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  • 硬度制轉換表

    洛氏C硬度范圍

    Approximate Hardness Conversion Numbers for Non-Austenitic Steels, According to ASTM E-140
    The Conversion Values contained herein should be considered approximate only and may be inaccurate for specific applications

    C A D 15N 30N 45N 維氏 努氏 布氏 拉力
    150 kgt 60 kgt 100kgt 15kgt 30 kgt 45 kgt 硬度 硬度 硬度 強度
    金剛石 金剛石 金剛石 金剛石 金剛石 金剛石   500gr 3000kgt 1000 lbs/
                  and over 10mm ball square in
    68 85.6 76.9 93.2 84.4 75.4 940 920 .. ..
    67 85.0 76.1 92.9 83.6 74.2 900 895 .. ..
    66 84.5 75.4 92.5 82.8 73.3 865 870 .. ..
    65 83.9 74.5 92.2 81.9 72.0 832 846 (739)  
    64 83.4 73.8 91.8 81.1 71.0 800 822 (722)  
    63 82.8 73.0 91.4 80.1 69.9 772 799 (705)  
    62 82.3 72.2 91.1 79.3 68.8 745 776 (688)  
    61 81.8 71.5 90.7 78.4 67.7 720 754 (670)  
    60 81.2 70.7 90.2 77.5 66.6 697 732 (654)  
    59 80.7 69.9 89.8 76.6 65.5 674 710 (634) 351
    58 80.1 69.2 89.3 75.7 64.3 653 690 615 338
    57 79.6 68.5 88.9 74.8 63.2 633 670 595 325
    56 79.0 67.7 88.3 73.9 62.0 613 650 577 313
    55 78.5 66.9 87.9 73.0 60.9 595 630 560 301
    54 78.0 66.1 87.4 72.0 59.8 577 612 543 292
    53 77.4 65.4 86.9 71.2 58.6 560 594 525 283
    52 76.8 64.6 84.4 70.2 57.4 544 576 512 273
    51 76.3 63.8 85.9 69.4 56.1 528 558 496 264
    50 75.9 63.1 85.5 68.5 55.0 513 542 481 255
    49 75.2 62.1 85.0 67.6 53.8 498 526 469 246
    48 74.7 61.4 84.6 66.7 52.5 484 510 455 237
    47 74.1 60.8 83.9 65.8 51.4 471 495 443 229
    46 73.6 60 83.5 64.8 50.3 458 480 432 221
    45 73.1 59.2 83.0 64.0 49.0 446 466 421 215
    44 72.5 58.5 82.5 63.1 47.8 434 452 409 208
    43 72.0 57.7 82.0 62.2 46.7 423 438 400 201
    42 71.5 56.9 81.5 61.3 45.5 412 426 390 195
    41 70.9 56.2 80.9 60.4 44.3 402 414 381 188
    40 70.4 55.4 80.4 59.5 43.1 392 402 371 182
    39 69.9 54.6 79.9 58.6 41.9 382 391 362 177
    38 69.4 53.8 79.4 57.7 40.8 372 380 353 171
    37 58.9 53.1 78.8 56.8 39.6 363 370 344 166
    36 68.4 52.3 78.3 55.9 38.4 354 360 336 161
    35 67.9 51.5 77.7 55.0 37.2 345 351 327 156
    34 67.4 50.8 77.2 54.2 36.1 336 342 319 152
    33 66.8 50.0 76.6 53.3 34.9 327 334 311 149
    32 66.3 49.2 76.1 52.1 33.7 318 326 301 146
    31 65.8 48.4 75.6 51.3 32.5 310 318 294 141
    30 65.3 47.7 75.0 50.4 31.3 302 311 286 138
    29 64.8 47.0 74.5 49.5 30.1 294 304 279 135
    28 64.3 46.1 73.9 48.6 28.9 286 297 271 131
    27 63.8 45.2 73.3 47.7 27.8 279 290 264 128
    26 63.3 44.6 72.8 46.8 26.7 272 284 258 125
    25 62.8 43.8 72.2 45.9 25.5 266 278 253 123
    24 62.4 43.1 71.6 45.0 24.3 260 272 247 119
    23 62.0 42.1 71.0 44.0 23.1 254 266 243 117
    22 61.5 41.6 70.5 43.2 22.0 248 261 237 115
    21 61.0 40.9 69.9 42.3 20.7 243 256 231 112
    20 60.5 40.1 69.4 41.5 19.6 238 251 226 110
                       

     

    洛氏B硬度范圍

    Approximate Hardness Conversion Numbers for Non-Austenitic Steels, according to ASTM E-140
    The conversion values contained herein should be considered approximate only and may be inaccurate for Specific applications.

