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硬度對照表--鋼鐵
首頁
技術研發
硬度對照表--鋼鐵
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加工餘裕：脫蠟精密鑄件的機械加工餘裕
硬度對照表--鋼鐵
2020-01-02 11:01
HV
HRA
HRB
HRC
HRD
15N
30N
45N
HB
HS
940
85.6
-
68.0
76.9
93.2
84.4
75.4
-
98.0
920
85.3
-
67.5
76.5
93.0
84.0
74.3
-
96.8
900
85.0
-
67.0
76.1
92.9
83.6
74.2
-
95.6
880
84.7
-
66.4
75.7
92.7
83.1
73.6
-
94.3
860
84.4
-
65.9
75.3
92.5
82.7
73.1
-
93.1
840
84.1
-
65.3
74.8
92.3
82.2
72.2
-
91.7
820
83.8
-
64.7
74.3
92.1
81.7
71.8
733
90.4
800
83.4
-
64.0
73.8
91.8
81.1
71.0
722
89.0
780
83.0
-
63.3
73.3
91.5
80.4
70.2
710
87.6
760
82.6
-
62.5
72.6
91.2
79.7
69.4
697
86.2
740
82.2
-
61.8
72.1
91.0
79.1
68.6
684
84.8
720
81.8
-
61.0
71.5
90.7
78.4
67.7
670
83.3
700
81.3
-
60.1
70.8
90.3
77.6
66.7
656
81.8
690
81.1
-
59.7
70.5
90.1
77.2
66.2
648
81.0
680
80.8
-
59.2
70.1
89.8
76.8
65.7
639
80.2
670
80.6
-
58.8
69.8
89.7
76.4
65.3
630
79.4
660
80.3
-
58.3
69.4
89.5
75.9
64.7
621
78.6
650
80.8
-
57.8
69.0
89.2
75.5
64.1
612
77.8
640
79.8
-
57.3
68.7
89.0
75.1
63.5
602
77.0
630
79.5
-
56.8
68.3
88.8
74.6
63.0
592
76.2
620
79.2
-
56.3
67.9
88.5
74.2
62.4
583
75.4
610
78.9
-
55.7
67.5
88.2
73.6
61.7
574
74.5
600
78.6
-
55.2
67.0
88.0
73.2
61.2
565
73.7
590
78.4
-
54.7
66.7
87.8
72.7
60.5
555
72.8
580
78.0
-
54.1
66.2
87.5
72.1
59.5
546
72.0
570
77.8
-
53.6
65.8
87.2
71.7
59.3
536
71.1
560
77.4
-
53.0
65.4
86.9
71.2
58.6
525
70.2
550
77.0
-
52.3
64.8
86.6
70.5
57.8
517
69.3
540
76.7
-
51.7
64.4
86.3
70.0
57.0
508
68.4
530
76.4
-
51.1
63.9
86.0
69.5
56.2
498
67.5
520
76.1
-
50.5
63.5
85.7
69.0
55.6
488
66.6
510
75.7
-
49.8
62.9
85.4
68.3
54.7
479
65.6
500
75.3
-
49.1
62.2
85.0
67.7
53.9
470
64.7
490
74.9
-
48.4
61.6
84.7
67.1
53.1
461
63.7
480
74.5
-
47.7
61.3
84.3
66.4
52.2
451
62.8
470
74.1
-
46.9
60.7
83.9
65.7
51.3
442
61.8
460
73.6
-
46.1
60.1
83.6
64.9
50.4
434
60.8
450
73.3
-
45.3
59.4
83.2
64.3
49.4
425
59.8
440
72.8
-
44.5
58.8
82.8
63.5
48.4
415
58.8
430
72.3
-
43.6
58.2
82.3
62.7
47.4
405
57.8
420
71.8
-
42.7
57.5
81.8
61.9
46.4
397
56.7
410
71.4
-
41.8
56.8
81.4
61.1
45.3
388
55.7
400
70.8
-
40.8
56.0
81.0
60.2
44.1
379
54.6
390
70.3
-
39.8
55.2
80.3
59.3
42.9
369
53.6
380
69.8
110.0
38.8
54.4
79.8
58.4
41.7
360
52.5
370
69.2
-
37.7
53.6
79.2
57.4
40.4
350
51.4
360
68.7
109.0
36.6
52.8
78.6
56.4
39.1
341
50.3
350
68.1
-
35.5
51.9
78.0
55.4
37.8
331
49.2
340
67.6
108.0
34.4
51.1
77.4
54.4
36.5
322
48.1
330
67.0
-
33.3
50.2
76.8
53.6
35.2
313
46.9
320
66.4
107.0
32.2
49.4
76.2
52.3
33.9
303
45.7
310
65.8
-
31.0
48.4
75.6
51.3
32.5
294
44.6
300
65.2
105.5
29.8
47.5
74.9
50.2
31.1
284
43.4
295
64.8
-
29.2
47.1
74.6
49.7
30.4
280
42.8
290
64.5
104.5
28.5
46.5
74.2
49.0
29.5
275
42.2
285
64.2
-
27.8
46.0
73.8
48.4
28.7
270
41.6
280
63.8
103.5
27.1
45.3
73.4
47.8
27.9
265
41.0
275
63.5
-
26.4
44.9
73.0
47.2
27.1
261
40.4
270
63.1
102.0
25.6
44.3
72.6
46.4
26.2
256
39.7
265
62.7
-
24.8
43.7
72.1
45.7
25.2
252
39.1
260
62.4
101.0
24.0
43.1
71.6
45.0
24.3
247
38.5
255
62.0
-
23.1
42.2
71.1
44.2
23.2
243
37.9
250
61.6
99.5
22.2
41.7
70.6
43.4
22.2
238
37.2
245
61.2
-
21.3
41.1
70.1
42.5
21.1
233
36.6
240
60.7
98.1
20.3
40.3
69.9
41.7
19.9
228
36.0
230
-
96.7
18.0
-
-
-
-
219
34.7
220
-
95.0
15.7
-
-
-
-
209
33.4
210
-
93.4
13.4
-
-
-
-
200
32.0
200
-
91.5
11.0
-
-
-
-
190
30.7
190
-
89.5
8.5
-
-
-
-
181
29.4
180
-
87.1
6.0
-
-
-
-
171
28.0
170
-
85.0
3.0
-
-
-
-
162
26.6
160
-
81.7
0.0
-
-
-
-
152
25.2
150
-
78.7
-
-
-
-
-
143
23.8
140
-
75.0
-
-
-
-
-
133
22.3
130
-
71.2
-
-
-
-
-
124
20.8
120
-
66.7
-
-
-
-
-
114
19.4
110
-
62.3
-
-
-
-
-
105
17.9
100
-
56.2
-
-
-
-
-
95
16.3
HV
HRA
HRB
HRC
HRD
15N
30N
45N
HB
HS