Перевод значений твердости, определяемой различными методами

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Твердость Временное
сопротивление
стали в кГ/мм2
по Бринеллю
0=10 мм,
Р=3000 кГ
по Роквеллу
с алмазным
наконечником
по Супер-Роквеллу
с алмазным
наконечником
по Роквеллу
с шари-
­ковым наконеч-
ником
по Вик-
керсу HV
углеро-
дистой
хроман-
силь
хромо-
никелевой
хромо-
молибде-
новой
хроми-
стой
диаметр
отпечатка
в мм
число твер-
дости НВ
Шкалы (HR)

А
Р=60

кГ

C
Р=150

кГ

15N
P=15

кГ

30N
Р=30
кГ

45N
Р=45

кГ

В
Р=100
кГ
2,25 745 83 70
2,30 712 82 68
2,35 682 81 66 93,0 82,5 73
2,36 688 84,5 65,0 92,5 82,0 72,0 248 234 227
2,37 670 83,5 64,0 92,0 81,0 71,0 241 228 221
2,39 659 83,0 63,0 91,5 80,0 70,0 237 224 218
2,42 643 82,5 62,0 91,0 79,0 69,0 231 217 212
2,44 632 82,5 62,0 91,0 79,0 68,0 832 227 214 209 220
2,46 621 82,0 61,0 90,5 78,0 67,0 800 224 211 205 217
2,48 611 81,5 60,0 90,0 77,5 66,5 773 220 207 202 213
2,50 601 81,0 59,0 89,5 77,0 65,5 756 216 204 198 210
2,52 502 80,5 59,0 89,0 77,0 65,0 728 212 200 195 206
2.54 582 80,0 58,0 89,0 76,0 64,0 704 208 197 192 203
2.56 573 80,0 57,0 88,5 75,0 63,5 693 206 206 195 189 201
2.58 564 79,5 56,5 88,0 74,0 62,0 672 203 203 192 186 198
2,60 555 79,0 56,0 88,0 74,0 61,5 653 200 200 189 183 195
2,62 547 79,0 55,0 87,5 73,5 61,0 635 196 197 185 180 191
2,64 538 78,5 55,0 87,5 73 60,5 626 194 194 184 178 189
2,66 530 78,0 54,0 87,0 72,5 60,0 610 191 191 180 175 185
2,68 522 78,0 53,0 86,5 71,5 59,0 594 187 188 177 173 182
2,70 514 77,5 52,5 86,5 70,0 58,0 586 185 185 175 170 180
2,72 507 77,0 52,0 86,0 70,0 57,0 570 182 182 172 167 177
2,74 499 76,0 51,0 86,0 70,0 56,5 563 180 180 170 165 175
2,76 492 76,0 50,0 85,5 69,5 56,0 549 177 177 167 162 172
2.78 485 76,0 50.0 85,0 69,0 55,0 542 175 175 165 160 170
2,80 478 76,0 49,5 85,0 68,0 54,0 531 172 173 162 157 167
2,82 470 76,0 49,0 84,5 68,0 54,0 521 169 169 160 155 165
2,84 464 75,0 48,0 84,0 67,5 53,5 514 167 167 158 153 163
2,86 457 75,0 48,0 84,0 67,0 53,0 508 164 164 156 151 161
2,88 451 74,5 47,5 83,5 66,5 52,5 495 162 162 153 149 158
2,90 444 74,0 47,0 83,5 66,0 52,0 484 160 160 151 146 156
2,92 438 73,5 46,0 83,0 65,5 51,0 477 158 158 149 144 153
2,94 432 73,0 45,5 83,0 64,5 50,0 468 155 155 147 142 151
2,96 426 73,0 45,0 82,5 64,0 49,0 457 153 153 145 140 149
2,98 420 73,0 44,0 82,5 64,0 49,0 449 151 151 143 138 147
3,00 415 73,0 44,0 82,0 63,5 48,5 442 149 149 141 137 145
3,02 409 72,0 43,0 81,5 63,0 47,5 434 147 147 139 135 143
3,04 404 72,0 43,0 81,5 62,5 47,5 427 145 145 137 133 141
3,06 398 72,0 42,0 81,5 62,5 47,5 419 143 143 135 131 139
3,08 393 72,0 42,0 81,0 62,0 46,5 413 141 141 134 130 137
3,10 388 71,0 41,0 80,5 61,0 45,0 406 139,5 140 132 128 136
3,12 383 71,0 41,0 80,5 61,0 45,0 401 138 138 130 126 134
3,14 378 71,0 40,0 80,0 60,0 44,0 395 136 135 128 125 132
3,16 373 70,5 40,0 80,0 60,0 44,0 389 134 134 127 123 130
3,18 368 70,0 39,5 79,5 59,0 43,0 383 132 132 125 121 128,5
3,20 363 70,0 39,0 79,5 59,0 43,0 377 131 131 123,5 120 127
3,22 359 70,0 39,0 79,5 59,0 43,0 372 129 123 122 118 125,5
3,24 354 69,0 38,0 79,0 58,0 42,0 366 127,5 124 120,5 117 124
3,26 350 69,0 38,0 79,0 58,0 42,0 361 126 122 119 115 122,5
3,28 345 69,0 37,5 78,5 57,5 40,5 356 124 121 117 114 121
3,30 341 69,0 37,0 78,5 57,5 40,5 351 122,5 119 166 112 119
