洛氏硬度布氏硬度维氏硬度对照表.doc

<p>洛氏硬度、布氏硬度、维氏硬度对照表
洛氏硬度
HRC
洛氏硬度
HRA
布氏硬度
HB 30D2
维氏硬度
HV
近似强度
σ(MPa)
70.0
86.6
-
1037.0
-
69.5
86.3
-
1017.0
-
69.0
86.1
-
997.0
-
68.5
85.8
-
978.0
-
68.0
85.5
-
959.0
-
67.5
85.2
-
941.0
-
67.0
85
-
923.0
-
66.5
84.7
-
906.0
-
66.0
84.4
-
889.0
-
65.5
84.1
-
872.0
-
65.0
83.9
-
856.0
-
64.5
83.6
-
840.0
-
64.0
83.3
-
825.0
-
63.5
83.1
-
810.0
-
63.0
82.8
-
795.0
-
62.5
82.5
-
780.0
-
62.0
82.2
-
766.0
-
61.5
82.0
-
752.0
-
61.0
81.7
-
739.0
-
60.5
81.4
-
726.0
-
60.0
81.2
-
713.0
2607
59.5
80.9
-
700.0
2551
59.0
80.6
-
688.0
2496
58.5
80.3
-
676.0
2443
58.0
80.1
-
664.0
2391
57.5
79.8
-
653.0
2341
57.0
79.5
-
642.0
2293
56.5
79.3
-
631.0
2247
56.0
79.0
-
620.0
2201
55.5
78.7
-
609.0
2157
55.0
78.5
-
599.0
2115
54.5
78.2
-
589.0
2074
54.0
77.9
-
579.0
2034
53.5
77.7
-
570.0
1995
53.0
77.4
-
561.0
1957
52.5
77.1

551.0
1921
52.0
76.9

543.0
1885
51.5
76.6

534.0
1851
51.0
76.3

525.0
1817
50.5
76.1

517.0
1785
50.0
75.8

509.0
1753
49.5
75.5

501.0
1722
49.0
75.3

493.0
1692
48.5
75.0

485.0
1662
48.0
74.7

478.0
1635
47.5
74.5

470.0
1608
47.0
74.2
449
463.0
1581
46.5
73.9
442
456.0
1555
46.0
73.7
436
449.0
1529
45.5
73.4
430
443.0
1504
45.0
73.2
424
436.0
1480
44.5
72.9
413
429.0
1457
44.0
72.6
407
423.0
1434
43.5
72.4
401
417.0
1411
43.0
72.1
396
411.0
1389
42.5
71.8
391
405.0
1368
42.0
71.6
385
399.0
1347
41.5
71.3
380
393.0
1327
41.0
71.1
375
388.0
1307
40.5
70.8
370
382.0
1287
40.0
70.5
365
377.0
1268
39.5
70.3
360
372.0
1250
39.0
70.0
355
367.0
1232
38.5
69.7
350
362.0
1214
38.0
69.5
345
357.0
1197
37.5
69.2
341
352.0
1180
37.0
69.0
336
347.0
1163
36.5
68.7
332
342.0
1147
36.0
68.4
327
338.0
1131
35.5
68.2
323
333.0
1115
35.0
67.9
318
329.0
1100
34.5
67.7
314
324.0
1080
34.0
67.4
310
320.0
1070
33.5
67.1
306
316.0
1056
33.0
66.9
302
312.0
1042
32.5
66.6
298
308.0
1028
32.0
66.4
294
304.0
1015
31.5
66.1
291
300.0
1001
31.0
65.8
287
296.0
989
30.5
65.6
283
292.0
976
30.0
65.3
280
289.0
964
29.5
65.1
276
285.0
951
29.0
64.8
273
281.0
940
28.5
64.6
269
278.0
928
28.0
64.3
266
274.0
917
27.5
64.0
263
271.0
906
27.0
63.8
260
268.0
895
26.5
63.5
257
264.0
884
26.0
63.3
254
261.0
874
25.5
63.0
251
258.0
864
25.0
62.8
248
255.0
854
24.5
62.5
245
252.0
844
24.0
62.2
242
249.0
835
23.5
62.0
240
246.0
825
23.0
61.7
237
243.0
816
22.5
61.5
234
240.0
808
22.0
61.2
232
237.0
799</p>