경도 환산표(기술편람)  
(hrc) 로크웰 c스케일 경도 rockweel hardness c scale 150kg brate (hw) 비커스 경도 dlamond pyramid hardness number vickers 브르넬 경도 10mm구 하중 brinell hardness 29.42kn 로크웰 경도 rockewll hardness (hs) 쇼아 경도 shore sclerosope hardness number 인장 강도 (근사치) kgf/mm2 {n/mm2} approx tensile strength n/m2 로크웰 c스케일 경도 rockwell hardness c scale 150kg brate　 표준구 standard 10mm ball hultgren 구 hultgren 100mm ball 텅스텐 카바이 트구 tunfsten carbide 10mm (hra) a스케일 하중60kgf 다이아몬드 압자 a scale 60kg brale (hrb) b스케일 하중100kgf 하1/16in구 b scale 100kg brale (hrd) d스케일 다이아몬드 압자 d scale 100kg brale　 xxxx.xx.xx-xxxx.xx.xx.9 xxxx.xx.xx 900-xxxx.xx.xx.1 xxx-xxx 66 865-84.xxx-xxx.4 xxx-xxx 65 832739 83.xxx-xxx.5 xxx-xxx 64 800722 83.4-73.8 88-64 63 772705 82.8-73.0 87-63 62 746688 82.3-72.2 85-62 61 720670 81.8-71.5 83-61 60 637-613 654 81.2-70.7 81-60 59 674-599 634 80.7-69.9 80-59 58 653-587 615 80.1-69.2 78-58 57 633-575 595 79.6-68.5 76-57 56 613-561 577 79.0-67.7 75-56 55 595-546 560 78.5-66.9 74 2079 55 54 577-534 543 78.0-66.1 72 2010 54 53 560 500 519 525 77.4-65.4 71 1952 53 52 544 481 508 512 76.8-64.6 69 1883 52 51 528 487 494 496 76.3-63.8 68 1824 51 50 513 475 481 481 75.9-63.1 67 1755 50 49 498 464 469 469 75.2-62.1 66 1687 49 48 484 451 455 455 74.7-61.4 64 1638 48 47 471 442 443 443 74.1-60.8 63 1579 47 46 458 432 432 432 73.6-60.0 62 1530 46 45 446 421 421 421 73.1-59.2 60 1481 45 44 434 409 409 409 72.5-58.5 58 1432 44 43 423 400 400 400 72.0-57.7 57 1383 43 42 412 390 390 390 71.5-56.9 56 1334 42 41 402 381 381 381 70.9-56.2 55 1294 41 40 392 371 371 371 71.4-55.4 54 1245 40 39 382 362 362 362 69.9-54.6 52 1216 39 38 372 353 353 353 69.4-53.8 51 1177 38 37 363 344 344 344 68.9-53.1 50 1157 37 36 354 336 336 336 68.4 (109.0) 52.3 49 1118 36 35 345 327 327 327 67.9 (108.5) 51.5 48 1079 35 34 336 319 319 319 67.4 (108.0) 50.8 47 1059 34 33 327 311 311 311 66.8 (107.5) 80.0 46 1030 33 32 318 301 301 301 66.3 (107.0) 49.2 44 1 32 31 310 294 294 294 65.8 (106.5) 48.4 43 981 31 30 302 286 286 286 65.3 (105.5) 47.7 42 951 30 29 294 279 279 279 64.7 (104.5) 47.0 41 932 29 28 286 271 271 271 64.3 (104.0) 46.1 41 912 28 27 279 264 264 264 63.8 (103.0) 45.2 40 883 27 26 272 258 258 258 63.3 (102.5) 44.6 38 863 26 25 266 253 253 253 62.8 (101.5) 43.8 38 843 25 24 260 247 247 247 62.4 (101.0) 43.1 37 824 24 23 254 243 243 243 62.0 100.0 42.1 36 804 23 22 248 237 247 237 61.5 99.0 41.6 35 785 22 21 243 231 231 231 61.0 98.5 40.9 35 775 21 20 238 223 226 226 60.5 97.8 40.1 34 755 20 (18) 230 219 219 219-96.7-33 763 (18) (16) 222 212 212 212-95.5-32 706 (16) (14) 213 203 203 203-93.9-31 677 (14) (12) 204 194 194 194-92.3-29 647 (12) (10) 196 187 187 187-90.7-28 618 (10) (8) 188 179 179 179-89.5-27 598 (8) (6) 180 171 171 171-87.1-26 579 (6) (4) 173 165 165 165-85.5-25 549 (4) (2) 166 158 158 158-83.5-24 530 (2) (0) 160 152 152 152-81.7-24 520 (0)   (이하 생략)