硬度換算

1.硬度換算表(Hardness conversion table)


Vickers Brinell Rockwell Rockwell superficial Shore Tensile
strength
HV HB HBW HRA HRB HRC 15-N 3-N 45-N HS σt
940 85.6 68 93.2 84.4 75.4 97
900 85 67 92.9 83.6 74.2 95
865 84.5 66 92.5 82.8 73.3 92
832 739 83.9 65 92.2 81.9 72 91
800 722 83.4 64 91.8 81.1 71 88
772 705 82.8 63 91.4 80.1 69.9 87
746 688 82.3 62 91.1 79.3 68.8 85
720 670 81.8 61 90.7 78.4 67.7 83
697 654 81.2 60 90.2 77.5 66.6 81
674 634 80.7 59 89.8 76.6 65.5 80
653 615 80.1 58 89.3 75.7 64.3 78
633 595 79.6 57 88.9 74.8 63.2 76
613 577 79 56 88.3 73.9 62 75
595 560 78.5 55 87.9 73 60.9 74 2075
577 543 78 54 87.4 72 59.8 72 2015
560 525 77.4 53 86.9 71.2 58.5 71 1950
544 500 512 76.8 52 86.4 70.2 57.4 69 1880
528 487 496 76.3 51 85.9 69.4 56.1 68 1820
513 475 481 75.9 50 85.5 68.5 55 67 1760
498 464 469 75.2 49 85 67.6 53.8 66 1695
484 451 455 74.7 48 84.5 66.7 52.5 64 1635
471 442 443 74.1 47 83.9 65.8 51.4 63 1580
458 432 432 73.6 46 83.5 64.8 50.3 62 1530
446 421 421 73.1 45 83 64 49 60 1480
434 409 409 72.5 44 82.5 63.1 47.8 58 1435
423 400 400 72 43 82 62.2 46.7 57 1385
412 390 390 71.5 42 81.5 61.3 45.5 56 1340
402 381 381 70.9 41 80.9 60.4 44.3 55 1295
392 371 371 70.4 40 80.4 59.5 43.1 54 1250
382 362 362 69.9 39 79.9 58.6 41.9 52 1215
372 353 353 69.4 38 79.4 57.7 40.8 51 1180
363 344 344 68.9 37 78.8 56.8 39.6 50 1160
354 336 336 68.4 109 36 78.3 55.9 38.4 49 1115
345 327 327 67.9 108.5 35 77.7 55 37.2 48 1080
336 319 319 67.4 108 34 77.2 54.2 36.1 47 1055
327 311 311 66.8 107.5 33 76.6 53.3 34.9 46 1025
318 301 301 66.3 107 32 76.1 52.1 33.7 44 1000
310 294 294 65.8 106 31 75.6 51.3 32.7 43 980
302 286 286 65.3 105.5 30 75 50.4 31.3 42 950
294 279 279 64.7 104.5 29 74.5 49.5 30.1 41 930
286 271 271 64.3 104 28 73.9 48.6 28.9 41 910
279 264 264 63.8 103 27 73.3 47.7 27.8 40 880
272 258 258 63.3 102.5 26 72.8 46.8 26.7 38 860
266 253 253 62.8 101.5 25 72.2 45.9 25.5 38 840
260 247 247 62.4 101 24 71.6 45 24.3 37 825
254 243 243 62 100 23 71 44 23.1 36 805
248 237 237 61.5 99 22 70.5 43.2 22 35 785
243 231 231 61 98.5 21 69.9 42.3 20.7 35 770
238 226 226 60.5 97.8 20 69.4 41.5 19.6 34 760
230 219 219 96.7 18 33 730
222 212 212 95.5 16 32 705
213 203 203 93.9 14 31 675
204 194 194 92.3 12 29 650
196 187 187 90.7 10 28 620
188 179 179 89.5 8 27 600
180 171 171 87.1 6 26 580
173 165 165 85.5 4 25 550
166 158 158 83.5 2 24 530
160 152 152 81.7 0 24 515


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参考文献

硬度は強さや弾性率等とは違って物理値ではなく、目安として用いられる値です。

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