BUEHLER®

Load 500gf (0.5kgf)
Diagonal Vickers Hardness Number
(µm) 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
112 73.9 73.8 73.6 73.5 73.4 73.2 73.1 73.0 72.9 72.7
113 72.6 72.5 72.3 72.2 72.1 72.0 71.8 71.7 71.6 71.5
114 71.3 71.2 71.1 71.0 70.8 70.7 70.6 70.5 70.3 70.2
115 70.1 70.0 69.9 69.7 69.6 69.5 69.4 69.2 69.1 69.0
116 68.9 68.8 68.7 68.5 68.4 68.3 68.2 68.1 68.0 67.8
117 67.7 67.6 67.5 67.4 67.3 67.1 67.0 66.9 66.8 66.7
118 66.6 66.5 66.4 66.2 66.1 66.0 65.9 65.8 65.7 65.6
119 65.5 65.4 65.2 65.1 65.0 64.9 64.8 64.7 64.6 64.5
120 64.4 64.3 64.2 64.1 63.9 63.8 63.7 63.6 63.5 63.4
121 63.3 63.2 63.1 63.0 62.9 62.8 62.7 62.6 62.5 62.4
122 62.3 62.2 62.1 62.0 61.9 61.8 61.7 61.6 61.5 61.4
123 61.3 61.2 61.1 61.0 60.9 60.8 60.7 60.6 60.5 60.4
124 60.3 60.2 60.1 60.0 59.9 59.8 59.7 59.6 59.5 59.4
125 59.3 59.2 59.1 59.0 59.0 58.9 58.8 58.7 58.6 58.5
126 58.4 58.3 58.2 58.1 58.0 57.9 57.8 57.7 57.7 57.6
127 57.5 57.4 57.3 57.2 57.1 57.0 56.9 56.8 56.8 56.7
128 56.6 56.5 56.4 56.3 56.2 56.1 56.1 56.0 55.9 55.8
129 55.7 55.6 55.5 55.4 55.4 55.3 55.2 55.1 55.0 54.9
130 54.9 54.8 54.7 54.6 54.5 54.4 54.3 54.3 54.2 54.1
131 54.0 53.9 53.9 53.8 53.7 53.6 53.5 53.4 53.4 53.3
132 53.2 53.1 53.0 53.0 52.9 52.8 52.7 52.6 52.6 52.5
133 52.4 52.3 52.2 52.2 52.1 52.0 51.9 51.9 51.8 51.7
134 51.6 51.5 51.5 51.4 51.3 51.2 51.2 51.1 51.0 50.9
135 50.9 50.8 50.7 50.6 50.6 50.5 50.4 50.3 50.3 50.2
136 50.1 50.0 50.0 49.9 49.8 49.8 49.7 49.6 49.5 49.5
137 49.4 49.3 49.2 49.2 49.1 49.0 49.0 48.9 48.8 48.7
138 48.7 48.6 48.5 48.5 48.4 48.3 48.3 48.2 48.1 48.0
139 48.0 47.9 47.8 47.8 47.7 47.6 47.6 47.5 47.4 47.4
140 47.3 47.2 47.2 47.1 47.0 47.0 46.9 46.8 46.8 46.7
141 46.6 46.6 46.5 46.4 46.4 46.3 46.2 46.2 46.1 46.0
142 46.0 45.9 45.8 45.8 45.7 45.7 45.6 45.5 45.5 45.4
143 45.3 45.3 45.2 45.1 45.1 45.0 45.0 44.9 44.8 44.8
144 44.7 44.6 44.6 44.5 44.5 44.4 44.3 44.3 44.2 44.2
145 44.1 44.0 44.0 43.9 43.8 43.8 43.7 43.7 43.6 43.5
146 43.5 43.4 43.4 43.3 43.3 43.2 43.1 43.1 43.0 43.0
147 42.9 42.8 42.8 42.7 42.7 42.6 42.6 42.5 42.4 42.4
148 42.3 42.3 42.2 42.1 42.1 42.0 42.0 41.9 41.9 41.8
149 41.8 41.7 41.6 41.6 41.5 41.5 41.4 41.4 41.3 41.3
150 41.2 41.1 41.1 41.0 41.0 40.9 40.9 40.8 40.8 40.7
151 40.7 40.6 40.5 40.5 40.4 40.4 40.3 40.3 40.2 40.2
152 40.1 40.1 40.0 40.0 39.9 39.9 39.8 39.8 39.7 39.7
153 39.6 39.5 39.5 39.4 39.4 39.3 39.3 39.2 39.2 39.1
154 39.1 39.0 39.0 38.9 38.9 38.8 38.8 38.7 38.7 38.6
155 38.6 38.5 38.5 38.4 38.4 38.3 38.3 38.2 38.2 38.1
156 38.1 38.0 38.0 37.9 37.9 37.8 37.8 37.8 37.7 37.7
16