BRINELL HARDNESS NUMBERS : DIAMETER OF BALL, 10 MILLIMETERS |
||||||
---|---|---|---|---|---|---|
Diameter of Ball Impression (mm) | ||||||
500 | 1000 | 1500 | 2000 | 2500 | 3000 | |
2.00 2.05 2.10 2.15 2.20 |
158 150 143 136 130 |
316 300 286 272 260 |
473 450 428 408 390 |
632 600 572 544 520 |
788 750 714 681 650 |
945 899 856 817 780 |
2.25 2.30 2.35 2.40 2.45 |
124 119 114 109 104 |
248 238 228 218 208 |
372 356 341 327 313 |
496 476 456 436 416 |
621 593 568 545 522 |
745 712 682 653 627 |
2.50 2.55 2.60 2.65 2.70 |
100 96.3 92.6 89.0 85.7 |
200 193 185 178 171 |
301 289 278 267 257 |
400 385 370 356 343 |
500 482 462 445 429 |
601 578 555 534 514 |
2.75 2.80 2.85 2.90 2.95 |
82.6 79.6 76.8 74.1 71.5 |
165 159 154 148 143 |
248 239 230 222 215 |
330 318 307 296 286 |
413 398 384 371 358 |
495 477 461 444 429 |
3.00 3.05 3.10 3.15 3.20 |
69.1 66.8 64.6 62.5 60.5 |
138 134 129 125 121 |
207 200 194 188 182 |
276 267 258 250 242 |
346 334 324 313 303 |
415 401 388 375 363 |
3.25 3.30 3.35 3.40 3.45 |
58.6 56.8 55.1 53.4 51.8 |
117 114 110 107 104 |
176 170 165 160 156 |
234 227 220 214 207 |
293 284 276 267 259 |
352 341 331 321 311 |
3.50 3.55 3.60 3.65 3.70 |
50.3 48.9 47.5 46.1 44.9 |
101 97.8 95.0 92.2 89.8 |
151 147 12 138 135 |
201 196 190 184 180 |
252 244 238 231 225 |
302 293 285 277 269 |
3.75 3.80 3.85 3.90 3.95 |
43.6 42.4 41.3 40.2 39.1 |
87.2 84.8 82.6 80.4 78.2 |
131 127 124 121 117 |
174 170 165 161 156 |
218 212 207 201 196 |
262 255 248 241 235 |
4.00 4.05 4.10 4.15 4.20 |
38.1 37.1 36.2 35.3 34.4 |
76.2 74.2 72.4 70.6 68.8 |
114 111 109 106 103 |
152 148 145 141 138 |
191 186 181 177 172 |
229 223 217 212 207 |
4.25 4.30 4.35 4.40 4.45 |
33.6 32.8 32.0 31.2 30.5 |
67.2 65.6 64.0 62.4 61.0 |
101 98.3 95.9 93.6 91.4 |
134 131 128 125 122 |
167 164 160 156 153 |
201 197 192 187 183 |
4.50 4.55 4.60 4.65 4.70 |
29.8 29.1 28.4 27.8 27.1 |
59.6 58.2 26.8 55.6 54.2 |
89.3 87.2 85.2 83.3 81.4 |
119 116 114 111 108 |
149 145 142 139 136 |
179 174 170 167 163 |
4.75 4.80 4.85 4.90 4.95 |
26.5 25.9 25.4 24.8 24.3 |
53.0 51.8 50.8 49.6 48.6 |
79.6 77.8 76.1 74.4 72.8 |
106 104 102 99.2 97.2 |
133 130 127 124 122 |
159 156 152 149 146 |
5.00 5.05 5.10 5.15 5.20 |
23.8 23.3 22.8 22.3 21.8 |
47.6 46.6 45.6 44.6 43.6 |
71.3 69.8 68.3 66.9 65.5 |
95.2 93.2 91.2 89.2 87.2 |
119 117 114 112 109 |
143 140 137 134 131 |
5.25 5.30 5.35 5.40 5.45 |
21.4 20.9 20.5 20.1 19.7 |
42.8 41.8 41.0 40.2 39.4 |
64.1 62.8 61.5 60.3 59.1 |
85.6 83.6 82.0 80.4 78.8 |
107 105 103 101 98.5 |
128 126 123 121 118 |
5.50 5.55 5.60 5.65 5.70 |
19.3 18.9 18.6 18.2 17.8 |
38.6 37.8 37.2 36.4 35.6 |
57.9 56.8 55.7 54.6 53.5 |
77.2 75.6 74.4 72.8 71.2 |
96.5 95.0 92.5 90.8 89.2 |
116 114 111 109 107 |
5.75 5.80 5.85 5.90 5.95 |
17.5 17.2 16.8 16. 16.2 |
35.0 34.4 33.6 33.0 32.4 |
52.5 51.5 50.5 49.6 48.7 |
70.0 68.8 67.2 66.0 64.8 |
87.5 85.8 84.2 82.5 81.2 |
105 103 101 99.2 97.3 |
6.00 6.05 6.10 6.15 6.20 |
15.9 15.6 15.3 15.1 14.8 |
31.8 31.2 30.6 60.2 29.6 |
47.7 46.8 46.0 45.2 44.3 |
63.6 62.4 61.2 60.4 59.2 |
79.5 78.0 76.7 75.3 73.8 |
95.5 93.7 92.0 90.3 88.7 |
6.25 6.30 6.35 6.0 6.45 |
14.5 14.2 14.0 13.7 13.5 |
29.0 28.4 28.0 27.4 27.0 |
43.5 42.7 42.0 41.2 40.5 |
58.0 56.8 56.0 54.8 54.0 |
72.6 71.3 70.0 68.8 67.5 |
87.1 85.5 84.0 82.5 81.0 |
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