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Rockwell Hardness Vickers
Hardness		 Rockwell Hardness Vickers
Hardness
B Scale F Scale Superficial B Scale F Scale Superficial
HB HF H30T H15T Hv HB HF H30T H15T Hv
100 113.3 80.8 90.6 235 75 99.3 64.8 82.8 140
99.5 113.0 80.5   232 74.5 99.0 64.4   138
99 112.7 80.1 90.3 229 74 98.7 64.1 82.5 137
98.5 112.4 79.8   227 73.5 98.5 63.8   136
98 112.1 7.5 90.0 224 73 98.2 63.5 82.2 134
97.5 111.9 79.2   221 72.5 97.9 63.2    
97 111.6 78.9 89.7 218 72 97.6 62.8 81.9 132
96.5 111.3 78.5   216 71.5 97.3 62.5   131
96 111.0 78.2 89.4 214 71 97.1 62.2 81.6 129
95.5 110.7 77.9   211 70.5 96.8 61.9   128
95 110.5 77.6 89.1 209 70 96.5 61.6 81.3 127
94.5 110.2 77.3   207 69 95.9 60.9 81.0 125
94 109.9 76.9 88.8 205 68 95.4 60.3 80.7 123
93.5 109.6 76.6   202 67 94.8 59.6 80.3 120
93 109.3 76.3 88.5 200 66 94.3 59.0 80.0 119
92.5 109.1 76.0   198 65 93.7 58.4 79.7 117
92 108.8 75.7 88.1 196 64 93.2 57.7 79.4 115
91.5 108.5 75.3   194 63 92.6 57.1 79.1 113
91 108.2 75.0 87.8 192 62 92.0 56.4 78.8 111
90.5 107.9 74.7   190 61 91.5 55.8 78.5 109
90 107.7 74.4 87.5 188 60 90.9 55.2 78.2 107
89.5 107.4 74.1   186 59 90.4 54.5 77.8 106
89 107.1 73.7 87.2 184 58 89.8 53.9 77.5 104
88.5 106.8 73.4   182 57 89.2 53.2 77.2 103
88 106.6 73.1 86.9 180 56 88.7 52.6 76.9 102
87.5 106.3 72.8   178 55 88.1 51.9 76.6 100
87 106.0 72.4 86.6 176 54 87.5 51.3 76.3 99
86.5 105.7 72.1   175 53 87.0 50.7 75.9 98
86 105.4 71.8 86.3 173 52 86.5 50.0 75.7 96
85.5 105.2 71.5   171 51 85.9 49.4 75.4 95
85 104.9 71.2 86.0 170 50 85.3 48.7 75.0 94
84.5 104.6 70.8   168 49 84.8 48.1 74.7 93
84 104.3 70.5 85.6 166 48 84.2 47.5 74.4 92
83.5 104.0 70.2   164 47 83.7 46.8 74.1 91
83 103.8 69.9 85.4 163 46 83.1 46.2 73.8 90
82.5 103.5 69.6   161 45 82.5 45.5 73.5 89
82 103.2 69.2 85.0 160 44 82.0 44.9 73.2 88
81.5 102.9 68.9   158 43 81.4 44.3 72.9 87
81 102.6 68.6 84.7 156 42 80.9 43.6 72.5 86
80.5 102.4 68.3   155 41 80.3 43.0 72.2 85
80 102.1 68.0 84.4 154 40 79.3 42.3 71.9 84
79.5 101.8 67.6   152 39 79.2 41.7 71.6 83
79 101.5 67.3 84.1 150 38 78.6 41.1 71.3 82
78.5 101.2 67.0   149 37 78.1 40.4 71.0 81
78 101.0 66.7 83.7 147 36 77.5 39.8 70.7 80
77.5 100.7 66.4   146 35 77.0 39.1 70.4 80
77 100.4 66.0 83.5 145 34 76.4 38.5 70 80
76.5 100.1 65.7   144 33 75.8 37.9 69.7 78
76 99.9 65.4 83.2 142 32 75.3 37.2 69.4 78
75.5 99.6 65.1   141 31 74.7 36.6 68.1 77