BUEHLER®

Load 1000gf (1kgf)
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
170 64.2 64.1 64.0 63.9 63.9 63.8 63.7 63.6 63.6 63.5
171 63.4 63.3 63.3 63.2 63.1 63.0 63.0 62.9 62.8 62.7
172 62.7 62.6 62.5 62.5 62.4 62.3 62.2 62.2 62.1 62.0
173 61.9 61.9 61.8 61.7 61.7 61.6 61.5 61.4 61.4 61.3
174 61.2 61.2 61.1 61.0 61.0 60.9 60.8 60.7 60.7 60.6
175 60.5 60.5 60.4 60.3 60.3 60.2 60.1 60.1 60.0 59.9
176 59.9 59.8 59.7 59.6 59.6 59.5 59.4 59.4 59.3 59.2
177 59.2 59.1 59.0 59.0 58.9 58.8 58.8 58.7 58.6 58.6
178 58.5 58.4 58.4 58.3 58.3 58.2 58.1 58.1 58.0 57.9
179 57.9 57.8 57.7 57.7 57.6 57.5 57.5 57.4 57.3 57.3
180 57.2 57.2 57.1 57.0 57.0 56.9 56.8 56.8 56.7 56.7
181 56.6 56.5 56.5 56.4 56.3 56.3 56.2 56.2 56.1 56.0
182 56.0 55.9 55.8 55.8 55.7 55.7 55.6 55.5 55.5 55.4
183 55.4 55.3 55.2 55.2 55.1 55.1 55.0 54.9 54.9 54.8
184 54.8 54.7 54.6 54.6 54.5 54.5 54.4 54.3 54.3 54.2
185 54.2 54.1 54.1 54.0 53.9 53.9 53.8 53.8 53.7 53.6
186 53.6 53.5 53.5 53.4 53.4 53.3 53.2 53.2 53.1 53.1
187 53.0 53.0 52.9 52.8 52.8 52.7 52.7 52.6 52.6 52.5
188 52.5 52.4 52.3 52.3 52.2 52.2 52.1 52.1 52.0 52.0
189 51.9 51.8 51.8 51.7 51.7 51.6 51.6 51.5 51.5 51.4
190 51.4 51.3 51.2 51.2 51.1 51.1 51.0 51.0 50.9 50.9
191 50.8 50.8 50.7 50.7 50.6 50.6 50.5 50.5 50.4 50.3
192 50.3 50.2 50.2 50.1 50.1 50.0 50.0 49.9 49.9 49.8
193 49.8 49.7 49.7 49.6 49.6 49.5 49.5 49.4 49.4 49.3
194 49.3 49.2 49.2 49.1 49.1 49.0 49.0 48.9 48.9 48.8
195 48.8 48.7 48.7 48.6 48.6 48.5 48.5 48.4 48.4 48.3
196 48.3 48.2 48.2 48.1 48.1 48.0 48.0 47.9 47.9 47.8
197 47.8 47.7 47.7 47.6 47.6 47.5 47.5 47.4 47.4 47.3
198 47.3 47.2 47.2 47.1 47.1 47.1 47.0 47.0 46.9 46.9
199 46.8 46.8 46.7 46.7 46.6 46.6 46.5 46.5 46.4 46.4
200 46.4 46.3 46.3 46.2 46.2 46.1 46.1 46.0 46.0 45.9
201 45.9 45.8 45.8 45.8 45.7 45.7 45.6 45.6 45.5 45.5
202 45.4 45.4 45.3 45.3 45.3 45.2 45.2 45.1 45.1 45.0
203 45.0 44.9 44.9 44.9 44.8 44.8 44.7 44.7 44.6 44.6
204 44.6 44.5 44.5 44.4 44.4 44.3 44.3 44.2 44.2 44.2
205 44.1 44.1 44.0 44.0 43.9 43.9 43.9 43.8 43.8 43.7
206 43.7 43.6 43.6 43.6 43.5 43.5 43.4 43.4 43.4 43.3
207 43.3 43.2 43.2 43.1 43.1 43.1 43.0 43.0 42.9 42.9
208 42.9 42.8 42.8 42.7 42.7 42.6 42.6 42.6 42.5 42.5
209 42.4 42.4 42.4 42.3 42.3 42.2 42.2 42.2 42.1 42.1
210 42.0 42.0 42.0 41.9 41.9 41.8 41.8 41.8 41.7 41.7
211 41.6 41.6 41.6 41.5 41.5 41.4 41.4 41.4 41.3 41.3
212 41.3 41.2 41.2 41.1 41.1 41.1 41.0 41.0 40.9 40.9
213 40.9 40.8 40.8 40.8 40.7 40.7 40.6 40.6 40.6 40.5
214 40.5 40.4 40.4 40.4 40.3 40.3 40.3 40.2 40.2 40.1
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