国家标准硬度HLD、HRC、HRB、HV、HB、HSD转换换算表
HLD HRC HRB HV HB[1]HB[2]300 83 302 84 304 85 306 85 308 86 310 87 312 87 314 88 316 89 318 90 320 90 322 91 324 92 326 93 328 94 330 94 332 95 334 96 336 97 338 98 340 99 342 100 344 101 346 101 348 102 350 59.6 103 352 60.3 104 354 61 105 356 61.7 106 358 62.4 107 360 63.1 108 362 63.8 109 364 64.5 110 366 65.1 111 368 65.8 112 HSD
HLD596598600602604606608610612614616618620622624626628630632634636638640642644646648650652654656658660662664
HRC33.934.234.534.835.135.435.735.936.236.536.837.137.437.637.938.238.538.739 39.339.639.840.140.440.740.941.241.541.742 42.342.642.843.143.4HRB HV HB[1]322 314 325 316 328 319 330 322 333 324 336 327 338 330 341 332 344 335 346 338 349 340 352 343 355 346 357 349 360 351 363 354 366 357 369 360 372 363 375 366 377 369 380 371 383 374 386 377 389 380 392 383 395 386 398 389 401 392 404 395 407 398 411 401 414 404 417 407 420 410 HB[2]315 318 320 323 325 328 331 333 336 339 341 344 346 349 352 355 357 360 363 366 369 371 374 377 380 383 386 389 392 395 398 401 404 407 410 HSD46.346.646.947.247.547.848.248.548.849.149.449.750.150.450.751 51.351.752 52.352.652.953.353.653.954.254.654.955.255.655.856.256.556.957.2