3,32 337 68,5 36,5 78,0 57,0 39,5 347 121 118 114,5 111 118
3,34 333 68,0 36,0 78,0 57,0 39,5 342 120 113,5 117
3,36 329 68,0 36,0 78,0 78,0 39,5 337 118 115 112 108 115,3
3,38 325 68,0 35,0 77,5 56,0 38,0 332 117 114 ПО 107 114
3,40 321 68,0 35,0 77,5 56,0 38,5 328 115,5 112 109 106 112
3,42 317 67,5 34,5 77,0 55,0 37,5 323 114 111 108 104 111
3,44 313 67,0 34,0 77,0 55,0 37,5 319 ИЗ ПО 107 103 109,5
3,46 309 67,0 33,5 76,5 54,0 36,5 315 111 108 105 102 108
3,48 306 67,0 33,0 76,5 54,0 36,0 311 ПО 107 104 101 107
3,50 302 67,0 33,0 76,5 54,0 36,0 307 108,5 106 103 100 105,5
3,52 298 67,0 32,0 76,5 54,0 36,0 302 107 104 101,5 98 104
3,54 295 66,0 31,5 76,0 53,0 35,0 299 106 103 100,5 97 103
3,56 292 66,0 31,0 76,0 52,5 34,5 296 105 102 99,5 96 102
3,58 288 66,0 31,0 75,5 52,0 34,0 292 103,5 101 98 95 101
3,60 285 66,0 30,0 75,0 51,5 33,5 288 102,5 100 97 94 100
3,62 282 66,0 30,0 75,0 51,0 32,5 285 101,5 99 96 93 98,5
3,64 278 66,0 29,0 74,5 51,0 32,0 281 100 98 94,5 92 97,5
3,66 275 65,0 29,0 74,5 50,5 31,5 278 99 96 93,5 91 96,5
3,68 272 65,0 28,0 74,0 50,0 30,5 274 98 95 92,5 90 95,5
3,70 269 65,0 28,0 74,0 50,0 30,5 271 97,5 94 91,5 89 94
3,72 266 65,0 28,0 73,5 49,0 29,5 268 95,5 91 90,5 88 93
3,74 263 64,0 27,0 73,0 49,0 29,0 265 94,5 89 89,5 87 92
3,76 260 64,0 27,0 73,0 48,0 28,5 262 93,5 88 88,5 86 91
3,78 257 64,0 26,0 73,0 48,0 28,0 259 92,5 87 87,5 85 90
3,80 255 64,0 26,0 72,5 48,0 27,0 259 92 87 86,5 84 89
3,82 252 63,5 25,5 72,0 47 26,5 253 90,5 86 85,5 83 88
3,84 249 63,0 25,0 72,0 46,0 26,5 250 89,5 85 84,5 82 87
3,86 246 63,0 25,0 72,0 46,0 26,0 247 88,5 84 83,5 81 86
3,88 244 63,0 24,5 71,5 45,5 25,0 244 88 83 83 80 85,5
3,90 241 63,0 24 71,0 45,0 24,0 100,0 242 87 82 82 80 84,5
3,92 239 62,0 23,5 71,0 44,5 24,0 100,0 239 86 81 81,5 78 83,5
3,94 236 62,0 23,0 70,5 44 23,5 99,0 236 85 80 80,5 78 82,5
3,96 234 62,0 23,0 70,5 43,5 23,0 99,0 234 84 80 80 77 82
3,98 231 62,0 22,5 70,0 43,0 22,5 99,0 231 83 79 78,5 76 80,5
4,00 229 62,0 22,0 70,0 43,0 22,0 98,0 229 82,5 78 77,5 76 80
4,02 226 61,5 21,5 98,0 226 85,1 77 76,5 75 79
4,04 224 61,5 21,5 98,0 224 80,5 76 76 74 78
4,06 222 61,0 21,0 97,0 222 80 75 75,5 73 77,5
4,08 219 61,0 20,0 97,0 219 79 74 74,5 72 76,5
4,10 217 61,0 20,0 97,0 217 78 73 73 71 76
4,12 215 61,5 19,5 96,0 215 77,5 73 73 71 75
4,14 213 61,0 19,0 96,0 213 76,5 71 72,5 70 74,5
4,16 211 60,0 19,0 95,0 210 76 69 72 70 74
4,18 209 60,0 18,5 95,0 208 75,5 69 71 69 73
4,20 207 60,0 18,0 95,0 206 74,5 68 70,5 68 72,5
4,22 204 60,0 94,0 203 73,5 67 69,5 67 71,5
4,24 202 59,0 93,0 201 73 67 68,5 67 71
4,26 200 59,0 93,0 199 72 66 68 66 70
4,28 198 58,5 93,0 197 71,5 65 67,5 65 69,5
4,30 197 58,0 93,0 196 71,0 65 67 65 69
4,32 195 58,0 92,0 194 70,5 64 66,5 64 68,5
4,34 193 58,0 92,0 192 69,5 64 66,5 64 67,5
4,36 191 58,0 91,0 190 69 63 65 63 67
4,38 189 57,0 91,0 188 68 62 64,5 62 66
4,40 187 57,0 91,0 186 67,5 62 63,5 62 65
4,42 185 56,5 90,0 184 67 61 63 61 64
4,44 184 56,0 90,0 183 66 60 62,5 60 64
4,46 182 56,0 89,0 181 66 60 62 60 63
4,48 180 56,0 89,0 179 65 59 61,5 59 63
4,50 179 50,0 _ 88,0 179 64 59 61 59 62
4,52 177 56,0 88,0 176 63,5 58 60 58 62
4,54 174 55,0 87,0 173 62,5 57 59 57 61
4,56 173 55,0 87,0 172 62,0 57 59 57 61
4,58 172 55,0 87,0 171 62 57 59 57 60
4,60 170 55,0 86,0 169 61 56 58 56 59,5

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