4. 各种硬度值的换算
各种硬度值的换算见表1-5。
表1-5 各种硬度值的换算
布氏硬度
HBW
(或HBS)洛氏硬度维氏硬度
HV布氏硬度
HBW
(或HBS)洛氏硬度维氏硬度
HVHRAHRCHRAHRC 86.6
86.3
86.1
85.8
85.5
85.2
85.0
84.770.0
69.5
69.0
68.5
68.0
67.5
67.0
66.51 037
1 017
997
978
959
941
923
906 78.5
78.2
77.9
77.7
77.4
77.1
76.9
76.655.0
54.5
54.0
53.5
53.0
52.5
52.0
51.5599
589
579
570
561
551
543
534 84.4
84.1
83.9
83.6
83.3
83.1
82.8
82.5
82.2
82.0
81.7
81.4
81.2
80.9
80.6
80.3
80.1
79.8
79.5
79.3
79.0
78.766.0
65.5
65.0
64.5
64.0
63.5
63.0
62.5
62.0
61.5
61.0
60.5
60.0
59.5
59.0
58.5
58.0
57.5
57.0
56.5
56.0
55.5889
872
856
840
825
810
795
780
766
752
739
726
713
700
688
676
664
653
642
631
620
609501
494
488
481
474
468
461
455
449
442
436
430
424
418
413
407
401
396
391
385
380
37576.3
76.1
75.8
75.5
75.3
75.0
74.7
74.5
74.2
73.9
73.7
73.4
73.2
72.9
72.6
72.4
72.1
71.8
71.6
71.3
71.1
70.851.0
50.5
50.0
49.5
49.0
48.5
48.0
47.5
47.0
4 ...... (共2366字) [阅读本文]>>