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4#
發(fā)表于 2014-6-23 20:12:30
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lgk861224 發(fā)表于 2014-6-23 18:24 . t x& U: C9 p3 R, C
那請問這種和HRC怎么換算的?例如材料標的是HBd 3.9-4.5,換算成HRC應該是多少?
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硬度換算表 | HV | HRC | HBS | | HV | HRC | HBS | | HV | HRC | HBS | 940 | 68 | | 560 | 53 | | 300 | 29.8 | 284 | 920 | 67.5 | | 550 | 52.3 | 505 | 295 | 29.2 | 280 | 900 | 67 | | 540 | 51.7 | 496 | 290 | 28.5 | 275 | 880 | 66.4 | | 530 | 51.1 | 488 | 285 | 27.8 | 270 | 860 | 65.9 | | 520 | 50.5 | 480 | 280 | 27.1 | 265 | 840 | 65.3 | | 510 | 49.8 | 473 | 275 | 26.4 | 261 | 820 | 64.7 | | 500 | 49.1 | 465 | 270 | 25.6 | 256 | 800 | 64 | | 490 | 48.4 | 456 | 265 | 24.8 | 252 | 780 | 63.3 | | 480 | 47.7 | 448 | 260 | 24 | 247 | 760 | 62.5 | | 470 | 46.9 | 441 | 255 | 23.1 | 243 | 740 | 61.8 | | 460 | 46.1 | 433 | 250 | 22.2 | 238 | 720 | 61 | | 450 | 45.3 | 425 | 245 | 21.3 | 233 | 700 | 60.1 | | 440 | 44.5 | 415 | 240 | 20.3 | 228 | 690 | 59.7 | | 430 | 43.6 | 405 | 230 | 18 | | 680 | 59.2 | | 420 | 42.7 | 397 | 220 | 15.7 | | 670 | 58.8 | | 410 | 41.8 | 388 | 210 | 13.4 | | 660 | 58.3 | | 400 | 40.8 | 379 | 200 | 11 | | 650 | 57.8 | | 390 | 39.8 | 369 | 190 | 8.5 | | 640 | 57.3 | | 380 | 38.8 | 360 | 180 | 6 | | 630 | 56.8 | | 370 | 37.7 | 350 | 170 | 3 | | 620 | 56.3 | | 360 | 36.6 | 341 | 160 | 0 | | 610 | 55.7 | | 350 | 35.5 | 331 | | | | 600 | 55.2 | | 340 | 34.4 | 322 | | | | 590 | 54.7 | | 330 | 33.3 | 313 | | | | 580 | 54.1 | | 320 | 32.2 | 303 | | | | 570 | 53.6 | | 310 | 31 | 294 | | | |
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