Tinius Olsen Testing Machine Company, Inc.

Easton Road, P.O. Box 429, Willow Grove, PA 19090-0429
TEL: 215-675-7100 / FAX: 215-441-0899
E-Mail: Info@TiniusOlsen.com
WEB: http://www.TiniusOlsen.com

© 1996, Tinius Olsen Testing Machine Co., Inc.

BRINELL HARDNESS NUMBERS - DIAMETER OF BALL, 10 MILLIMETERS

Impression
Diameter		 Brinell Hardness Number
for a Load of Kg.
mm 500 1000 1500 2000 2500 3000
2.00 158 316 473 632 788 945
2.05 150 300 450 600 750 899
2.10 143 286 428 572 714 856
2.15 136 272 408 544 681 817
2.20 130 260 390 520 650 780
2.25 124 248 372 496 621 745
2.30 119 238 356 476 593 712
2.35 114 228 341 456 568 682
2.40 109 218 327 436 545 653
2.45 104 208 313 416 522 627
2.50 100 200 301 400 500 601
2.55 96.3 193 289 385 482 578
2.60 92.6 185 278 370 462 555
2.65 89.0 178 267 356 445 534
2.70 85.7 171 257 343 429 514
2.75 82.6 165 248 330 413 495
2.80 79.6 159 239 318 398 477
2.85 76.8 154 230 307 384 461
2.90 74.1 148 222 296 371 444
2.95 71.5 143 215 286 358 429
3.00 69.1 138 207 276 346 415
3.05 66.8 134 200 267 334 401
3.10 64.6 129 194 258 324 388
3.15 62.5 125 188 250 313 375
3.20 60.5 121 182 242 303 363
3.25 58.6 117 176 234 293 352
3.30 56.8 114 170 227 284 341
3.35 55.1 110 165 220 276 331
3.40 53.4 107 160 214 267 321
3.45 51.8 104 156 207 259 311
3.50 50.3 101 151 201 252 302
3.55 48.9 97.8 147 196 244 293
3.60 47.5 95.0 142 190 238 285
3.65 46.1 92.2 138 184 231 277
3.70 44.9 89.8 135 180 225 269
3.75 43.6 87.2 131 174 218 262
3.80 42.4 84.8 127 170 212 255
3.85 41.3 82.6 124 165 207 248
3.90 40.2 80.4 121 161 201 241
3.95 39.1 78.2 117 156 196 235
Impression
Diameter		 Brinell Hardness Number
for a Load of Kg.
mm 500 1000 1500 2000 2500 3000
4.25 33.6 67.2 101 134 167 201
4.30 32.8 65.6 98.3 131 164 197
4.35 32.0 64.0 95.9 128 160 192
4.40 31.2 62.4 93.6 125 156 187
4.45 30.5 61.0 91.4 122 153 183
4.50 29.8 59.6 89.3 119 149 179
4.55 29.1 58.2 87.2 116 145 174
4.60 28.4 56.8 85.2 114 142 170
4.65 27.8 55.6 83.3 111 139 167
4.70 27.1 54.2 81.4 108 136 163
4.75 26.5 53.0 79.6 106 133 159
4.80 25.9 51.8 77.8 104 130 156
4.85 25.4 50.8 76.1 102 127 152
4.90 24.8 49.6 74.4 99.2 124 149
4.95 24.3 48.6 72.8 97.2 122 146
5.00 23.8 47.6 71.3 95.2 119 143
5.05 23.3 46.6 69.8 93.2 117 140
5.10 22.8 45.6 68.3 91.2 114 137
5.15 22.3 44.6 66.9 89.2 112 134
5.20 21.8 43.6 65.5 87.2 109 131
5.25 21.4 42.8 64.1 85.6 107 128
5.30 20.9 41.8 62.8 83.6 105 126
5.35 20.5 41.0 61.5 82.0 103 123
5.40 20.1 40.2 60.3 80.4 101 121
5.45 19.7 39.4 59.1 78.8 98.5 118
5.50 19.3 38.6 57.9 77.2 96.5 116
5.55 18.9 37.8 56.8 75.6 95.0 114
5.60 18.6 37.2 55.7 74.4 92.5 111
5.65 18.2 36.4 54.6 72.8 90.8 109
5.70 17.8 35.6 53.5 71.2 89.2 107
5.75 17.5 35.0 52.5 70.0 87.5 105
5.80 17.2 34.4 51.5 68.8 85.5 103
5.85 16.8 33.6 50.5 67.2 84.2 101
5.90 16.5 33.0 49.6 66.0 82.5 99.2
5.95 16.2 32.4 48.7 64.8 81.2 97.3
6.00 15.9 31.8 47.7 63.6 79.5 95.5
6.05 15.6 31.2 46.8 62.4 78.0 93.7
6.10 15.3 30.6 46.0 61.2 76.7 92.0
6.15 15.1 30.2 45.2 60.4 75.3 90.3
6.20 14.8 29.6 44.3 59.2 73.8 88.7