
-
|
|
575
|
180
|
171
|
-
|
|
595
|
185
|
176
|
-
|
|
610
|
190
|
181
|
-
|
|
625
|
195
|
185
|
-
|
|
640
|
200
|
190
|
-
|
|
660
|
205
|
195
|
-
|
|
675
|
210
|
199
|
-
|
|
690
|
215
|
204
|
-
|
|
705
|
220
|
209
|
-
|
|
720
|
225
|
214
|
-
|
|
740
|
230
|
219
|
-
|
|
755
|
235
|
223
|
-
|
|
770
|
240
|
228
|
20.3
|
|
785
|
245
|
233
|
21.3
|
|
800
|
250
|
238
|
22.2
|
|
820
|
255
|
242
|
23.1
|
|
835
|
260
|
247
|
24.0
|
|
850
|
265
|
252
|
24.8
|
|
865
|
270
|
257
|
25.6
|
|
880
|
275
|
261
|
26.4
|
|
900
|
280
|
266
|
27.1
|
|
915
|
285
|
271
|
27.8
|
|
930
|
290
|
276
|
28.5
|
|
950
|
295
|
280
|
29.2
|
|
965
|
300
|
285
|
29.8
|
|
995
|
310
|
295
|
31.0
|
|
抗拉強度RmN/mm2
|
維氏硬度HV
|
布氏硬度HB
|
洛氏硬度HRC
|
|
1030
|
320
|
304
|
32.2
|
|
1060
|
330
|
314
|
33.3
|
|
1095
|
340
|
323
|
34.4
|
|
1125
|
350
|
333
|
35.5
|
|
1115
|
360
|
342
|
36.6
|
|
1190
|
370
|
352
|
37.7
|
|
1220
|
380
|
361
|
38.8
|
|
1255
|
390
|
371
|
39.8
|
|
1290
|
400
|
380
|
40.8
|
|
1320
|
410
|
390
|
41.8
|
|
1350
|
420
|
399
|
42.7
|
|
1385
|
430
|
409
|
43.6
|
|
1420
|
440
|
418
|
44.5
|
|
1455
|
450
|
428
|
45.3
|
|
1485
|
460
|
437
|
46.1
|
|
1520
|
470
|
447
|
46.9
|
|
1555
|
480
|
(456)
|
47.7
|
|
1595
|
490
|
(466)
|
48.4
|
|
1630
|
500
|
(475)
|
49.1
|
|
1665
|
510
|
(485)
|
49.8
|
|
1700
|
520
|
(494)
|
50.5
|
|
1740
|
530
|
(504)
|
51.1
|
|
1775
|
540
|
(513)
|
51.7
|
|
1810
|
550
|
(523)
|
52.3
|
|
1845
|
560
|
(532)
|
53.0
|
|
1880
|
570
|
(542)
|
53.6
|
|
1920
|
580
|
(551)
|
54.1
|
|
1955
|
590
|
(561)
|
54.7
|
|
1995
|
600
|
(570)
|
55.2
|
|
2030
|
610
|
(580)
|
55.7
|
|
2070
|
620
|
(589)
|
56.3
|
|
2105
|
630
|
(599)
|
56.8
|
|
2145
|
640
|
(608)
|
57.3
|
|
2180
|
650
|
(618)
|
57.8
|
|
|
660
|
|
58.3
|
|
|
670
|
|
58.8
|
|
|
680
|
|
59.2
|
|
|
690
|
|
59.7
|
|
|
700
|
|
60.1
|
|
|
720
|
|
61.0
|
|
|
740
|
|
61.8
|
|
|
760
|
|
62.5
|
|
|
780
|
|
63.3
|
|
|
800
|
|
64.0
|
|
|
820
|
|
64.7
|
|
|
840
|
|
65.3
|
|
|
860
|
|
65.9
|
|
|
880
|
|
66.4
|
|
|
900
|
|
67.0
|
|
|
920
|
|
67.5
|
|
|
940
|
|
68.0
|
|