Bảng chuyển quy đổi độ bóng
|
SJS
|
Tiêu chuản
|
Ra
|
Rmax
|
Rz
|
Tiêu chuẩn cũ
|
|
ÑÑÑÑÑ
|
0.08
|
0.010a
|
0.040S
|
0.040Z
|
Ñ14
|
|
0.012a
|
0.050S
|
0.050Z
|
Ñ14
|
||
|
0.016a
|
0.063S
|
0.063Z
|
Ñ14
|
||
|
0.020a
|
0.080S
|
0.080Z
|
Ñ14
|
||
|
0.025a
|
0.100S
|
0.100Z
|
Ñ13
|
||
|
0.032a
|
0.125S
|
0.125Z
|
Ñ12
|
||
|
0.050a
|
0.20S
|
0.20Z
|
Ñ11
|
||
|
0.063a
|
0.25S
|
0.25Z
|
Ñ11
|
||
|
0.080a
|
0.32S
|
0.32Z
|
Ñ11
|
||
|
0.100a
|
0.40S
|
0.40Z
|
Ñ10
|
||
|
0.125a
|
0.50S
|
0.50Z
|
Ñ10
|
||
|
0.160a
|
0.63S
|
0.63Z
|
Ñ10
|
||
|
0.25
|
0.20a
|
0.80S
|
0.80Z
|
Ñ9
|
|
|
ÑÑÑ
|
0.8
|
0.25a
|
1.0S
|
1.0Z
|
Ñ9
|
|
0.32a
|
1.25S
|
1.25Z
|
Ñ9
|
||
|
0.40a
|
1.6S
|
1.6Z
|
Ñ8
|
||
|
0.50a
|
2.0S
|
2.0Z
|
Ñ8
|
||
|
0.63a
|
2.5S
|
2.5Z
|
Ñ8
|
||
|
0.80a
|
3.2S
|
3.2Z
|
Ñ7
|
||
|
1.00a
|
4.0S
|
4.0Z
|
Ñ7
|
||
|
1.25a
|
5.0S
|
5.0Z
|
Ñ7
|
||
|
1.60a
|
6.3S
|
6.3Z
|
Ñ6
|
||
|
|
|
|
|
|
|
|
SJS
|
Tiêu chuản
|
Ra
|
Rmax
|
Rz
|
Tiêu chuẩn cũ
|
|
ÑÑ
|
2.5
|
2.0a
|
8.0S
|
8.0Z
|
Ñ6
|
|
2.5a
|
10.0S
|
10.0Z
|
Ñ6
|
||
|
3.2a
|
12.5S
|
12.5Z
|
Ñ5
|
||
|
4.0a
|
16S
|
16Z
|
Ñ5
|
||
|
5.0a
|
20S
|
20Z
|
Ñ5
|
||
|
6.3a
|
25S
|
25Z
|
Ñ4
|
||
|
Ñ
|
|
8.0a
|
32S
|
32Z
|
Ñ4
|
|
10.0a
|
40S
|
40Z
|
Ñ4
|
||
|
12.5a
|
50S
|
50Z
|
Ñ3
|
||
|
16.0a
|
63S
|
63Z
|
Ñ3
|
||
|
20a
|
80S
|
80Z
|
Ñ3
|
||
|
25a
|
100S
|
100Z
|
Ñ2
|
||
|
~
|
|
32a
|
125S
|
125Z
|
Ñ2
|
|
40a
|
160S
|
160Z
|
Ñ2
|
||
|
50a
|
200S
|
200Z
|
Ñ1
|
||
|
63a
|
250S
|
250Z
|
Ñ1
|
||
|
80a
|
320S
|
320Z
|
Ñ1
|
||
|
100a
|
400S
|
400Z
|
Ñ
|
||
|
125a
|
500S
|
500Z
|
|
Bảng chuyển đổi độ cứng theo tiêu chuẩn Nhật bản
|
HV
|
HB
|
Rockwell
|
HS
|
|
HV
|
HB
|
Rockwell
|
HS
|
|||
|
HRA
|
HRC
|
|
HRA
|
HRB
|
HRC
|
||||||
|
940
|
|
85.6
|
68.0
|
97
|
|
410
|
288
|
71.4
|
|
41.8
|
|
|
920
|
|
85.3
|
67.5
|
96
|
|
400
|
379
|
70.8
|
|
40.8
|
55
|
|
900
|
|
85.0
|
67.0
|
95
|
|
390
|
369
|
70.3
|
|
39.8
|
|
|
880
|
|
84.7
|
66.4
|
93
|
|
380
|
360
|
69.8
|
110
|
38.8
|
52
|
|
860
|
|
84.4
|
65.9
|
92
|
|
370
|
350
|
69.2
|
|
37.7
|
|
|
840
|
|
84.1
|
65.3
|
91
|
|
360
|
341
|
68.7
|
109
|
36.6
|
50
|
|
820
|
|
83.8
|
64.7
|
90
|
|
350
|
331
|
68.1
|
|
35.5
|
|
|
800
|
