洛氏C硬度范圍 |
Approximate Hardness Conversion Numbers for Non-Austenitic Steels, According to ASTM E-140
The Conversion Values contained herein should be considered approximate only and may be inaccurate for specific applications |
| C | A | D | 15N | 30N | 45N | 維氏 | 努氏 | 布氏 | 拉力 | | 150 kgt | 60 kgt | 100kgt | 15kgt | 30 kgt | 45 kgt | 硬度 | 硬度 | 硬度 | 強(qiáng)度 | | 金剛石 | 金剛石 | 金剛石 | 金剛石 | 金剛石 | 金剛石 |
| 500gr | 3000kgt | 1000 lbs/ |
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| and over | 10mm ball | square in | | 68 | 85.6 | 76.9 | 93.2 | 84.4 | 75.4 | 940 | 920 | .. | .. | | 67 | 85.0 | 76.1 | 92.9 | 83.6 | 74.2 | 900 | 895 | .. | .. | | 66 | 84.5 | 75.4 | 92.5 | 82.8 | 73.3 | 865 | 870 | .. | .. | | 65 | 83.9 | 74.5 | 92.2 | 81.9 | 72.0 | 832 | 846 | (739) |
| | 64 | 83.4 | 73.8 | 91.8 | 81.1 | 71.0 | 800 | 822 | (722) |
| | 63 | 82.8 | 73.0 | 91.4 | 80.1 | 69.9 | 772 | 799 | (705) |
| | 62 | 82.3 | 72.2 | 91.1 | 79.3 | 68.8 | 745 | 776 | (688) |
| | 61 | 81.8 | 71.5 | 90.7 | 78.4 | 67.7 | 720 | 754 | (670) |
| | 60 | 81.2 | 70.7 | 90.2 | 77.5 | 66.6 | 697 | 732 | (654) |
| | 59 | 80.7 | 69.9 | 89.8 | 76.6 | 65.5 | 674 | 710 | (634) | 351 | | 58 | 80.1 | 69.2 | 89.3 | 75.7 | 64.3 | 653 | 690 | 615 | 338 | | 57 | 79.6 | 68.5 | 88.9 | 74.8 | 63.2 | 633 | 670 | 595 | 325 | | 56 | 79.0 | 67.7 | 88.3 | 73.9 | 62.0 | 613 | 650 | 577 | 313 | | 55 | 78.5 | 66.9 | 87.9 | 73.0 | 60.9 | 595 | 630 | 560 | 301 | | 54 | 78.0 | 66.1 | 87.4 | 72.0 | 59.8 | 577 | 612 | 543 | 292 | | 53 | 77.4 | 65.4 | 86.9 | 71.2 | 58.6 | 560 | 594 | 525 | 283 | | 52 | 76.8 | 64.6 | 84.4 | 70.2 | 57.4 | 544 | 576 | 512 | 273 | | 51 | 76.3 | 63.8 | 85.9 | 69.4 | 56.1 | 528 | 558 | 496 | 264 | | 50 | 75.9 | 63.1 | 85.5 | 68.5 | 55.0 | 513 | 542 | 481 | 255 | | 49 | 75.2 | 62.1 | 85.0 | 67.6 | 53.8 | 498 | 526 | 469 | 246 | | 48 | 74.7 | 61.4 | 84.6 | 66.7 | 52.5 | 484 | 510 | 455 | 237 | | 47 | 74.1 | 60.8 | 83.9 | 65.8 | 51.4 | 471 | 495 | 443 | 229 | | 46 | 73.6 | 60 | 83.5 | 64.8 | 50.3 | 458 | 480 | 432 | 221 | | 45 | 73.1 | 59.2 | 83.0 | 64.0 | 49.0 | 446 | 466 | 421 | 215 | | 44 | 72.5 | 58.5 | 82.5 | 63.1 | 47.8 | 434 | 452 | 409 | 208 | | 43 | 72.0 | 57.7 | 82.0 | 62.2 | 46.7 | 423 | 438 | 400 | 201 | | 42 | 71.5 | 56.9 | 81.5 | 61.3 | 45.5 | 412 | 426 | 390 | 195 | | 41 | 70.9 | 56.2 | 80.9 | 60.4 | 44.3 | 402 | 414 | 381 | 188 | | 40 | 70.4 | 55.4 | 80.4 | 59.5 | 43.1 | 392 | 402 | 371 | 182 | | 39 | 69.9 | 54.6 | 79.9 | 58.6 | 41.9 | 382 | 391 | 362 | 177 | | 38 | 69.4 | 53.8 | 79.4 | 57.7 | 40.8 | 372 | 380 | 353 | 171 | | 37 | 58.9 | 53.1 | 78.8 | 56.8 | 39.6 | 363 | 370 | 344 | 166 | | 36 | 68.4 | 52.3 | 78.3 | 55.9 | 38.4 | 354 | 360 | 336 | 161 | | 35 | 67.9 | 51.5 | 77.7 | 55.0 | 37.2 | 345 | 351 | 327 | 156 | | 34 | 67.4 | 50.8 | 77.2 | 54.2 | 36.1 | 336 | 342 | 319 | 152 | | 33 | 66.8 | 50.0 | 76.6 | 53.3 | 34.9 | 327 | 334 | 311 | 149 | | 32 | 66.3 | 49.2 | 76.1 | 52.1 | 33.7 | 318 | 326 | 301 | 146 | | 31 | 65.8 | 48.4 | 75.6 | 51.3 | 32.5 | 310 | 318 | 294 | 141 | | 30 | 65.3 | 47.7 | 75.0 | 50.4 | 31.3 | 302 | 311 | 286 | 138 | | 29 | 64.8 | 47.0 | 74.5 | 49.5 | 30.1 | 294 | 304 | 279 | 135 | | 28 | 64.3 | 46.1 | 73.9 | 48.6 | 28.9 | 286 | 297 | 271 | 131 | | 27 | 63.8 | 45.2 | 73.3 | 47.7 | 27.8 | 279 | 290 | 264 | 128 | | 26 | 63.3 | 44.6 | 72.8 | 46.8 | 26.7 | 272 | 284 | 258 | 125 | | 25 | 62.8 | 43.8 | 72.2 | 45.9 | 25.5 | 266 | 278 | 253 | 123 | | 24 | 62.4 | 43.1 | 71.6 | 45.0 | 24.3 | 260 | 272 | 247 | 119 | | 23 | 62.0 | 42.1 | 71.0 | 44.0 | 23.1 | 254 | 266 | 243 | 117 | | 22 | 61.5 | 41.6 | 70.5 | 43.2 | 22.0 | 248 | 261 | 237 | 115 | | 21 | 61.0 | 40.9 | 69.9 | 42.3 | 20.7 | 243 | 256 | 231 | 112 | | 20 | 60.5 | 40.1 | 69.4 | 41.5 | 19.6 | 238 | 251 | 226 | 110 |
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| 洛氏B硬度范圍 |
Approximate Hardness Conversion Numbers for Non-Austenitic Steels, according to ASTM E-140
The conversion values contained herein should be considered approximate only and may be inaccurate for Specific applications. |
| 洛氏 |
| 表面洛氏 |
| 維氏 | 努氏 | 布氏 | 拉力 | 布氏 | | B | A | E | 15T | 30T | 45T | 硬度 | 硬度 | 硬度 | 強(qiáng)度 | 硬度 | | 100kgf | 60 kgf | 100 kgf | 15 kgf | 30 kgf | 45 kg f |
| 500gf | 3000 kgf | 1000 lbs/ | 500 kgf | | 1/16"ball | 金剛石 | 1/8" ball | 1/16" ball | 1/16"ball | 1/16" ball |
| and over | 10mm ball | square in | 10mm ball | | 100 | 61.5 |
| 93.1 | 83.1 | 72.9 | 240 | 261 | 240 | 116 | 201 | | 99 | 60.9 |
| 82.8 | 82.5 | 71.9 | 234 | 246 | 234 | 114 | 195 | | 98 | 602 |
| 92.5 | 81.8 | 709 | 228 | 241 | 228 | 109 | 189 | | 97 | 59.5 |
| 92.1 | 81.1 | 699 | 222 | 236 | 222 | 105 | 184 | | 96 | 58.9 |
| 91.8 | 80.4 | 689 | 216 | 231 | 216 | 102 | 179 | | 95 | 58.3 |
| 91.5 | 79.8 | 67.9 | 210 | 226 | 210 | 100 | 175 | | 94 | 57.6 |
| 91.2 | 79.1 | 669 | 205 | 221 | 205 | 98 | 171 | | 93 | 57 |
| 90.8 | 784 | 659 | 200 | 216 | 200 | 94 | 167 | | 92 | 56.4 |
| 90.5 | 77.8 | 64.8 | 195 | 211 | 195 | 92 | 163 | | 91 | 55.8 |
| 90.2 | 77.1 | 63.8 | 190 | 206 | 190 | 90 | 160 | | 90 | 55.2 |
| 89.9 | 76.4 | 62.8 | 186 | 201 | 186 | 89 | 157 | | 89 | 54.6 |
