服务支持
端铣刀操作的因素
|
Rockwell
Hardness
C Scale
50kg Brale
(HRC)
|
Diamond
Pyramid
Hardness
Number.
Vickers
(HV)
|
Brinell
Hardness
Standard10mm
Ball
29.42kN
(HB)
|
Rockwell
Hardness
A Scale
60kg
Brale
(HRA)
|
Shore
Scleroscope
Hardness
Number
(HS)
|
Approx
Tensile
Strength
N/mm2
|
|
68
|
940
|
-
|
85.6
|
97
|
-
|
|
67
|
900
|
-
|
85.5
|
95
|
-
|
|
66
|
865
|
-
|
84.5
|
92
|
-
|
|
65
|
832
|
-
|
83.9
|
91
|
-
|
|
64
|
800
|
-
|
83.4
|
88
|
-
|
|
63
|
772
|
-
|
82.8
|
87
|
-
|
|
62
|
746
|
-
|
82.3
|
85
|
-
|
|
61
|
720
|
-
|
81.8
|
83
|
-
|
|
60
|
697
|
-
|
81.2
|
81
|
-
|
|
59
|
674
|
-
|
80.7
|
80
|
-
|
|
58
|
653
|
-
|
80.1
|
78
|
-
|
|
57
|
633
|
-
|
79.6
|
76
|
-
|
|
56
|
613
|
-
|
79.0
|
75
|
-
|
|
55
|
595
|
-
|
78.5
|
74
|
2079
|
|
54
|
577
|
-
|
78.0
|
72
|
2010
|
|
53
|
560
|
-
|
77.4
|
71
|
1952
|
|
52
|
544
|
500
|
76.8
|
69
|
1883
|
|
51
|
528
|
487
|
76.3
|
68
|
1824
|
|
50
|
513
|
475
|
75.9
|
67
|
1755
|
|
49
|
498
|
464
|
75.2
|
66
|
1687
|
|
48
|
484
|
451
|
74.7
|
64
|
1639
|
|
47
|
471
|
442
|
74.1
|
63
|
1578
|
|
46
|
458
|
432
|
73.6
|
62
|
1530
|
|
45
|
446
|
421
|
73.1
|
60
|
1481
|
|
44
|
434
|
409
|
72.5
|
58
|
1432
|
|
43
|
423
|
400
|
72.0
|
57
|
1383
|
|
42
|
412
|
390
|
71.5
|
56
|
1334
|
|
41
|
402
|
381
|
70.9
|
55
|
1294
|
|
40
|
392
|
371
|
70.4
|
54
|
1245
|
|
39
|
382
|
362
|
69.9
|
52
|
1216
|
|
38
|
372
|
353
|
69.4
|
51
|
1177
|
|
37
|
363
|
344
|
68.9
|
50
|
1157
|
|
36
|
354
|
336
|
68.4
|
49
|
1118
|
|
35
|
345
|
327
|
67.9
|
48
|
1079
|
|
34
|
336
|
319
|
67.4
|
47
|
1059
|
|
33
|
327
|
311
|
66.8
|
46
|
1030
|
|
32
|
318
|
301
|
66.3
|
44
|
1000
|
|
31
|
310
|
294
|
65.8
|
43
|
981
|
|
30
|
302
|
286
|
65.3
|
42
|
952
|
|
29
|
294
|
279
|
64.7
|
41
|
932
|
|
28
|
285
|
271
|
64.3
|
41
|
912
|
|
27
|
279
|
264
|
63.8
|
40
|
883
|
|
26
|
272
|
258
|
63.3
|
38
|
863
|
|
25
|
266
|
253
|
62.8
|
38
|
843
|
|
24
|
260
|
247
|
62.4
|
37
|
824
|
|
23
|
254
|
243
|
62.0
|
36
|
804
|
|
22
|
248
|
237
|
61.5
|
35
|
785
|
|
21
|
243
|
231
|
61.0
|
35
|
775
|
|
20
|
238
|
226
|
60.5
|
34
|
755
|
|
(18)
|
230
|
219
|
-
|
33
|
736
|
|
(16)
|
222
|
212
|
-
|
32
|
706
|
|
(14)
|
213
|
203
|
-
|
31
|
677
|
|
(12)
|
204
|
194
|
-
|
29
|
647
|
|
(10)
|
196
|
187
|
-
|
28
|
618
|
|
(8)
|
188
|
179
|
-
|
27
|
598
|
|
(6)
|
180
|
171
|
-
|
26
|
579
|
|
(4)
|
173
|
165
|
-
|
25
|
549
|
|
(2)
|
166
|
158
|
-
|
24
|
530
|
|
(0)
|
160
|
152
|
-
|
24
|
520
|
