BẢNG 1. BẢNG CHUYỂN ĐỔI GIÁ TRỊ ĐỘ CỨNG TỔNG QUÁT

Rockwell Rockwell Superficial Brinell Vickers Shore  
A B C D E F G H K 15-N 30-N 45-N 30-T 45-T 3000
kg
500
kg
HV HS Approx
Tensile
Strength
(psi)
60kg
Brale
100kg
1/16″ Ball
150kg
Brale
100kg
Brale
100kg
1/8″ Ball
60kg
1/16″ Ball
150kg
1/16″ Ball
60kg
1/8″ Ball
150kg
1/8″ Ball
15kg
Brale
30kg
Brale
45kg
Brale
30kg
1/16″
Ball
45kg
1/16″
Ball
10mm
Ball Steel
10mm
Ball Steel
Diamond
Pyramid
Sciero
-scope
92.0 80 86.5 96.5 92.0 87 1865
91.5 79 85.5 91.5 86.5 1787
91.0 78 84.5 96 91.0 85.5 1710
90.5 77 84.0 90.5 84.5 1633
90.0 76 83.0 95.5 90.0 83.5 1556
89.5 75 82.5 89.0 82.5 1478
89.0 74 81.5 95 88.5 81.5 1400
88.5 73 81.0 88.0 80.5 1323
88.0 72 80.0 94.5 87.0 79.5 1245
87.0 71 79.5 86.5 78.5 1160
86.5 70 78.5 94.0 86.0 77.5 1076 101
86.0 69 77.7 93.5 85.0 76.5 1044 99
85.6 68 76.9 93.2 84.4 75.4 940 97
85.0 67 76.1 92.9 83.6 74.2 900 95
84.5 66 75.4 92.5 82.8 73.2 865 92
83.9 65 74.5 92.2 81.9 72.0 739 832 91
83.4 64 73.8 91.8 81.1 71.0 722 800 88
82.8 63 73.0 91.4 80.1 69.9 705 772 87
82.3 62 72.2 91.1 79.3 68.8 688 746 85
81.8 61 71.5 90.7 78.4 67.7 670 720 83
81.2 60 70.7 90.2 77.5 66.6 654 697 81 320,000
80.7 59 69.9 89.8 76.6 65.5 634 674 80 310,000
80.1 58 69.2 89.3 75.7 64.3 615 653 78 300,000
79.6 57 68.5 88.9 74.8 63.2 595 633 76 290,000
79.0 56 67.7 88.3 73.9 62.0 577 613 75 282,000
78.5 120 55 66.9 87.9 73.0 60.9 560 595 74 274,000
78.0 120 54 66.1 87.4 72.0 59.8 543 577 72 266,000
77.4 119 53 65.4 86.9 71.2 58.6 525 560 71 257,000
76.8 119 52 64.6 86.4 70.2 57.4 500 544 69 245,000
76.3 118 51 63.8 85.9 69.4 56.1 487 528 68 239,000
75.9 117 50 63.1 85.5 68.5 55.0 475 513 67 233,000
75.2 117 49 62.1 85.0 67.6 53.8 464 498 66 227,000
74.7 116 48 61.4 84.5 66.7 52.5 451 484 64 221,000
74.1 116 47 60.8 83.9 65.8 51.4 442 471 63 217,000
73.6 115 46 60.0 83.5 64.8 50.3 432 458 62 212,000
73.1 115 45 59.2 83.0 64.0 49.0 421 446 60 206,000
72.5 114 44 58.5 82.5 63.1 47.8 409 434 58 200,000
72.0 113 43 57.7 82.0 62.2 46.7 400 423 57 196,000
71.5 113 42 56.9 81.5 61.3 45.5 390 412 56 191,000
70.9 112 41 56.2 80.9 60.4 44.3 381 402 55 187,000
70.4 112 40 55.4 80.4 59.5 43.1 371 392 54 182,000
69.9 111 39 54.6 79.9 58.6 41.9 362 382 52 177,000
69.4 110 38 53.8 79.4 57.7 40.8 353 372 51 173,000
68.9 110 37 53.1 78.8 56.8 39.6 344 363 50 169,000
68.4 109 36 52.3 78.3 55.9 38.4 336 354 49 165,000
67.9 109 35 51.5 77.7 55.0 37.2 327 345 48 160,000
67.4 108 34 50.8 77.2 54.2 36.1 319 336 47 156,000
66.8 108 33 50.0 76.6 53.3 34.9 311 327 46 152,000
66.3 107 32 49.2 76.1 52.1 33.7 301 318 44 147,000
65.8 106 31 48.4 75.6 51.3 32.5 294 310 43 144,000
65.3 105 30 47.7   92.0 75.0 50.4 31.3 286 302 42 140,000
64.7 104 29 47.0   91.0 74.5 49.5 30.1 279 294 41 137,000
64.3 104 28 46.1   90.0 73.9 48.6 28.9 271 286 41 133,000
63.8 103 27 45.2   89.0 73.3 47.7 27.8 264 279 40 129,000
63.3 103 26 44.6   88.0 72.8 46.8 26.7 258 272 39 126,000
62.8 102 25 43.8   87.0 72.2 45.9 25.5 253 266 38 124,000
62.4 101 24 43.1   86.0 71.6 45.0 24.3 247 260 37 121,000
62.0 100 23 42.1   84.5 71.0 44.0 23.1 82.0 72.0 240 201 254 36 118,000
61.5 99 22 41.6   83.5 70.5 43.2 22.0 81.5 71.0 234 195 248 35 115,000
61.0 98 21 40.9   82.5 69.9 42.3 20.7 81.0 70.0 228 189 243 35 112,000
60.5 97 20 40.1   81.0 69.4 41.5 19.6 80.5 69.0 222 184 238 34 109,000
59.0 96 18   76.0 80.0 68.0 216 179 230 33 106,000
58.0 95 16   74.0 79.0 67.0 210 175 222 32 103,000
57.5 94 15   72.5 78.5 66.0 205 171 213 31 100,000
57.0 93 13   71.0 78.0 65.0 200 167 208 30 98,000
56.5 92 12   69.0 100.0 77.5 64.5 195 163 204 29 96,000
56.0 91 10  67.5   99.5 77.0 63.5 190 160 196 28 93,000
55.5 90 9   66.0   98.5 76.0 62.5 185 157 192 27 91,000
55.0 89 8   64.0   98.0 75.5 61.5 180 154 188 26 88,000
