硬度計硬度值換算表(黑色金屬材料)
硬度計硬度值換算表(黑色金屬材料)
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黑色金屬材料
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硬度值換算表
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布氏硬度
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洛氏硬度
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維氏硬度
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布氏硬度
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洛氏硬度
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維氏硬度
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HB
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HRA
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HRC
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HV
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HB
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HRA
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HRC
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HV
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86.6
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70
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1037
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78.5
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55
|
599
|
|
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86.3
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69.5
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1017
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78.2
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54.5
|
589
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86.1
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69
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997
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77.9
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54
|
579
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85.8
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68.5
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978
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77.7
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53.5
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570
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85.5
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68
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959
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77.4
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53
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561
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85.2
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67.5
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941
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77.1
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52.5
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551
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85
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67
|
923
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76.9
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52
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543
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84.7
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66.5
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906
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76.6
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51.5
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534
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84.4
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66
|
889
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501
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76.3
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51
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525
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|
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84.1
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65.5
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872
|
494
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76.1
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50.5
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517
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|
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83.9
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65
|
856
|
488
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75.8
|
50
|
509
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|
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83.6
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64.5
|
840
|
481
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75.5
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49.5
|
501
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|
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83.3
|
64
|
825
|
474
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75.3
|
49
|
493
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|
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83.1
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63.5
|
810
|
468
|
75
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48.5
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485
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82.8
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63
|
795
|
461
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74.7
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48
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478
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82.5
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62.5
|
780
|
455
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74.5
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47.5
|
470
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82.2
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62
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766
|
449
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74.2
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47
|
463
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82
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61.5
|
752
|
442
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73.9
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46.5
|
456
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|
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81.7
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61
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739
|
436
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73.7
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46
|
449
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81.4
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60.5
|
726
|
430
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73.4
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45.5
|
443
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81.2
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60
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713
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424
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73.2
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45
|
436
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80.9
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59.5
|
700
|
418
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72.9
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44.5
|
429
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80.6
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59
|
688
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413
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72.6
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44
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423
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80.3
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58.5
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676
|
407
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72.4
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43.5
|
417
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|
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80.1
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58
|
664
|
401
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72.1
|
43
|
411
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|
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79.8
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57.5
|
653
|
396
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71.8
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42.5
|
405
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|
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79.5
|
57
|
642
|
391
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71.6
|
42
|
399
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|
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79.3
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56.5
|
631
|
385
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71.3
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41.5
|
393
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|
|
79
|
56
|
620
|
380
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71.1
|
41
|
388
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|
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78.7
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55.6
|
609
|
375
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70.8
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40.5
|
382
|
|
750
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70.5
|
40
|
377
|
269
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|
28
|
274
|
|
365
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70.3
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39.5
|
372
|
266
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|
27.5
|
271
|
|
360
|
70
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39
|
367
|
263
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|
27
|
268
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|
355
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38.5
|
362
|
260
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|
26.5
|
264
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|
350
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|
38
|
351
|
257
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26
|
261
|
|
345
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|
37.5
|
352
|
254
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|
25.5
|
258
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|
341
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|
37
|
347
|
251
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|
25
|
255
|
|
336
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36.5
|
342
|
248
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|
24.5
|
252
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|
332
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|
36
|
338
|
245
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|
24
|
249
|
|
327
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|
35.5
|
333
|
242
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|
23.5
|
246
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|
323
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|
35
|
329
|
240
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|
23
|
243
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|
318
|
|
34.5
|
324
|
237
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|
22.5
|
240
|
|
314
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|
34
|
320
|
234
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|
22
|
237
|
|
310
|
|
33.5
|
316
|
232
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|
21.5
|
234
|
|
306
|
|
33
|
312
|
229
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|
21
|
231
|
|
302
|
|
32.5
|
308
|
227
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|
20.5
|
229
|
|
298
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|
32
|
304
|
225
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|
20
|
226
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|
294
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|
31.5
|
300
|
222
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|
19.5
|
223
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|
291
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|
31
|
296
|
220
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|
19
|
221
|
|
287
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|
30.5
|
292
|
218
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|
18.5
|
218
|
|
283
|
|
30
|
289
|
216
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|
18
|
216
|
|
280
|
|
29.5
|
285
|
214
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|
17.5
|
214
|
|
276
|
|
29
|
281
|
211
|
|
17
|
211
|
|
273
|
|
28.5
|
278
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|
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|
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注：
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1、布氏硬度：主要用來測定鑄件、鍛件、有色金屬、熱軋坯料及退火件的硬度，測定范圍
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≥450。
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2、洛氏硬度：HRA主要用于高硬度試件，測定硬度高于HRC67以上的材料和表面硬度，如
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硬質合金、氮化鋼等，測定范圍HRA>70。HRC主要用于鋼制件（如碳鋼、工具鋼、合金
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鋼等）淬火或回火后的硬度測定，測定范圍HRC20-67。
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3、維氏硬度：用來測定薄件和鋼板制件的硬度，也可用來測定滲碳、氰化、等表面制件的
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硬度。
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