ASTM E140-97 T1,2

             
HRB HB HRA 15T 30T 45T HV
80 150 49.5 86.6 69.7 52.8 150
79 147 48.9 86.3 69.1 51.8 147
78 144 48.4 86.0 68.4 50.8 144
77 141 47.9 85.6 67.7 49.8 141
76 139 47.3 85.3 67.1 48.8 139
75 137 46.8 85.0 66.4 47.8 137
74 135 46.3 84.7 65.7 46.8 135
73 132 45.8 84.3 65.1 45.8 132
72 130 45.3 84.0 64.4 44.8 130
71 127 44.8 83.7 63.7 43.8 127
70 125 44.3 83.4 63.1 42.8 125
69 123 43.8 83.0 62.4 41.8 123
68 121 43.3 82.7 61.7 40.8 121
67 119 42.8 82.4 61.0 39.8 119
66 117 42.3 82.1 60.4 38.7 117
65 116 41.8 81.8 59.7 37.7 116
64 114 41.4 81.4 59.0 36.7 114
63 112 40.9 81.1 58.4 35.7 112
62 110 40.4 80.8 57.7 34.7 110
61 108 40.0 80.5 57.0 33.7 108
60 107 39.5 80.1 56.4 32.7 107
ASTM E140-97 TABLE 2            
HRB HB HRA 15T 30T 45T HV
100 240 61.5 93.1 83.1 72.9 240
99 234 60.9 92.8 82.5 71.9 234
98 228 60.2 92.5 81.8 70.9 228
97 222 59.5 92.1 81.1 69.9 222
96 216 58.9 91.8 80.4 68.9 216
95 210 58.3 91.5 79.8 67.9 210
94 205 57.6 91.2 79.1 66.9 205
93 200 57.0 90.8 78.4 65.9 200
92 195 56.4 90.5 77.8 64.8 195
91 190 55.8 90.2 77.1 63.8 190
90 185 55.2 89.9 76.4 62.8 185
89 180 54.6 89.5 75.8 61.8 180
88 176 54.0 89.2 75.1 60.8 176
87 172 53.4 88.9 74.4 59.8 172
86 169 52.8 88.6 73.8 58.8 169
85 165 52.3 88.2 73.1 57.8 165
84 162 51.7 87.9 72.4 56.8 162
83 159 51.1 87.6 71.8 55.8 159
82 156 50.6 87.3 71.1 54.8 156
81 153 50.0 86.9 70.4 53.8 153
             
ASTM E140-97 TABLE 1          
HRC HRA 15 N 30 N 45 N HV
68 85.6 93.2 84.4 75.4 940
67 85.0 92.9 83.6 74.2 900
66 84.5 92.5 82.8 73.3 865
65 83.9 92.2 81.9 72.0 832
64 83.4 91.8 81.1 71.0 800
63 82.8 91.4 80.1 69.9 772
62 82.3 91.1 79.3 68.8 746
61 81.8 90.7 78.4 67.7 720
60 81.2 90.2 77.5 66.6 697
59 80.7 89.8 76.6 65.5 674
58 80.1 89.3 75.7 64.3 653
57 79.6 88.9 74.8 63.2 633
56 79.0 88.3 73.9 62.0 613
55 78.5 87.9 73.0 60.9 595
54 78.0 87.4 72.0 59.3 577
53 77.4 86.9 71.2 58.6 560
52 76.8 86.4 70.2 57.4 544
51 76.3 85.9 69.4 56.1 528
50 75.9 85.5 68.5 55.0 513
49 75.2 85.0 67.6 53.8 498
48 74.4 84.5 66.7 52.5 484
47 74.1 83.9 65.8 51.4 471
46 73.6 83.5 64.8 50.3 458
45 73.1 83.0 64.0 49.0 446
44 72.5 82.5 63.1 47.8 434
           
HRC HRA 15 N 30 N 45 N HV
43 72.0 82.0 62.0 46.7 423
42 71.5 81.5 61.3 45.5 412
41 70.9 80.9 60.4 44.3 402
40 70.4 80.4 59.5 43.1 392
39 69.9 79.9 58.6 41.9 382
38 69.4 79.4 57.7 40.8 372
37 68.8 78.8 56.8 39.6 363
36 68.4 78.3 55.9 38.4 354
35 67.9 77.7 55.0 37.2 345
34 67.4 77.2 54.2 36.1 336
33 66.8 76.6 53.3 34.9 327
32 66.3 76.1 52.1 33.7 318
31 65.8 75.6 51.3 32.5 310
30 65.3 75.0 50.4 31.3 302
29 64.6 74.5 49.5 30.1 294
28 64.3 73.9 48.6 28.9 286
27 63.8 73.3 47.7 27.8 279
26 63.3 72.8 46.8 26.7 272
25 62.8 72.2 45.9 25.5 266
24 62.4 71.6 45.0 24.3 260
23 62.0 71.0 44.0 23.1 254
22 61.5 70.5 43.2 22.0 248
21 61.0 69.9 42.3 20.7 243
20 60.5 69.4 41.5 19.6 238

Last Updated on 6/14/99
By Norman Sousa