54.0 88 7   62.5   97.0 75.0 60.5 176 151 184 26 86,000
53.5 87 6   61.0   96.5 74.5 59.5 172 148 180 26 84,000
53.0 86 5   59.0   95.5 74.0 58.5 169 145 176 25 83,000
52.5 85 4   57.5   94.5 73.5 58.0 165 142 173 25 81,000
52.0 84 3   56.0   94.0 73.0 57.0 162 140 170 25 79,000
51.0 83 2   54.0   93.0 72.0 56.0 159 137 166 24 78,000
50.5 82 1   52.5  92.0 71.5 55.0 156 135 163 24 76,000
50.0 81 0   51.0   91.0 71.0 54.0 153 133 160 24 75,000
49.5 80   49.0   90.5 70.0 53.0 150 130 73,000
49.0 79   47.5   89.5 69.5 52.0 147 128
48.5 78   46.0   88.5 69.0 51.0 144 126
48.0 77   44.0   88.0 68.0 50.0 141 124
47.0 76   42.5   87.0 67.5 49.0 139 122
46.5 75 99.5   41.0   86.0 67.0 48.5 137 120
46.0 74 99.0   39.0   85.0 66.0 47.5 135 118
45.5 73 98.5   37.5   84.5 65.5 46.5 132 116
45.0 72 98.0   36.0   83.5 65.0 45.5 130 114
44.5 71 100.0 97.5   34.5   82.5 64.2 44.5 127 112
44.0 70 99.5 97.0   32.5   81.5 63.5 43.5 125 110
43.5 69 99.0 96.0   31.0   81.0 62.8 42.5 123 109
43.0 68 98.0 95.5   29.5   80.0 62.0 41.5 121 107
42.5 67 97.5 95.0   28.0   79.0 61.4 40.5 119 106
42.0 66 97.0 94.5   26.5   78.0 60.5 39.5 117 104
41.8 65 96.0 94.0   25.0   77.5 60.1 38.5 116 102
41.5 64 95.5 93.5   23.5   76.5 59.5 37.5 114 101
41.0 63 95.0 93.0   22.0   75.5 58.7 36.5 112 99
40.5 62 94.5 92.0   20.5   74.5 58.0 35.5 110 98
40.0 61 93.5 91.5   19.0   74.0 57.3 34.5 108 96
39.5 60 93.0 91.0   17.5   73.0 56.5 33.5 107 95
39.0 59 92.5 90.5   16.0   72.0 55.9 32.0 106 94
38.5 58 92.0 90.0   14.5   71.0 55.0 31.0 104 92
38.0 57 91.0 89.5   13.0   70.5 54.6 30.0 102 91
37.8 56 90.5 89.0    11.5   69.5 54.0 29.0 101 90
37.5 55 90.0 88.0   10.0   68.5 53.2 28.0 99 89
37.0 54 89.5 87.5     8.5   68.0 52.5 27.0 87
36.5 53 89.0 87.0     7.0   67.0 51.8 26.0 86
36.0 52 88.0 86.5     5.5   66.0 51.0 25.0 85
35.5 51 87.5 86.0     4.0   65.0 50.4 24.0 84
35.0 50 87.0 85.5     2.5   64.5 49.5 23.0 83
34.8 49 86.5 85.0   63.5 49.1 22.0 82
34.5 48 85.5 84.5   62.5 48.5 20.5 81
34.0 47 85.0 84.0   61.5 47.7 19.5 80
33.5 46 84.5 83.0   61.0 47.0 18.5 79
33.0 45 84.0 82.5   60.0 46.2 17.5 79
32.5 44 83.5 82.0   59.0 45.5 16.5 78
32.0 43 82.5 81.5   58.0 44.8 15.5 77
31.5 42 82.0 81.0   57.5 44.0 14.5 76
31.0 41 81.5 80.5   56.5 43.4 13.5 75
30.8 40 81.0 79.5   55.5 43.0 12.5 74
30.5 39 80.0 79.0   54.5 42.1 11.0 74
30.0 38 79.5 78.5   54.0 41.5 10.0 73
29.5 37 79.0 78.0   53.0 40.7 9.0 72
29.0 36 78.5 77.5 100.0   52.5 40.0 8.0 71
28.5 35 78.0 77.0 99.5   51.5 39.3 7.0 71
28.0 34 77.0 76.5 99.0   50.5 38.5 6.0 70
27.8 33 76.5 75.5   49.5 37.9 5.0 69
27.5 32 76.0 75.0 98.5   48.5 37.5 4.0 68
27.0 31 75.5 74.5 98.0   48.0 36.6 3.0 68
26.5 30 75.0 74.0   47.0 36.0 2.0 67
26.0 29 74.0 73.5 97.5   46.0 35.2 1.0 66
25.5 28 73.5 73.0 97.0   45.0 34.5 66
25.0 27 73.0 72.5 96.5   44.5 33.8 65
24.5 26 72.5 72.0   43.5 33.1 65
24.2 25 72.0 71.0 96.0   42.0 32.4 64
24.0 24 71.0 70.5 95.5   41.5 32.0 64
23.5 23 70.5 70.0   41.0 31.1 63
23.0 22 70.0 69.5 95.0   40.0 30.4 63
22.5 21 69.5 69.0 94.5   39.0 29.7 62
22.0 20 68.5 68.5   38.0 29.0 62
21.5 19 68.0 68.0 94.0   37.5 28.1 61
21.2 18 67.5 67.0 93.5   36.5 27.4 61
21.0 17 67.0 66.5 93.0   35.5 26.7 60
20.5 16 66.5 66.0   35.0 26.0 60
20.0 15 65.5 65.5 92.5   34.0 25.3 59
14 65.0 65.0 92.0   33.0 24.6 59
13 64.5 64.5  32.0 23.9 58
12 64.0 64.0 91.5   31.5 23.5 58
11 63.5 63.5 91.0   30.5 22.6 57
10 62.5 63.0 90.5   29.5 21.9 57
9 62.0 62.0   29.0 21.2 56
8 61.5 61.5 90.0   28.0 20.5 56
7 61.0 61.0 89.5   27.0 19.8 56
6 60.5 60.5   26.0 19.1 55
5 60.0 60.0 89.0   25.5 18.4 55
4 59.0 59.5 88.5   24.5 18.0 55
3 58.5 59.0 88.0   23.5 17.1 54
2 58.0 58.0   23.0 16.4 54
1 57.5 57.5 87.5   22.0 15.7 53
0 57.0 57.0 87.0   21.0 15.0 53

