Brinell Hardness | Rockwell Hardness | Tensile Strength (Approximate) | ||
Tungsten Carbide Ball 3000 KG | A Scale 60KG | B Scale 100KG | C Scale 150KG | |
– | 85.6 | – | 68.0 | – |
– | 85.3 | – | 67.5 | – |
– | 85.0 | – | 67.0 | – |
767 | 84.7 | – | 66.4 | – |
757 | 84.4 | – | 65.9 | – |
745 | 84.1 | – | 65.3 | – |
733 | 83.8 | – | 64.7 | – |
722 | 83.4 | – | 64.0 | – |
712 | – | – | – | – |
710 | 83.0 | – | 63.3 | – |
698 | 82.6 | – | 62.5 | – |
684 | 82.2 | – | 61.8 | – |
682 | 82.2 | – | 61.7 | – |
670 | 81.8 | – | 61.0 | – |
656 | 81.3 | – | 60.1 | – |
653 | 81.2 | – | 60.0 | – |
647 | 81.1 | – | 59.7 | – |
638 | 80.8 | – | 59.2 | 329,000 |
630 | 80.6 | – | 58.8 | 324,000 |
627 | 80.5 | – | 58.7 | 323,000 |
601 | 79.8 | – | 57.3 | 309,000 |
578 | 79.1 | – | 56.0 | 297,000 |
555 | 78.4 | – | 54.7 | 285,000 |
534 | 77.8 | – | 53.5 | 274,000 |
514 | 76.9 | – | 52.1 | 263,000 |
495 | 76.3 | – | 51.0 | 253,000 |
477 | 75.6 | – | 49.6 | 243,000 |
461 | 74.9 | – | 48.5 | 235,000 |
444 | 74.2 | – | 47.1 | 225,000 |
429 | 73.4 | – | 45.7 | 217,000 |
415 | 72.8 | – | 44.5 | 210,000 |
401 | 72.0 | – | 43.1 | 202,000 |
388 | 71.4 | – | 41.8 | 195,000 |
375 | 70.6 | – | 40.4 | 188,000 |
363 | 70.0 | – | 39.1 | 182,000 |
352 | 69.3 | – | 37.9 | 176,000 |
341 | 68.7 | – | 36.6 | 170,000 |
331 | 68.1 | – | 35.5 | 166,000 |
321 | 67.5 | – | 34.3 | 160,000 |
311 | 66.9 | – | 33.1 | 155,000 |
302 | 66.3 | – | 32.1 | 150,000 |
293 | 65.7 | – | 30.9 | 145,000 |
285 | 65.3 | – | 29.9 | 141,000 |
277 | 64.6 | – | 28.8 | 137,000 |
269 | 64.1 | – | 27.6 | 133,000 |
262 | 63.6 | – | 26.6 | 129,000 |
255 | 63.0 | – | 25.4 | 126,000 |
248 | 62.5 | – | 24.2 | 122,000 |
241 | 61.8 | 100.0 | 22.8 | 118,000 |
235 | 61.4 | 99.0 | 21.7 | 115,000 |
229 | 60.8 | 98.2 | 20.5 | 111,000 |
223 | – | 97.3 | 20.0 | – |
217 | – | 96.4 | 18.0 | 105,000 |
212 | – | 95.5 | 17.0 | 102,000 |
207 | – | 94.6 | 16.0 | 100,000 |
201 | – | 93.8 | 15.0 | 98,000 |
197 | – | 92.8 | – | 95,000 |
192 | – | 91.9 | – | 93,000 |
187 | – | 90.7 | – | 90,000 |
183 | – | 90.0 | – | 89,000 |
179 | – | 89.0 | – | 87,000 |
174 | – | 87.8 | – | 85,000 |
170 | – | 86.8 | – | 83,000 |
167 | – | 86.0 | – | 81,000 |
163 | – | 85.0 | – | 79,000 |
156 | – | 82.9 | – | 76,000 |
149 | – | 80.8 | – | 73,000 |
143 | – | 78.7 | – | 71,000 |
137 | – | 76.4 | – | 67,000 |
131 | – | 74.0 | – | 65,000 |
126 | – | 72.0 | – | 63,000 |
121 | – | 69.8 | – | 60,000 |
116 | – | 67.6 | – | 58,000 |
111 | – | 65.7 | – | 56,000 |