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Hardness Conversion Table (second page)

RA 60 Brale RB 100 1/16” RC 150 Brale RE 100 1/8” R15T 1/16” R30T 1/16” R45T 1/16” HB 500 10mm HB 3000 10mm HV Diamond Pyramid Knoop
55.5 90 9 - 90 76 62.5 157 185 192 201
55 89 8 - 89.5 75.5 61.5 154 180 188 196
54 88 7 - 89.3 75 60.5 151 176 184 192
53.5 87 6 - 89 74.5 59.5 148 172 180 188
53 86 5 - 88.5 74 58.5 145 169 176 184
52.5 85 4 - 88.3 73.5 58 142 165 172 180
52 84 3 - 88 73 57 140 162 168 176
51 83 2 - 87.5 72 56 137 159 164 173
50.5 82 1 - 87.3 71.5 55 135 156 160 170
50 81 - - 87 71 54 133 153 156 167
49.5 80 - - 86.5 70 53 130 150 152 164
49 79 - - 86.3 69.5 52 128 147 148 161
48.5 78 - - 86 68 51 126 144 144 158
48 77 - - 85.5 68 50 124 141 141 155
47 76 - - 85.3 67.5 49 122 139 139 152
46.5 75 - - 85 67 48.5 120 137 137 150
46 74 - - 84.8 66 47.5 118 135 135 147
45.5 73 - - 84.5 65.5 46.5 116 132 132 145
45 72 - - 84 65 45.5 114 130 130 143
44.5 71 - 100 83.8 64 44.5 112 127 127 141
RA 60 Brale RB 100 1/16” RC 150 Brale RE 100 1/8” R15T 1/16” R30T 1/16” R45T 1/16” HB 500 10mm HB 3000 10mm HV Diamond Pyramid Knoop
44 70 - 99.5 83.5 63.5 43.5 110 125 125 139
43.5 69 - 99 83 62.5 42.5 109 123 123 137
43 68 - 98 82.8 62 41.5 107 121 120 135
42.5 67 - 97.5 82.5 61.5 40.5 106 119 118 133
42 66 - 97 82 60.5 39.5 104 117 116 131
41.8 65 - 96 81.8 60 38.5 102 116 115 129
41.5 64 - 95.5 81.5 59.5 37.5 101 114 114 127
41 63 - 95 81 58.5 36.5 99 112 113 126
40.5 62 - 94.5 80.8 58 35.5 98 110 112 124
40 61 - 93.5 80.5 57 34.5 96 108 111 122
39.5 60 - 93 80.3 56.5 33.5 95 107 110 120
39 59 - 92.5 80 56 32 94 106 108 118
38.5 58 - 92 79.5 55 31 92 104 107 117
38 57 - 91 79.3 54.5 30 91 102 106 115
37.8 56 - 90.5 79 54 29 90 101 105 114
37.5 55 - 90 78.5 53 28 89 99 104 112
37 54 - 89.5 78.3 52.5 27 87 - 103 111
36.5 53 - 89 78 51.5 26 86 - 102 110
36 52 - 88 77.5 51 25 85 - 101 109
35.5 51 - 87.5 77.3 50.5 24 84 - 100 108
35 50 - 87 77 49.5 23 83 - 100 107
RA 60 Brale RB 100 1/16” RC 150 Brale RE 100 1/8” R15T 1/16” R30T 1/16” R45T 1/16” HB 500 10mm HB 3000 10mm HV Diamond Pyramid Knoop
34.8 49 - 86.5 76.5 49 22 82 - 99 106
34.5 48 - 85.5 76.3 48.5 20.5 81 - 98 105
34 47 - 85 76 47.5 19.5 80 - 97 104
33.5 46 - 84.5 75.5 47 18.5 79.5 - 96 103
33 45 - 84 75.3 46 17.5 79 - 95 102
32.5 44 - 83.5 75 45.5 16.5 78 - 95 101
32 43 - 82.5 74.5 45 15.5 77 - 94 100
31.5 42 - 82 74.3 44 14.5 76 - 93 99
31 41 - 81.5 74 43.5 13.5 75 - 92 98
30.8 40 - 81 73.5 43 12.5 74.5 - 91 97
30.5 39 - 80 73.3 42 11 74 - 90 96
30 38 - 79.5 73 41.5 10 73 - 90 95
29.5 37 - 79 72.5 40.5 9 72 - 89 94
29 36 - 78.5 72.3 40 8 71.5 - 88 93
28.5 35 - 78 72 39.5 7 71 - 88 -
28 34 - 77 71.5 38.5 6 70 - 87 -
27.8 33 - 76.5 71.3 38 5 69 - 87 -
27.5 32 - 76 71 37.5 4 68.5 - 86 -
27 31 - 75.5 70.8 36.5 3 68 - 86 -
26.5 30 - 75 70.5 36 2 67 - 85 -
26 29 - 74 70 35.5 1 66.5 - 85 -
RA 60 Brale RB 100 1/16” RC 150 Brale RE 100 1/8” R15T 1/16” R30T 1/16” R45T 1/16” HB 500 10mm HB 3000 10mm HV Diamond Pyramid Knoop
25.5 28 - 73.5 69.8 34.5 - 66 - 84 -
25 27 - 73 69.5 34 - 65.5 - 84 -
24.5 26 - 72.5 69 33 - 65 - 83 -
24.3 25 - 72 68.8 32.5 - 64 - 83 -
24 24 - 71 68.5 32 - 63.5 - 82 -
23.5 23 - 70.5 68 31 - 63 - 82 -
23 22 - 70 67.8 30.5 - 62.5 - 81 -
22.5 21 - 69.5 67.5 29.5 - 62 - 81 -
22 20 - 68.5 67.3 29 - 61.5 - 80 -
21.5 19 - 68 67 28.5 - 61 - 80 -
21.3 18 - 67.5 66.5 27.5 - 60.5 - 79 -
21 17 - 67 66.3 27 - 60 - 79 -
20.5 16 - 66.5 66 26 - 59.5 - 78 -
20 15 - 65.5 65.5 25.5 - 59 - 78 -
- 14 - 65 65.3 25 - 58.5 - 77 -
- 13 - 64.5 65 24 - 58 - 77 -
- 12 - 64 64.5 23.5 - 57.7 - 76 -
- 11 - 63.5 64.3 23 - 57.3 - 76 -
- 10 - 62.5 64 22 - 57 - 75 -
- 9 - 62 63.8 21.5 - 56.7 - 75 -
- 8 - 61.5 63.5 20.5 - 56.3 - 74 -
- 7 - 61 63 20 - 56 - 74 -
- 6 - 60.5 62.8 19.5 - 55.5 - 73 -
- 5 - 60 62.5 18.5 - 55 - 73 -
- 4 - 59 62 18 - 54.7 - 72 -
- 3 - 58.5 61.8 17 - 54.3 - 72 -
- 2 - 58 61.5 16.5 - 54 - 71 -
- 1 - 57.5 61 16 - 53.5 - 71 -
- - - 57 60.8 15 - 53 - 70 -
RA 60 Brale RB 100 1/16” RC 150 Brale RE 100 1/8” R15T 1/16” R30T 1/16” R45T 1/16” HB 500 10mm HB 3000 10mm HV Diamond Pyramid Knoop


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hardness_conversion_table_2.txt · Last modified: 2023/12/13 by dmitri_kopeliovich
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