(HRC) 硬度 | (HS) 硬度 | (HV) 硬度 | 硬度(HB) 100mm 荷重3000kgt | 硬度 | 抗拉強度 | |||
標準球 | (HRB) 荷重 60kgt100kgt/1 .6mm | (HRB) 荷重 100kgt/1 .6M | (HRD) 荷重100kgt | Mpa ( kgt / mm2） | ||||
68 | 97 | 940 | - | - | 85.6 | - | 76.9 | - |
67 | 95 | 900 | - | - | 85.0 | - | 76.1 | - |
66 | 92 | 865 | - | - | 84.5 | - | 75.4 | - |
65 | 91 | 832 | - | 739 | 83.9 | - | 74.5 | - |
64 | 88 | 800 | - | 722 | 83.4 | - | 73.8 | - |
63 | 87 | 772 | - | 705 | 82.8 | - | 73.0 | - |
62 | 85 | 746 | - | 688 | 82.3 | - | 72.2 | - |
61 | 83 | 720 | - | 670 | 81.8 | - | 71.5 | - |
60 | 81 | 697 | - | 654 | 81.2 | - | 70.7 | - |
59 | 80 | 674 | - | 634 | 80.7 | - | 69.9 | - |
58 | 78 | 653 | - | 615 | 80.1 | - | 69.2 | - |
57 | 76 | 633 | - | 595 | 79.6 | - | 68.8 | - |
56 | 75 | 613 | - | 577 | 79.0 | - | 67.7 | - |
55 | 74 | 595 | - | 560 | 78.5 | - | 66.9 | 2075(199) |
54 | 72 | 577 | - | 543 | 78.0 | - | 66.1 | 2015(205) |
53 | 71 | 560 | - | 525 | 77.4 | - | 65.4 | 1950(199) |
52 | 69 | 544 | 500 | 512 | 76.8 | - | 64.6 | 1880(192) |
51 | 68 | 528 | 487 | 496 | 76.3 | - | 63.8 | 1760(179) |
50 | 67 | 513 | 475 | 481 | 75.9 | - | 63.1 | 1695(199) |
49 | 66 | 498 | 464 | 469 | 75.2 | - | 62.1 | 1635(199) |
48 | 64 | 484 | 451 | 455 | 74.7 | - | 61.4 | 1580(192) |
47 | 63 | 471 | 442 | 443 | 74.1 | - | 60.8 | 1530(186) |
46 | 62 | 458 | 432 | 432 | 73.6 | - | 60.0 | 1480(179) |
45 | 60 | 446 | 421 | 421 | 73.1 | - | 59.2 | 1435(173) |
44 | 58 | 434 | 409 | 409 | 72.5 | - | 58.5 | 1385(141) |
43 | 57 | 423 | 400 | 400 | 72.0 | - | 57.7 | 1340(136) |
42 | 56 | 412 | 390 | 390 | 71.5 | - | 56.9 | 1295(132) |
41 | 55 | 402 | 381 | 381 | 70.9 | - | 56.0 | 1250(127) |
40 | 54 | 392 | 371 | 371 | 70.4 | - | 55.4 | 1215(124) |
39 | 52 | 382 | 362 | 362 | 69.9 | - | 54.6 | 1180(120) |
38 | 51 | 372 | 353 | 353 | 69.4 | - | 53.8 | 1160(118) |
37 | 50 | 363 | 344 | 344 | 68.9 | - | 53.1 | 1115(114) |
36 | 49 | 354 | 336 | 336 | 68.4 | 109.0 | 52.3 | 1080(110) |
35 | 48 | 345 | 327 | 327 | 67.9 | 108.5 | 51.5 | 1055(108) |
34 | 47 | 336 | 319 | 319 | 67.4 | 108.0 | 50.8 | 1025(105) |
33 | 46 | 327 | 311 | 311 | 66.8 | 107.5 | 50.0 | 1000(102) |
32 | 44 | 318 | 301 | 301 | 66.3 | 107.0 | 49.2 | 980(100) |
31 | 43 | 310 | 294 | 294 | 65.8 | 106.0 | 48.4 | 950(97) |
30 | 42 | 302 | 286 | 286 | 65.3 | 105.5 | 47.7 | 930(95) |
29 | 41 | 294 | 279 | 279 | 64.7 | 104.5 | 47.0 | 910(93) |
28 | 41 | 286 | 271 | 271 | 64.3 | 104.0 | 46.1 | 880(90) |
27 | 40 | 279 | 264 | 264 | 63.8 | 103.0 | 45.2 | 860(88) |
26 | 38 | 272 | 258 | 258 | 63.3 | 102.5 | 44.6 | 860(86) |
25 | 38 | 266 | 253 | 253 | 62.8 | 101.5 | 43.8 | 840(86) |
24 | 37 | 260 | 247 | 247 | 62.4 | 101.0 | 43.1 | 825(64) |
23 | 35 | 254 | 243 | 243 | 61.5 | 99.0 | 41.6 | 785(90) |
21 | 35 | 243 | 231 | 231 | 61.0 | 98.5 | 40.9 | 785(90) |
20 | 34 | 238 | 226 | 226 | 60.5 | 97.8 | 40.1 | 760(77) |
18 | 33 | 230 | 219 | 219 | 96.7 | 730(75) | ||
16 | 32 | 222 | 212 | 212 | 95.5 | 705(72) | ||
14 | 31 | 213 | 203 | 203 | 93.9 | 675(69) | ||
12 | 29 | 204 | 194 | 194 | 92.3 | 650(66) | ||
10 | 28 | 196 | 187 | 187 | 90.7 | 620(63) | ||
8 | 27 | 188 | 179 | 179 | 89.5 | 600(61) | ||
6 | 26 | 180 | 171 | 171 | 87.1 | 580(59) | ||
4 | 25 | 173 | 165 | 165 | 85.5 | 550(56) | ||
2 | 24 | 166 | 158 | 158 | 83.5 | 530(54) | ||
0 | 160 | 152 | 152 | 81.7 | ||||
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