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ASTM E140-97

ASTM E140-97 TABLE 1
HRC HRA 15 N 30 N 45 N HV

 

 HRC HRA 15 N 30 N 45 N HV
68 85.6 93.2 84.4 75.4 940 43 72.0 82.0 62.0 46.7 423
67 85.0 92.9 83.6 74.2 900 42 71.5 81.5 61.3 45.5 412
66 84.5 92.5 82.8 73.3 865 41 70.9 80.9 60.4 44.3 402
65 83.9 92.2 81.9 72.0 832 40 70.4 80.4 59.5 43.1 392
64 83.4 91.8 81.1 71.0 800 39 69.9 79.9 58.6 41.9 382
63 82.8 91.4 80.1 69.9 772 38 69.4 79.4 57.7 40.8 372
62 82.3 91.1 79.3 68.8 746 37 68.8 78.8 56.8 39.6 363
61 81.8 90.7 78.4 67.7 720 36 68.4 78.3 55.9 38.4 354
60 81.2 90.2 77.5 66.6 697 35 67.9 77.7 55.0 37.2 345
59 80.7 89.8 76.6 65.5 674 34 67.4 77.2 54.2 36.1 336
58 80.1 89.3 75.7 64.3 653 33 66.8 76.6 53.3 34.9 327
57 79.6 88.9 74.8 63.2 633 32 66.3 76.1 52.1 33.7 318
56 79.0 88.3 73.9 62.0 613 31 65.8 75.6 51.3 32.5 310
55 78.5 87.9 73.0 60.9 595 30 65.3 75.0 50.4 31.3 302
54 78.0 87.4 72.0 59.3 577 29 64.6 74.5 49.5 30.1 294
53 77.4 86.9 71.2 58.6 560 28 64.3 73.9 48.6 28.9 286
52 76.8 86.4 70.2 57.4 544 27 63.8 73.3 47.7 27.8 279
51 76.3 85.9 69.4 56.1 528 26 63.3 72.8 46.8 26.7 272
50 75.9 85.5 68.5 55.0 513 25 62.8 72.2 45.9 25.5 266
49 75.2 85.0 67.6 53.8 498 24 62.4 71.6 45.0 24.3 260
48 74.4 84.5 66.7 52.5 484 23 62.0 71.0 44.0 23.1 254
47 74.1 83.9 65.8 51.4 471 22 61.5 70.5 43.2 22.0 248
46 73.6 83.5 64.8 50.3 458 21 61.0 69.9 42.3 20.7 243
45 73.1 83.0 64.0 49.0 446 20 60.5 69.4 41.5 19.6 238

44

72.5 82.5 63.1 47.8 434              

ASTM E140-97 TABLE 2
HRB HB HRA 15T 30T 45T HV   HRB HB HRA 15T 30T 45T HV
100 240 61.5 93.1 83.1 72.9 240   80 150 49.5 86.6 69.7 52.8 150
99 234 60.9 92.8 82.5 71.9 234   79 147 48.9 86.3 69.1 51.8 147
98 228 60.2 92.5 81.8 70.9 228   78 144 48.4 86.0 68.4 50.8 144
97 222 59.5 92.1 81.1 69.9 222   77 141 47.9 85.6 67.7 49.8 141
96 216 58.9 91.8 80.4 68.9 216   76 139 47.3 85.3 67.1 48.8 139
95 210 58.3 91.5 79.8 67.9 210   75 137 46.8 85.0 66.4 47.8 137
94 205 57.6 91.2 79.1 66.9 205   74 135 46.3 84.7 65.7 46.8 135
93 200 57.0 90.8 78.4 65.9 200   73 132 45.8 84.3 65.1 45.8 132
92 195 56.4 90.5 77.8 64.8 195   72 130 45.3 84.0 64.4 44.8 130
91 190 55.8 90.2 77.1 63.8 190   71 127 44.8 83.7 63.7 43.8 127
90 185 55.2 89.9 76.4 62.8 185   70 125 44.3 83.4 63.1 42.8 125
89 180 54.6 89.5 75.8 61.8 180   69 123 43.8 83.0 62.4 41.8 123
88 176 54.0 89.2 75.1 60.8 176   68 121 43.3 82.7 61.7 40.8 121
87 172 53.4 88.9 74.4 59.8 172   67 119 42.8 82.4 61.0 39.8 119
86 169 52.8 88.6 73.8 58.8 169   66 117 42.3 82.1 60.4 38.7 117
85 165 52.3 88.2 73.1 57.8 165   65 116 41.8 81.8 59.7 37.7 116
84 162 51.7 87.9 72.4 56.8 162   64 114 41.4 81.4 59.0 36.7 114
83 159 51.1 87.6 71.8 55.8 159   63 112 40.9 81.1 58.4 35.7 112
82 156 50.6 87.3 71.1 54.8 156   62 110 40.4 80.8 57.7 34.7 110
81 153 50.0 86.9 70.4 53.8 153   61 108 40.0 80.5 57.0 33.7 108
                60 107 39.5 80.1 56.4 32.7 107


Last Updated on 6/14/99
By Norman Sousa