Diễn giải:

SUMMRY SYMBOLS
MÁY ĐO ĐỘ CỨNG ROCKWELL
MÁY ĐO ĐỘ CỨNG ROCKWELL SUPERFICAL
  Đầu đo Lực   Đầu đo   Lực
C Scale Diamond 150kg 15N Diamond Penetrator 15kg
A Scale Diamond 60kg 30N Diamond Penetrator 30kg
D Scale Diamond 100kg 45N Diamond Penetrator 45kg
B Scale 1/16″Ball 100kg 15T 1/16″Ball Penetrator 15kg
E Scale 1/8″Ball 100kg 30T 1/16″Ball Penetrator 30kg
F Scale 1/16″Ball 60kg 45T 1/16″Ball Penetrator 45kg
G Scale 1/16″Ball 150kg
H Scale 1/8″Ball 60kg MÁY ĐO ĐỘ CỨNG VICKER
K Scale 1/8″Ball 150kg Đầu đo kim cương hình kim tự tháp 4 mặt 136°
MÁY ĐO ĐỘ CỨNG BRINELL Lực đo 10kg
Lựcđo30=3000kg, đầu bi 10mm Đo 2 đường chéo bằng kính hiển vi
Lựcđo5=500kg, đầu bi 10mm Giá trị độ cứng được tính toán bằng công thức

 

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