경도 환산표
VICKERS HARDNESS (HV) KNOOP HARDNESS (HK) BRINELL HARDNESS (HB) ROCKWELL HARDNESS (HR) ROCKWELL SUPERFICIAL HARDNESS (HR) SHORE HARDNESS (HS) TENSILE STRENGTH (APPROXIMATELY)
SCALE       A B C D 15N 30N 45N    
LOAD 500gf 3000kgf 3000kgf 60kgf 100kgf 150kgf 100kgf 15kgf 30kgf 45kgf    
BALL    10mm STEEL 10mm CARBIDE DIAMOND INDENTER 1/16" STEEL DIAMOND INDENTER DIAMOND INDENTER DIAMOND INDENTER DIAMOND INDENTER DIAMOND INDENTER      
1865       92.1   80 86.5 96.5 92.0 87.0    
1787       91.6   79 85.7 96.3 91.5 86.2    
1710       91.1   78 84.9 96.1 90.9 85.4    
1633       90.6   77 84.2 95.8 90.3 84.5    
1556       90.1   76 83.4 95.5 89.7 83.6    
1478       89.6   75 82.6 95.2 89.1 82.5    
1400       89.0   74 81.8 94.9 88.5 81.6    
1323       88.5   73 81.0 94.6 87.9 80.7    
1245       88.0   72 80.1 94.3 87.2 79.7    
1160       87.1   71 79.4 94.0 86.5 78.7    
1076 972     86.8   70 78.6 93.7 85.8 77.6    
1004 946     86.2   69 77.8 93.4 85.1 76.4    
940 920     85.6   68 76.9 93.2 84.3 75.4    
900 895     85.0   67 76.1 92.9 83.6 74.2 95.2  
865 870     84.5   66 75.4 92.5 82.8 73.3 93.1  
832 846   739 83.9   65 74.5 92.2 81.9 72.0 91.0  
800 822   722 83.4   64 73.8 91.8 81.1 71.0 88.9  
772 799   705 82.8   63 73.0 91.4 80.1 69.9 87.0  
746 776   688 82.3   62 72.2 91.1 79.3 66.6 85.2  
720 754   670 81.8   61 71.5 90.7 78.4 67.7 83.3  
697 732   654 81.2   60 70.7 90.2 77.5 66.6 81.6  
674 710   634 80.7   59 69.9 89.8 76.6 65.5 79.9  
653 690   615 80.1   58 69.2 89.3 75.7 64.3 78.2  
633 670   595 79.6   57 68.5 88.9 74.8 63.2 75.6  
613 650   577 79.0   56 67.7 88.3 73.9 62.0 75.0  
595 630   560 78.5   55 66.9 87.9 73.0 60.9 73.5 212
577 612   543 78.0   54 66.1 87.4 72.0 59.8 71.9 205
560 594   525 77.4   53 65.4 86.9 71.2 58.6 70.4 199
544 576 500 512 76.8   52 64.6 86.4 70.2 57.4 69.0 192
528 558 487 496 76.3   51 63.8 85.9 69.4 56.1 67.6 186
513 542 475 481 75.9   50 63.1 85.5 68.5 55.0 66.2 179
498 526 464 469 75.2   49 62.1 85.0 67.6 53.8 64.7 172
484 510 451 455.0 74.7   48 61.4 84.5 66.7 52.5 63.4 167
471 495 442 443 74.1   47 60.8 83.9 65.8 51.4 62.1 161
458 480 432 432 73.6   46 60.0 83.5 64.8 50.3 60.8 156
446 466 421 421 73.1   45 59.2 83.0 64.0 49.0 59.6 151
434 452 409 409 72.5   44 58.5 82.5 63.1 47.8 58.4 146
423 438 400 400 70.0   43 57.7 82.0 62.2 46.7 57.2 141
412 426 390 390 71.5   42 56.9 81.5 61.3 45.5 56.1 136
402 414 381 381 70.9   41 56.2 80.9 60.4 44.3 55.0 132
392 402 371 371 70.4   40 55.4 80.4 59.5 43.1 53.9 127
382 391 362 362 69.9   39 54.6 79.9 58.6 41.9 52.9 124
372 380 353 353 69.4   38 53.8 79.4 57.7 40.8 51.8 120
363 370 344 344 68.9   37 53.1 78.8 56.8 39.6 50.7 118
354 360 336 336 68.4 109.0 36 52.3 78.3 55.9 38.4 49.7 114
345 351 327 327 67.9 108.5 35 51.5 77.7 55.0 37.2 48.7 110
336 342 319 319 67.4 108.0 34 50.8 77.2 54.2 36.1 47.7 108
327 334 311 311 66.8 107.5 33 50.0 76.6 53.3 34.9 46.6 105
318 326 301 301 66.3 107.0 32 49.2 76.1 52.1 33.7 45.6 102
310 318 294 294 65.8 106.0 31 48.4 75.6 51.3 32.5 44.6 100
302 311 286 286 65.3 105.5 30 47.7 75.0 50.4 31.3 43.6 97
294 304 279 279 64.7 104.5 29 47.0 74.5 49.5 30.1 42.7 95
286 297 271 271 64.3 104.0 28 46.1 73.9 48.6 28.9 41.7 93
279 290 264 264 63.8 103.0 27 45.2 73.3 47.7 27.8 40.8 90
272 284 258 258 63.3 102.5 26 44.6 72.8 46.8 26.7 39.9 88
266 278 253 253 62.8 101.5 25 43.8 72.2 45.9 25.5 39.2 86
260 272 247 247 62.4 101.0 24 43.1 71.6 45.0 24.3 38.4 84
254 266 243 243 62.0 100.0 23 42.1 71.0 44.0 23.1 37.7 82
248 261 237 237 61.5 99.0 22 41.6 70.5 43.2 22.0 36.9 80
243 256 231 231 61.0 98.5 21 40.9 69.9 42.3 20.7 36.3 79
238 251 226 226 60.5 97.8 20 40.1 69.4 41.5 19.6 35.6 77
230 243 219 219   96.7 18         34.6 75
222 236 212 212   95.5 16         33.5 72
213 229 203 203   93.9 14         32.3 69
204 220 194 194   92.3 12         31.1 66
196 212 187 187   90.7 10         30.0 63
188 204 179 179   89.5 8           61
180 196 171 171   87.1 6           59
173 189 165 165   85.5 4           56
166 181 158 158   83.5 2           54
          81.7 0           53

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