1、硬度换算表HV HRC HV HRC HV HRC940 68 560 53 300 29.8920 67.5 550 52.3 295 29.2900 67 540 51.7 290 28.5880 66.4 530 51.1 285 27.8860 65.9 520 50.5 280 27.1840 65.3 510 49.8 275 26.4820 64.7 500 49.1 270 25.6800 64 490 48.4 265 24.8780 63.3 480 47.7 260 24760 62.5 470 46.9 255 23.1740 61.8 460 46.1 250 22.
2、2720 61 450 45.3 245 21.3700 60.1 440 44.5 240 20.3690 59.7 430 43.6 230 18680 59.2 420 42.7 220 15.7670 58.8 410 41.8 210 13.4660 58.3 400 40.8 200 11650 57.8 390 39.8 190 8.5640 57.3 380 38.8 180 6630 56.8 370 37.7 170 3620 56.3 360 36.6 160 0610 55.7 350 35.5600 55.2 340 34.4590 54.7 330 33.3580 54.1 320 32.2570 53.6 310 31
