螺丝厂工作中经常要面对不同客户,每个客户因使用习惯或标准用不同的单位表度硬度,现总结布氏硬度与洛氏硬度转换表供大家参考。
抗拉强度RmN/mm2 |
维氏硬度HV |
布氏硬度HB |
洛氏硬度HRC |
抗拉强度RmN/mm2 |
维氏硬度HV |
布氏硬度HB |
洛氏硬度HRC |
250 |
80 |
76 |
- |
1030 |
320 |
304 |
32.2 |
270 |
85 |
80.7 |
- |
1060 |
330 |
314 |
33.3 |
285 |
90 |
85.2 |
- |
1095 |
340 |
323 |
34.4 |
305 |
95 |
90.2 |
- |
1125 |
350 |
333 |
35.5 |
320 |
100 |
95 |
- |
1115 |
360 |
342 |
36.6 |
335 |
105 |
99.8 |
- |
1190 |
370 |
352 |
37.7 |
350 |
110 |
105 |
- |
1220 |
380 |
361 |
38.8 |
370 |
115 |
109 |
- |
1255 |
390 |
371 |
39.8 |
380 |
120 |
114 |
- |
1290 |
400 |
380 |
40.8 |
400 |
125 |
119 |
- |
1320 |
410 |
390 |
41.8 |
415 |
130 |
124 |
- |
1350 |
420 |
399 |
42.7 |
430 |
135 |
128 |
- |
1385 |
430 |
409 |
43.6 |
450 |
140 |
133 |
- |
1420 |
440 |
418 |
44.5 |
465 |
145 |
138 |
- |
1455 |
450 |
428 |
45.3 |
480 |
150 |
143 |
- |
1485 |
460 |
437 |
46.1 |
490 |
155 |
147 |
- |
1520 |
470 |
447 |
46.9 |
510 |
160 |
152 |
- |
1555 |
480 |
-456 |
47.7 |
530 |
165 |
156 |
- |
1595 |
490 |
-466 |
48.4 |
545 |
170 |
162 |
- |
1630 |
500 |
-475 |
49.1 |
560 |
175 |
166 |
- |
1665 |
510 |
-485 |
49.8 |
575 |
180 |
171 |
- |
1700 |
520 |
-494 |
50.5 |
595 |
185 |
176 |
- |
1740 |
530 |
-504 |
51.1 |
610 |
190 |
181 |
- |
1775 |
540 |
-513 |
51.7 |
625 |
195 |
185 |
- |
1810 |
550 |
-523 |
52.3 |
640 |
200 |
190 |
- |
1845 |
560 |
-532 |
53 |
660 |
205 |
195 |
- |
1880 |
570 |
-542 |
53.6 |
675 |
210 |
199 |
- |
1920 |
580 |
-551 |
54.1 |
690 |
215 |
204 |
- |
1955 |
590 |
-561 |
54.7 |
705 |
220 |
209 |
- |
1995 |
600 |
-570 |
55.2 |
720 |
225 |
214 |
- |
2030 |
610 |
-580 |
55.7 |
740 |
230 |
219 |
- |
2070 |
620 |
-589 |
56.3 |
755 |
235 |
223 |
- |
2105 |
630 |
-599 |
56.8 |
770 |
240 |
228 |
20.3 |
2145 |
640 |
-608 |
57.3 |
785 |
245 |
233 |
21.3 |
2180 |
650 |
-618 |
57.8 |
800 |
250 |
238 |
22.2 |
|
660 |
|
58.3 |
820 |
255 |
242 |
23.1 |
|
670 |
|
58.8 |
835 |
260 |
247 |
24 |
|
680 |
|
59.2 |
850 |
265 |
252 |
24.8 |
|
690 |
|
59.7 |
865 |
270 |
257 |
25.6 |
|
700 |
|
60.1 |
880 |
275 |
261 |
26.4 |
|
720 |
|
61 |
900 |
280 |
266 |
27.1 |
|
740 |
|
61.8 |
915 |
285 |
271 |
27.8 |
|
760 |
|
62.5 |
930 |
290 |
276 |
28.5 |
|
780 |
|
63.3 |
950 |
295 |
280 |
29.2 |
|
800 |
|
64 |
965 |
300 |
285 |
29.8 |
|
820 |
|
64.7 |
995 |
310 |
295 |
31 |
|
840 |
|
65.3 |
|
|
860 |
|
65.9 |
|
|
|
|
|
880 |
|
66.4 |
|
|
|
|
|
900 |
|
67 |
|
|
|
|
|
920 |
|
67.5 |
|
|
|
|
|
940 |
|
68 |
|