1、HV , HB 与 HRC 的换算维氏硬度布氏硬度洛氏硬度抗拉强度 RmN/mm2维氏硬度HV布氏硬度HB洛氏硬度HRC250 80 76.0 -270 85 80.7 -285 90 85.2 -305 95 90.2 -320 100 95.0 -335 105 99.8 -350 110 105 -370 115 109 -380 120 114 -400 125 119 -415 130 124 -430 135 128 -450 140 133 -465 145 138 -480 150 143 -490 155 147 -510 160 152 -530 165 156 -545
2、170 162 -560 175 166 -575 180 171 -595 185 176 -610 190 181 -625 195 185 -640 200 190 -660 205 195 -675 210 199 -690 215 204 -705 220 209 -720 225 214 -740 230 219 -755 235 223 -770 240 228 20.3785 245 233 21.3800 250 238 22.2抗拉强度 RmN/mm2维氏硬度HV布氏硬度HB洛氏硬度HRC820 255 242 23.1835 260 247 24.0850 265 252
3、 24.8865 270 257 25.6880 275 261 26.4900 280 266 27.1915 285 271 27.8930 290 276 28.5950 295 280 29.2965 300 285 29.8995 310 295 31.01030 320 304 32.21060 330 314 33.31095 340 323 34.41125 350 333 35.51115 360 342 36.61190 370 352 37.71220 380 361 38.81255 390 371 39.81290 400 380 40.81320 410 390 4
4、1.81350 420 399 42.71385 430 409 43.61420 440 418 44.51455 450 428 45.31485 460 437 46.11520 470 447 46.91555 480 (456) 47.71595 490 (466) 48.41630 500 (475) 49.11665 510 (485) 49.81700 520 (494) 50.51740 530 (504) 51.11775 540 (513) 51.71810 550 (523) 52.31845 560 (532) 53.01880 570 (542) 53.61920
5、580 (551) 54.11955 590 (561) 54.71995 600 (570) 55.2抗拉强度 RmN/mm2维氏硬度HV布氏硬度HB洛氏硬度HRC2030 610 (580) 55.72070 620 (589) 56.32105 630 (599) 56.82145 640 (608) 57.32180 650 (618) 57.8660 58.3670 58.8680 59.2690 59.7700 60.1720 61.0740 61.8760 62.5780 63.3800 64.0820 64.7840 65.3860 65.9880 66.4900 67.0920 67.5940 68.0
