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Hardness Conversion Chart


Hardness Conversion Chart
Brinell Hardness Rockwell Hardness Tensile Strength
Tungsten Carbide Ball 3000KG A
Scale 60KG		 B
Scale 100KG		 C
Scale 150GB		 Approx
  85.6   68  
  85.6   67.5  
  85   67  
767 84.7   66.4  
757 84.4   65.9  
745 84.1   65.3  
733 83.8   64.7  
722 83.4   64  
712        
710 83   63.3  
698 82.6   62.5  
684 82.2   61.8  
682 82.2   61.7  
670 81.8   61  
656 81.3   60.1  
653 81.2   60  
647 81.1   59.7  
638 80.8   59.2 329000
630 80.6   58.8 324000
627 80.5   58.7 323000
601 79.8   57.3 309000
578 79.1   56 297000
555 78.4   54.7 298000
534 77.8   53.5 288000
514 76.9   52.1 274000
495 76.3   51 264000
477 75.6   49.6 252000
461 74.9   48.5 242000
444 74.2   47.1 230000
429 73.4   45.7 219000
415 72.8   44.5 212000
401 72   43.1 202000
388 71.4   41.8 193000
375 70.6   40.4 184000
363 70   39.1 177000
352 69.3   37.9 170000
341 68.7   36.6 163000
331 68.1   35.5 158000
321 67.5   34.3 152000
311 66.9   33.1 147000
302 66.3   32.1 143000
293 65.7   30.9 139000
285 65.3   29.9 136000
277 64.6   28.8 131000
269 64.1   27.6 128000
262 63.6   26.6 125000
255 63   25.4 121000
248 62.5   24.2 118000
241 61.8 100 22.8 114000
235 61.4 99 21.7 111000
229 60.8 98.2 20.5 109000
223   97.3 20  
217   96.4 18 103000
212   95.5 17 100000
207   94.6 16 100000
201   93.8 15 99000
197   92.8   97000
192   91.9   94000
187   90.7   92000
183   90   89000
179   89   88000
174   87.8   86000
170   86.8   84000
167   86   83000
163   85   82000
156   82.9   80000
149   80.8   73000
143   783.7   71000
137   76.4   67000
131   74   65000
126   72   63000
121   69.8   60000
116   67.6   58000
111   65.7   56000
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