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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