     

    洛氏

     

    表面洛氏

     

    維氏

    努氏

    布氏

    拉力

    布氏

    B A E 15T 30T 45T 硬度 硬度 硬度 強度 硬度
    100kgf 60 kgf 100 kgf 15 kgf 30 kgf 45 kg f   500gf 3000 kgf 1000 lbs/ 500 kgf
    1/16"ball 金剛石 1/8" ball 1/16" ball 1/16"ball 1/16" ball   and over 10mm ball square in 10mm ball
    100 61.5   93.1 83.1 72.9 240 261 240 116 201
    99 60.9   82.8 82.5 71.9 234 246 234 114 195
    98 602   92.5 81.8 709 228 241 228 109 189
    97 59.5   92.1 81.1 699 222 236 222 105 184
    96 58.9   91.8 80.4 689 216 231 216 102 179
    95 58.3   91.5 79.8 67.9 210 226 210 100 175
    94 57.6   91.2 79.1 669 205 221 205 98 171
    93 57   90.8 784 659 200 216 200 94 167
    92 56.4   90.5 77.8 64.8 195 211 195 92 163
    91 55.8   90.2 77.1 63.8 190 206 190 90 160
    90 55.2   89.9 76.4 62.8 186 201 186 89 157
    89 54.6   89.5 76.8 61.8 180 196 180 88 164
    88 64.0   89.2 75.1 60.8 176 192 176 86 151
    87 53.4   88.9 74.4 59.8 172 188 172 84 148
    86 52.8   88.6 73.8 58.8 169 184 169 83 145
    85 52.3   88.2 73.1 57.8 165 180 165 82 142
    84 51.7   87.9 72.4 56.8 162 176 162 81 140
    83 51.1   87.6 71.8 55.8 159 173 159 80 137
    82 50.6   87.3 71.1 54.8 156 170 156 76 135
    81 50   86.9 70.4 53.8 153 167 153 73 133
    80 49.5   86.6 69.7 52.8 150 164 150 72 130
    79 48.9   86.3 69.1 51.8 147 161 147 70 128
    78 48.4   86.0 68.4 50.8 144 158 144 69 126
    77 47.9   85.6 67.7 49.8 141 155 141 68 124
    76 47.3   85.3 67.1 48.8 139 152 139 67 122
    75 46.8   86.0 66.4 47.8 137 150 137 66 120
    74 46.3   84.7 65.7 46.8 135 147 135 66 118
    73 45.8   84.3 65.1 45.8 132 145 132 64 116
    72 45.3   84.0 64.4 44.8 130 143 130 63 114
    71 44.8 100 83.7 63.7 43.8 127 141 127 62 112
    70 44.3 99.5 83.4 63.1 42.8 125 139 125 61 110
    69 43.8 99.0 83.0 62.4 41.8 123 137 123 60 109
    68 43.3 98.0 82.7 61.7 40.8 121 135 121 59 108
    67 42.8 97.5 82.4 61 39.8 119 133 119 58 106
    66 42.3 97.0 82.1 60.4 38.7 117 131 117 57 104
    65 41.8 96.0 81.8 59.7 37.7 116 129 116 56 102
    64 41.4 95.5 81.4 59 36.7 114 127 114   100
    63 40.9 95.0 81.1 58.4 35.7 112 125 112   99
    62 40.4 94.5 80.8 57.7 34.7 110 124 110   98
    61 40.0 93.5 80.5 57.0 33.7 108 122 108   96
    60 39.5 93.0 80.1 56.4 32.7 107 120 107   95
    59 39.0 92.5 79.8 55.7 31.7 106 118 106   94
    58 38.6 92.0 79.5 55 30.7 104 117 104   92
    57 38.1 91.0 79.2 54.4 2.97 103 115 103   91
    56 37.7 90.6 78.8 53.7 28.7 101 114 101   90
    55 37.2 90.0 78.6 53.0 27.7 100 112 100   89
    54 36.8 89.5 78.2 52.4 26.7   111     87
    53 36.3 89.0 77.9 51.7 26.7   110     86
    52 35.9 88.0 77.5 51.0 24.7   109     85
    51 35.5 87.6 77.2 50.3 23.7   108     84
    50 35.0 87.0 76.9 49.7 22.7   107     83
    49 34.6 86.5 76.6 49.0 21.7   106     82
    48 34.1 85.5 76.2 48.3 20.7   105     81
    47 33.7 85 75.9 47.7 19.7   104     80
    46 33.3 84.6 76.6 47.0 18.7   103     80
    45 32.9 84 76.3 46.3 17.7   102     79
    44 32.4 83.5 74.9 45.7 16.7   101     78
    43 32.0 82.5 74.6 45.0 15.7   100     77
    42 31.6 82 74.3 44.3 14.7   99     76
    41 31.2 81.5 74.0 43.7 13.6   98     75
    40 30.7 81 73.6 43.0 12.6   97     75
    39 30.3 80 73.3 42.3 11.6   96     74
    38 29.9 79.5 73.0 41.6 10.6   95     73
    37 29.5 79 72.7 41.0 9.6   94     72
    36 29.1 78.5 72.3 40.3 8.6   93     72
    35 28.7 78.0 72.0 39.6 7.6   92     71
    34 28.2 77.0 71.7 39.0 6.6   91     70
    33 27.8 76.6 71.4 38.3 5.6   90     69
    32 27.4 76.0 71.0 37.6 4.6   89     69
    31 27.0 75.5 70.7 37.0 3.6   88     68
    30 26.6 75.0 70.4 36.3 2.6   87     67
    Hardness values in brackets are outside the range recommended for Brinell testing in ASTM E-10.
    The above table is from ASTM E-110 except values for E-scale and Tensile Strength which are not from or according to ASTM Standards.
    Reprinted from the Annual Book of ASTM Standards, copyright American Society for Testing and Materials.

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