|
|
维氏硬度HV |
布氏硬度HB |
洛氏硬度HRC |
|
250 |
80 |
76.0 |
- |
|
285 |
90 |
85.2 |
- |
|
320 |
100 |
95.0 |
- |
|
350 |
110 |
105 |
- |
|
380 |
120 |
114 |
- |
|
415 |
130 |
124 |
- |
|
450 |
140 |
133 |
- |
|
480 |
150 |
143 |
- |
|
510 |
160 |
152 |
- |
|
545 |
170 |
162 |
- |
|
575 |
180 |
171 |
- |
|
610 |
190 |
181 |
- |
|
640 |
200 |
190 |
- |
|
675 |
210 |
199 |
- |
|
705 |
220 |
209 |
- |
|
740 |
230 |
219 |
- |
|
770 |
240 |
228 |
20.3 |
|
800 |
250 |
238 |
22.2 |
|
835 |
260 |
247 |
24.0 |
|
865 |
270 |
257 |
25.6 |
|
900 |
280 |
266 |
27.1 |
|
930 |
290 |
276 |
28.5 |
|
965 |
300 |
285 |
29.8 |
|
1030 |
320 |
304 |
32.2 |
|
1095 |
340 |
323 |
34.4 |
|
1115 |
360 |
342 |
36.6 |
|
1220 |
380 |
361 |
38.8 |
|
1290 |
400 |
380 |
40.8 |
|
1350 |
420 |
399 |
42.7 |
|
1420 |
440 |
418 |
44.5 |
|
1485 |
460 |
437 |
46.1 |
|
1555 |
480 |
(456) |
47.7 |
|
1630 |
500 |
(475) |
49.1 |
|
1700 |
520 |
(494) |
50.5 |
|
1775 |
540 |
(513) |
51.7 |
|
1845 |
560 |
(532) |
53.0 |
|
1920 |
580 |
(551) |
54.1 |
|
1995 |
600 |
(570) |
55.2 |
|
2070 |
620 |
(589) |
56.3 |
|
2145 |
640 |
(608) |
57.3 |
|
|
660 |
|
58.3 |
|
|
680 |
|
59.2 |
|
|
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 |
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