| 89.5 | 76.8 | 61.8 | 180 | 196 | 180 | 88 | 164 | | 88 | 64.0 |
| 89.2 | 75.1 | 60.8 | 176 | 192 | 176 | 86 | 151 | | 87 | 53.4 |
| 88.9 | 74.4 | 59.8 | 172 | 188 | 172 | 84 | 148 | | 86 | 52.8 |
| 88.6 | 73.8 | 58.8 | 169 | 184 | 169 | 83 | 145 | | 85 | 52.3 |
| 88.2 | 73.1 | 57.8 | 165 | 180 | 165 | 82 | 142 | | 84 | 51.7 |
| 87.9 | 72.4 | 56.8 | 162 | 176 | 162 | 81 | 140 | | 83 | 51.1 |
| 87.6 | 71.8 | 55.8 | 159 | 173 | 159 | 80 | 137 | | 82 | 50.6 |
| 87.3 | 71.1 | 54.8 | 156 | 170 | 156 | 76 | 135 | | 81 | 50 |
| 86.9 | 70.4 | 53.8 | 153 | 167 | 153 | 73 | 133 | | 80 | 49.5 |
| 86.6 | 69.7 | 52.8 | 150 | 164 | 150 | 72 | 130 | | 79 | 48.9 |
| 86.3 | 69.1 | 51.8 | 147 | 161 | 147 | 70 | 128 | | 78 | 48.4 |
| 86.0 | 68.4 | 50.8 | 144 | 158 | 144 | 69 | 126 | | 77 | 47.9 |
| 85.6 | 67.7 | 49.8 | 141 | 155 | 141 | 68 | 124 | | 76 | 47.3 |
| 85.3 | 67.1 | 48.8 | 139 | 152 | 139 | 67 | 122 | | 75 | 46.8 |
| 86.0 | 66.4 | 47.8 | 137 | 150 | 137 | 66 | 120 | | 74 | 46.3 |
| 84.7 | 65.7 | 46.8 | 135 | 147 | 135 | 66 | 118 | | 73 | 45.8 |
| 84.3 | 65.1 | 45.8 | 132 | 145 | 132 | 64 | 116 | | 72 | 45.3 |
| 84.0 | 64.4 | 44.8 | 130 | 143 | 130 | 63 | 114 | | 71 | 44.8 | 100 | 83.7 | 63.7 | 43.8 | 127 | 141 | 127 | 62 | 112 | | 70 | 44.3 | 99.5 | 83.4 | 63.1 | 42.8 | 125 | 139 | 125 | 61 | 110 | | 69 | 43.8 | 99.0 | 83.0 | 62.4 | 41.8 | 123 | 137 | 123 | 60 | 109 | | 68 | 43.3 | 98.0 | 82.7 | 61.7 | 40.8 | 121 | 135 | 121 | 59 | 108 | | 67 | 42.8 | 97.5 | 82.4 | 61 | 39.8 | 119 | 133 | 119 | 58 | 106 | | 66 | 42.3 | 97.0 | 82.1 | 60.4 | 38.7 | 117 | 131 | 117 | 57 | 104 | | 65 | 41.8 | 96.0 | 81.8 | 59.7 | 37.7 | 116 | 129 | 116 | 56 | 102 | | 64 | 41.4 | 95.5 | 81.4 | 59 | 36.7 | 114 | 127 | 114 |
| 100 | | 63 | 40.9 | 95.0 | 81.1 | 58.4 | 35.7 | 112 | 125 | 112 |
| 99 | | 62 | 40.4 | 94.5 | 80.8 | 57.7 | 34.7 | 110 | 124 | 110 |
| 98 | | 61 | 40.0 | 93.5 | 80.5 | 57.0 | 33.7 | 108 | 122 | 108 |
| 96 | | 60 | 39.5 | 93.0 | 80.1 | 56.4 | 32.7 | 107 | 120 | 107 |
| 95 | | 59 | 39.0 | 92.5 | 79.8 | 55.7 | 31.7 | 106 | 118 | 106 |
| 94 | | 58 | 38.6 | 92.0 | 79.5 | 55 | 30.7 | 104 | 117 | 104 |
| 92 | | 57 | 38.1 | 91.0 | 79.2 | 54.4 | 2.97 | 103 | 115 | 103 |
| 91 | | 56 | 37.7 | 90.6 | 78.8 | 53.7 | 28.7 | 101 | 114 | 101 |
| 90 | | 55 | 37.2 | 90.0 | 78.6 | 53.0 | 27.7 | 100 | 112 | 100 |
| 89 | | 54 | 36.8 | 89.5 | 78.2 | 52.4 | 26.7 |
| 111 |
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| 87 | | 53 | 36.3 | 89.0 | 77.9 | 51.7 | 26.7 |
| 110 |
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| 86 | | 52 | 35.9 | 88.0 | 77.5 | 51.0 | 24.7 |
