Hardness Comparison Table

Vickers' Hardness (DPH) Brinell Hardness 10mm Diam Ball Load: 3000 kg Rockwell Hardness (2) Rockwell Special Hardness Special Brale Equipment Shore Hardness Tensile Strength (100sq/m2 approx) Vickers' Hardness Load: 50kg
Std Ball Hultgren Ball Tungstic Carbide Ball A Scale Load: 60kg Brale Equip B Scale Load: 100kg 1/16in. Diam Ball C Scale Load: 150kg Brale Equip D Scale Load: 100kg Brale Equip 15-N Scale Load: 15kg 30-N Scale Load: 30kg 45-N Scale Load: 45kg
410 388 388 388 71.4 - 41.8 56.8 81.4 61.1 45.3 - 195 410
400 379 379 379 70.8 - 40.8 56 81 60.2 44.1 55 190 400
390 369 369 369 70.3 - 39.8 55.2 80.3 59.3 42.9 - 185 390
380 360 360 360 69.8 -110 38.8 54.4 79.8 58.4 41.7 52 180 380
370 350 350 350 69.2 - 37.7 53.6 79.2 57.4 40.4 - 175 370
360 341 341 341 68.7 -109 36.6 52.8 78.6 56.4 39.1 50 170 360
350 331 331 331 68.1 - 35.5 51.9 78 55.4 37.8 - 166 350
340 322 322 322 67.6 -108 34.4 51.1 77.4 54.4 36.5 47 161 340
330 313 313 313 67 - 33.3 50.2 76.8 53.6 35.2 - 156 330
320 303 303 303 66.4 -107 32.2 49.4 76.2 52.3 33.9 45 151 320
310 294 294 294 65.8 - 31 48.4 75.6 51.3 32.5 - 146 310
300 284 284 284 65.2 -105.5 29.8 47.5 74.9 50.2 31.1 42 141 300
295 280 280 280 64.8 - 29.2 47.1 74.6 49.7 30.4 - 139 295
290 275 275 275 64.5 -104.5 28.5 46.5 74.2 49 29.5 41 136 290
285 270 270 270 64.2 - 27.8 46 73.8 48.4 28.7 - 134 285
280 265 265 265 63.8 -103.5 27.1 45.3 73.4 47.8 27.9 40 131 280
275 261 261 261 63.5 - 26.4 44.9 73 47.2 27.1 - 129 275
270 256 256 256 63.1 -102 25.4 44.3 72.6 46.4 26.2 38 126 270
265 252 252 252 62.7 - 24.8 43.7 72.1 45.7 25.2 - 124 265
260 247 247 247 62.4 -101 24 43.1 71.6 45 24.3 37 121 260
255 243 243 243 62 - 23.1 42.2 71.1 44.2 23.2 - 119 255
250 238 238 238 61.6 99.5 22.2 41.7 70.6 43.4 22.2 36 116 250
245 233 233 233 61.2 - 21.3 41.1 70.1 42.5 21.1 - 114 245
240 228 228 228 60.7 98.1 20.3 40.3 69.6 41.7 19.9 34 110 240
230 219 219 219 - 96.7 -18 - - - - 33 106 230
220 209 209 209 - 95 -15.7 - - - - 32 101 220
210 200 200 200 - 93.4 -13.4 - - - - 30 97 210
200 190 190 190 - 91.5 -11 - - - - 29 92 200
190 181 181 181 - 89.4 -8.5 - - - - 28 88 190
180 171 171 171 - 87.1 -6 - - - - 26 84 180
170 162 162 162 - 85 -3 - - - - 25 79 170
160 152 152 152 - 81.7 0 - - - - 24 75 160
150 143 143 143 - 78.7 - - - - - 22 71 150
140 133 133 133 - 75 - - - - - 21 66 140
130 124 124 124 - 71.2 - - - - - 20 62 130
120 114 114 114 - 66.7 - - - - - - 57 120
110 105 105 105 - 62.3 - - - - - - - 110
100 95 95 95 - 56.2 - - - - - - - 100
95 90 90 90 - 52 - - - - - - - 95
90 86 86 86 - 48 - - - - - - - 90
85 81 81 81 - 41 - - - - - - - 85