|
83.4
|
64.0
|
88
|
|
340
|
322
|
67.6
|
108
|
34.4
|
47
|
|
780
|
|
83.0
|
63.3
|
87
|
|
330
|
313
|
67.0
|
|
33.3
|
|
|
760
|
|
82.6
|
62.5
|
86
|
|
320
|
303
|
66.4
|
107
|
32.2
|
45
|
|
740
|
|
82.2
|
61.8
|
84
|
|
310
|
294
|
65.8
|
|
31.0
|
|
|
720
|
|
81.8
|
60.0
|
83
|
|
300
|
284
|
65.2
|
105.5
|
29.8
|
42
|
|
700
|
|
81.3
|
60.1
|
81
|
|
295
|
280
|
64.8
|
|
29.2
|
|
|
690
|
|
81.1
|
59.7
|
|
|
290
|
275
|
64.5
|
104.5
|
28.5
|
41
|
|
680
|
|
80.8
|
59.2
|
80
|
|
285
|
270
|
64.2
|
|
27.8
|
|
|
670
|
|
80.6
|
58.8
|
|
|
280
|
265
|
63.6
|
103.5
|
27.1
|
40
|
|
660
|
|
80.3
|
58.3
|
79
|
|
275
|
261
|
63.3
|
|
26.4
|
|
|
650
|
|
80.0
|
57.8
|
|
|
270
|
256
|
63.1
|
102
|
25.6
|
38
|
|
640
|
|
79.8
|
57.3
|
77
|
|
265
|
252
|
62.7
|
|
24.8
|
|
|
630
|
|
79.5
|
56.8
|
|
|
260
|
247
|
62.4
|
101
|
24.0
|
37
|
|
620
|
|
79.2
|
56.3
|
75
|
|
255
|
243
|
62.0
|
|
23.1
|
|
|
610
|
|
78.9
|
55.7
|
|
|
250
|
238
|
61.6
|
99.5
|
22.0
|
36
|
|
600
|
|
78.6
|
55.2
|
74
|
|
245
|
233
|
61.2
|
|
21.0
|
|
|
590
|
|
78.4
|
54.7
|
|
|
240
|
228
|
60.7
|
98.1
|
20.3
|
34
|
|
580
|
|
78.0
|
54.1
|
72
|
|
230
|
219
|
|
96.7
|
18.0
|
33
|
|
570
|
|
77.8
|
53.6
|
|
|
220
|
209
|
|
95.0
|
15.7
|
32
|
|
560
|
|
77.4
|
53.0
|
71
|
|
210
|
200
|
|
93.4
|
13.4
|
30
|
|
550
|
505
|
77.0
|
52.0
|
|
|
200
|
190
|
|
91.4
|
11.0
|
29
|
|
540
|
496
|
76.7
|
51.7
|
69
|
|
190
|
181
|
|
89.6
|
8.5
|
28
|
|
530
|
488
|
76.4
|
51.1
|
|
|
180
|
171
|
|
87.1
|
6.0
|
26
|
|
520
|
480
|
76.1
|
50.5
|
67
|
|
170
|
162
|
|
85.0
|
3.0
|
25
|
|
510
|
473
|
75.7
|
49.3
|
|
|
160
|
152
|
|
81.7
|
0.0
|
24
|
|
500
|
465
|
75.3
|
49.1
|
66
|
|
150
|
143
|
|
78.7
|
|
22
|
|
490
|
456
|
74.9
|
48.4
|
|
|
140
|
133
|
|
75.0
|
|
21
|
|
480
|
446
|
74.5
|
47.7
|
64
|
|
130
|
124
|
|
71.2
|
|
20
|
|
470
|
441
|
74.1
|
46.9
|
|
|
120
|
114
|
|
66.7
|
|
|
|
460
|
430
|
73.6
|
46.1
|
62
|
|
110
|
105
|
|
62.0
|
|
|
|
450
|
425
|
73.3
|
45.0
|
|
|
100
|
95
|
|
56.2
|
|
|
|
440
|
415
|
72.8
|
44.5
|
60
|
|
95
|
90
|
|
52.0
|
|
|
|
430
|
405
|
72.3
|
43.6
|
|
|
90
|
86
|
|
48.0
|
|
|
|
420
|
397
|
71.8
|
42.7
|
57
|
|
85
|
81
|
|
41.0
|
|
|
