No. 99MBG127A
9-2
Mitutoyo hard (Mitutoyo Hard Steel Table), continued
HV HK HBS HS
TENS2
(MPa)
TENS HRA HRD HRC HR15N HR30N HR45N
446 466 426 59.6 1455 211 73.1 59.2 45.0 83.0 64.0 49.0
434 452 415 58.4 1413 205 72.5 58.5 44.0 82.5 63.1 47.8
423 438 404 57.2 1372 199 72.0 57.7 43.0 82.0 62.2 46.7
412 426 393 56.1 1338 194 71.5 56.9 42.0 81.5 61.3 45.5
402 414 382 55.0 1296 188 70.9 56.2 41.0 80.9 60.4 44.3
392 402 372 53.9 1255 182 70.4 55.4 40.0 80.4 59.5 43.1
382 391 362 52.9 1220 177 69.9 54.6 39.0 79.9 58.6 41.9
372 380 352 51.8 1179 171 69.4 53.8 38.0 79.4 57.7 40.8
363 370 342 50.7 1145 166 68.9 53.1 37.0 78.8 56.8 39.6
354 360 332 49.7 1117 162 68.4 52.3 36.0 78.3 55.9 38.4
345 351 322 48.7 1082 157 67.9 51.5 35.0 77.7 55.0 37.2
336 342 313 47.7 1055 153 67.4 50.8 34.0 77.2 54.2 36.1
327 334 305 46.6 1020 148 66.8 50.0 33.0 76.6 53.3 34.9
318 326 297 45.6 993 144 66.3 49.2 32.0 76.1 52.1 33.7
310 318 290 44.6 965 140 65.8 48.4 31.0 75.6 51.3 32.5
302 311 283 43.6 938 136 65.3 47.7 30.0 75.0 50.4 31.3
294 304 276 42.7 910 132 64.6 47.0 29.0 74.5 49.5 30.1
286 297 270 41.7 889 129 64.3 46.1 28.0 73.9 48.6 28.9
279 290 265 40.8 869 126 63.8 45.2 27.0 73.3 47.7 27.8
272 284 260 39.9 848 123 63.3 44.6 26.0 72.8 46.8 26.7
266 278 255 39.2 827 120 62.8 43.8 25.0 72.2 45.9 25.5
260 272 250 38.4 807 117 62.4 43.1 24.0 71.6 45.0 24.3
254 266 245 37.7 793 115 62.0 42.1 23.0 71.0 44.0 23.1
248 261 240 36.9 772 112 61.5 41.6 22.0 70.5 43.2 22.0
243 256 235 36.3 758 110 61.0 40.9 21.0 69.9 42.3 20.7
238 251 230 35.6 745 108 60.5 40.1 20.0 69.4 41.5 19.6
Hard Steel
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