300系硬度转换表

Rockwell-Scale HRB 硬度換算表(ASTM E140 table 6) HRB 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 15T 91.5 91.2 90.8 90.4 90.1 89.7 89.3 88.9 88.6 88.2 87.8 87.5 87.1 86.7 86.4 86.0 85.6 85.2 84.9 84.5 84.1 83.8 83.4 83.0 82.6 82.3 81.9 81.5 81.2 80.8 80.4 80.1 30T 80.4 79.7 79.0 78.3 77.7 77.0 76.3 75.6 74.9 74.2 73.5 72.8 72.1 71.4 70.7 70.0 69.3 68.6 67.9 67.2 66.5 65.8 65.1 64.4 63.7 63.0 62.4 61.7 61.0 60.3 59.6 58.9 45T 70.2 69.2 68.2 67.2 66.1 65.1 64.1 63.1 62.1 61.1 60.1 59.0 58.0 57.0 56.0 55.0 54.0 52.9 51.9 50.9 49.9 48.9 47.9 46.8 45.8 44.8 43.8 42.8 41.8 40.7 39.7 38.7 HV 225 220 215 211 206 202 197 193 189 185 182 178 174 171 168 164 161 158 155 152 149 147 144 142 139 137 134 132 130 128 125 123

適用於沃斯田鐵系(適用 300 系) HRC 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 15N 84.1 83.6 83.1 82.6 82.1 81.6 81.0 80.5 80.0 79.5 79.0 78.5 78.0 77.5 77.0 76.5 75.9 75.4 74.9 74.4 73.9 73.4 72.9 72.4 71.9 71.3 70.8 70.3 69.8 30N 66.2 65.3 64.5 63.6 62.7 61.8 61.0 60.1 59.2 58.4 57.5 56.6 55.7 54.9 54.0 53.1 52.3 51.4 50.5 49.6 48.8 47.9 47.0 46.2 45.3 44.4 43.5 42.7 41.8

製表日期：96.07.26 第二版 生計品保課印製

68 67 66 65 64 63 62 61 60

79.7 79.3 78.9 78.6 78.2 77.8 77.5 77.1 76.7

58.2 57.5 56.8 56.1 55.4 54.7 54.0 53.3 52.6

37.7 36.7 35.7 34.7 33.6 32.6 31.6 30.6 29.6

121 120 118 116 114 112 111 109 107

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