| 109 |
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| 85 | | 51 | 35.5 | 87.6 | 77.2 | 50.3 | 23.7 |
| 108 |
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| 84 | | 50 | 35.0 | 87.0 | 76.9 | 49.7 | 22.7 |
| 107 |
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| 83 | | 49 | 34.6 | 86.5 | 76.6 | 49.0 | 21.7 |
| 106 |
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| 82 | | 48 | 34.1 | 85.5 | 76.2 | 48.3 | 20.7 |
| 105 |
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| 81 | | 47 | 33.7 | 85 | 75.9 | 47.7 | 19.7 |
| 104 |
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| 80 | | 46 | 33.3 | 84.6 | 76.6 | 47.0 | 18.7 |
| 103 |
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| 80 | | 45 | 32.9 | 84 | 76.3 | 46.3 | 17.7 |
| 102 |
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| 79 | | 44 | 32.4 | 83.5 | 74.9 | 45.7 | 16.7 |
| 101 |
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| 78 | | 43 | 32.0 | 82.5 | 74.6 | 45.0 | 15.7 |
| 100 |
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| 77 | | 42 | 31.6 | 82 | 74.3 | 44.3 | 14.7 |
| 99 |
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| 76 | | 41 | 31.2 | 81.5 | 74.0 | 43.7 | 13.6 |
| 98 |
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| 75 | | 40 | 30.7 | 81 | 73.6 | 43.0 | 12.6 |
| 97 |
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| 75 | | 39 | 30.3 | 80 | 73.3 | 42.3 | 11.6 |
| 96 |
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| 74 | | 38 | 29.9 | 79.5 | 73.0 | 41.6 | 10.6 |
| 95 |
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| 73 | | 37 | 29.5 | 79 | 72.7 | 41.0 | 9.6 |
| 94 |
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| 72 | | 36 | 29.1 | 78.5 | 72.3 | 40.3 | 8.6 |
| 93 |
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| 72 | | 35 | 28.7 | 78.0 | 72.0 | 39.6 | 7.6 |
| 92 |
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| 71 | | 34 | 28.2 | 77.0 | 71.7 | 39.0 | 6.6 |
| 91 |
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| 70 | | 33 | 27.8 | 76.6 | 71.4 | 38.3 | 5.6 |
| 90 |
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| 69 | | 32 | 27.4 | 76.0 | 71.0 | 37.6 | 4.6 |
| 89 |
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| 69 | | 31 | 27.0 | 75.5 | 70.7 | 37.0 | 3.6 |
| 88 |
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| 68 | | 30 | 26.6 | 75.0 | 70.4 | 36.3 | 2.6 |
| 87 |
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| 67 |
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