Hardness Comparison

硬度值对照表 Hardness Comparison

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Guokun Casting, of Baoding Hebei is an ISO 9001-2008 registered iron and steel foundry & supplier of high quality carbon steel, alloy steel, stainless steel, wear resistant steel castings, gray iron casting, ductile iron casting, protype castings and machhined castings used in Power, Mining, Transporation, Agricultural, Automobile, bus and truck parts, valves, oil & Gas steel castings and Gear Industry.

HV HB

10/3000

HR HR轻载荷 HS σb HV HB

10/3000

HR HR轻载荷 HS σb
HRA HRC 15-N 30-N HRA HRB HRC 15-N 30-N
940 85.6 68.0 93.2 84.4 97 410 388 71.4 41.8 81.4 61.1 137
920 85.3 67.5 93.0 84.0 96 400 379 70.8 40.8 81.0 60.2 55 134
900 85.0 67.0 92.9 83.6 95 390 369 70.3 39.8 80.3 59.3 130
880 84.7 66.4 92.7 83.1 93 380 360 69.8 110 38.8 79.8 58.4 52 127
860 84.4 65.9 92.5 82.7 92 370 350 69.2 37.7 79.2 57.4 123
840 84.1 65.3 92.3 82.2 91 360 341 68.7 109 36.6 78.6 56.4 50 120
820 83.8 64.7 92.1 81.7 90 350 331 68.1 35.5 78.0 55.4 117
800 83.4 64.0 91.9 81.1 88 340 322 67.6 108 34.4 77.4 54.4 47 113
780 83.0 63.3 91.5 80.4 87 330 313 67.0 33.3 76.8 53.6 110
760 82.6 62.5 91.2 79.7 86 320 303 66.4 107 32.2 76.2 52.3 45 106
740 82.2 61.8 91.0 79.1 84 310 294 65.8 31.0 75.6 51.3 103
720 81.8 61.0 90.7 78.4 83 300 284 65.2 105.5 29.8 74.9 50.2 42 99
700 81.3 60.1 90.3 77.6 81 295 280 64.8 29.2 74.6 49.7 98
690 81.1 59.7 90.1 77.2 290 275 64.5 104.5 28.5 74.2 49.0 41 96
680 80.8 59.2 89.8 76.8 80 232 285 270 64.2 27.8 73.8 48.4 94
670 80.6 58.8 89.7 76.4 228 280 265 63.8 103.5 27.1 73.4 47.8 40 92
660 80.3 58.3 89.5 75.9 79 224 275 261 63.5 26.4 73.0 47.2 91
650 80.0 57.8 89.2 75.5 221 270 256 63.1 102 25.6 72.6 46.4 38 89
640 79.8 57.3 89.0 75.1 77 217 265 252 62.7 24.8 72.1 45.7 87
630 79.5 56.8 88.8 74.6 214 260 247 62.4 101 24.0 71.6 45.0 37 85
620 79.2 56.3 88.5 74.2 75 210 255 243 62.0 23.1 71.1 44.2 84
610 78.9 55.7 88.2 73.6 207 250 238 61.6 99.5 22.2 70.6 43.4 36 82
600 78.6 55.2 88.0 73.2 74 203 245 233 61.2 21.3 70.1 42.5 80
590 78.4 54.7 87.8 72.7 200 240 228 60.7 98.1 20.3 69.6 41.7 34 78
580 78.0 54.1 87.5 72.1 72 196 230 219 96.7 18.0 33 75
570 77.8 53.6 87.2 71.7 193 220 209 95.0 15.7 32 71
560 77.4 53.0 86.9 71.2 71 189 210 200 93.4 13.4 30 68
550 505 77.0 52.3 86.6 70.5 186 200 190 91.4 11.0 29 65
540 496 76.7 51.7 86.3 70.0 69 183 190 181 89.5 8.5 28 62
530 488 76.4 51.1 86.0 69.5 179 180 171 87.1 6.0 26 59
520 480 76.1 50.5 85.7 69.0 67 176 170 162 85.0 3.0 25 56
510 473 75.7 49.8 85.4 68.3 173 160 152 81.7 0.0 24 53
500 465 75.3 49.1 85.0 67.7 66 169 150 143 78.7 22 50
490 456 74.9 48.4 84.7 67.1 165 140 133 75.0 21 45
480 448 74.5 47.7 84.3 66.4 64 162 130 124 71.2 20 44
470 441 74.1 46.9 83.9 65.7 158 120 114 66.7 40
460 433 73.6 46.1 83.6 64.9 62 155 110 105 62.3
450 425 73.3 45.3 83.2 64.3 151 100 95 56.2
440 415 72.8 44.5 82.8 63.5 59 148 95 90 52.0
430 405 72.3 43.6 82.3 62.7 144 90 86 48.0
420 397 71.8 42.7 81.8 61.9 57 141 85 81 41.0
本对照表经全国轧辊肖氏硬度计量比对会议验证,一重冶金处1978.11复制。仅供参考。

说明:HV-维氏硬度,HB-布氏硬度,HR-洛氏硬度,HS-肖氏硬度。σb:钢的抗拉强度,Kgf/mm2 。

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