美國材料試驗學(xué)會標準ASTM E140中文版《標準金屬硬度換算表 布氏硬度、維氏硬度、洛氏硬度、表面洛氏硬度、努氏硬度、肖氏硬度和里氏硬度之間的關(guān)系》表2:非奧氏體碳素鋼、合金鋼、工具鋼硬度換算表(HRB范圍)
硬度換算表2提供鍛造、退火、正火及淬火回火狀態(tài)下材質(zhì)均勻的非奧氏體鋼(包括碳鋼、合金鋼和工具鋼)洛氏HRB硬度范圍內(nèi)布氏硬度、維氏硬度、洛氏硬度、表面洛氏硬度、努氏硬度和肖氏硬度之間關(guān)系的硬度對照表。
洛氏硬度 | 洛氏硬度 | 洛氏硬度 | 表面洛氏 | 表面洛氏 | 表面洛氏 | 維氏硬度 | 布氏硬度 | 努氏硬度 |
HRB | HRA | HRF | HR15T | HR30T | HR45T | HV | HBS | HK |
100 | 61.5 | 93.1 | 83.1 | 72.9 | 240 | 240 | 251 | |
99 | 60.9 | 92.8 | 82.5 | 71.9 | 234 | 234 | 246 | |
98 | 60.2 | 92.5 | 81.8 | 70.9 | 228 | 228 | 241 | |
97 | 59.5 | 92.1 | 81.1 | 69.9 | 222 | 222 | 236 | |
96 | 58.9 | 91.8 | 80.4 | 68.9 | 216 | 216 | 231 | |
95 | 58.3 | 91.5 | 79.8 | 67.9 | 210 | 210 | 226 | |
94 | 57.6 | 91.2 | 79.1 | 66.9 | 205 | 205 | 221 | |
93 | 57.0 | 90.8 | 78.4 | 65.9 | 200 | 200 | 216 | |
92 | 56.4 | 90.5 | 77.8 | 64.8 | 195 | 195 | 211 | |
91 | 55.8 | 90.2 | 77.1 | 63.8 | 190 | 190 | 206 | |
90 | 55.2 | 89.9 | 76.4 | 62.8 | 185 | 185 | 201 | |
89 | 54.6 | 89.5 | 75.8 | 61.8 | 180 | 180 | 196 | |
88 | 54.0 | 89.2 | 75.1 | 60.8 | 176 | 176 | 192 | |
87 | 53.4 | 88.9 | 74.4 | 59.8 | 172 | 172 | 188 | |
86 | 52.8 | 88.6 | 73.8 | 58.8 | 169 | 169 | 184 | |
85 | 52.3 | 88.2 | 73.1 | 57.8 | 165 | 165 | 180 | |
84 | 51.7 | 87.9 | 72.4 | 56.8 | 162 | 162 | 176 | |
83 | 51.1 | 87.6 | 71.8 | 55.8 | 159 | 159 | 173 | |
82 | 50.6 | 87.3 | 71.1 | 54.8 | 156 | 156 | 170 | |
81 | 50.0 | 86.9 | 70.4 | 53.8 | 153 | 153 | 167 | |
80 | 49.5 | 86.6 | 69.7 | 52.8 | 150 | 150 | 164 | |
79 | 48.9 | 86.3 | 69.1 | 51.8 | 147 | 147 | 161 | |
78 | 48.4 | 86.0 | 68.4 | 50.8 | 144 | 144 | 158 | |
77 | 47.9 | 85.6 | 67.7 | 49.8 | 141 | 141 | 155 | |
76 | 47.3 | 85.3 | 67.1 | 48.8 | 139 | 139 | 152 | |
75 | 46.8 | 99.6 | 85.0 | 66.4 | 47.8 | 137 | 137 | 150 |
74 | 46.3 | 99.1 | 84.7 | 65.7 | 46.8 | 135 | 135 | 147 |
73 | 45.8 | 98.5 | 84.3 | 65.1 | 45.8 | 132 | 132 | 145 |
72 | 45.3 | 98.0 | 84.0 | 64.4 | 44.8 | 130 | 130 | 143 |
71 | 44.8 | 97.4 | 83.7 | 63.7 | 43.8 | 127 | 127 | 141 |
70 | 44.3 | 96.8 | 83.4 | 63.1 | 42.8 | 125 | 125 | 139 |
69 | 43.8 | 96.2 | 83.0 | 62.4 | 41.8 | 123 | 123 | 137 |
68 | 43.3 | 95.6 | 82.7 | 61.7 | 40.8 | 121 | 121 | 135 |
67 | 42.8 | 95.1 | 82.4 | 61.0 | 39.8 | 119 | 119 | 133 |
66 | 42.3 | 94.5 | 82.1 | 60.4 | 38.7 | 117 | 117 | 131 |
65 | 41.8 | 93.9 | 81.8 | 59.7 | 37.7 | 116 | 116 | 129 |
64 | 41.4 | 93.4 | 81.4 | 59.0 | 36.7 | 114 | 114 | 127 |
63 | 40.9 | 92.8 | 81.1 | 58.4 | 35.7 | 112 | 112 | 125 |
62 | 40.4 | 92.2 | 80.8 | 57.7 | 34.7 | 110 | 110 | 124 |
61 | 40.0 | 91.7 | 80.5 | 57.0 | 33.7 | 108 | 108 | 122 |
60 | 39.5 | 91.1 | 80.1 | 56.4 | 32.7 | 107 | 107 | 120 |
59 | 39.0 | 90.5 | 79.8 | 55.7 | 31.7 | 106 | 106 | 118 |
58 | 38.6 | 90.0 | 79.5 | 55.0 | 30.7 | 104 | 104 | 117 |
57 | 38.1 | 89.4 | 79.2 | 54.4 | 29.7 | 103 | 103 | 115 |
56 | 37.7 | 88.8 | 78.8 | 53.7 | 28.7 | 101 | 101 | 114 |
55 | 37.2 | 88.2 | 78.5 | 53.0 | 27.7 | 100 | 100 | 112 |
54 | 36.8 | 87.7 | 78.2 | 52.4 | 26.7 | 111 | ||
53 | 36.3 | 87.1 | 77.9 | 51.7 | 25.7 | 110 | ||
52 | 35.9 | 86.5 | 77.5 | 51.0 | 24.7 | 109 | ||
51 | 35.5 | 86.0 | 77.2 | 50.3 | 23.7 | 108 | ||
50 | 35.0 | 85.4 | 76.9 | 49.7 | 22.7 | 107 | ||
49 | 34.6 | 84.8 | 76.6 | 49.0 | 21.7 | 106 | ||
48 | 34.1 | 84.3 | 76.2 | 48.3 | 20.7 | 105 | ||
47 | 33.7 | 83.7 | 75.9 | 47.7 | 19.7 | 104 | ||
46 | 33.3 | 83.1 | 75.6 | 47.0 | 18.7 | 103 | ||
45 | 32.9 | 82.6 | 75.3 | 46.3 | 17.7 | 102 | ||
44 | 32.4 | 82.0 | 74.9 | 45.7 | 16.7 | 101 | ||
43 | 32.0 | 81.4 | 74.6 | 45.0 | 15.7 | 100 | ||
42 | 31.6 | 80.8 | 74.3 | 44.3 | 14.7 | 99 | ||
41 | 31.2 | 80.3 | 74.0 | 43.7 | 13.6 | 98 | ||
40 | 30.7 | 79.7 | 73.6 | 43.0 | 12.6 | 97 | ||
39 | 30.3 | 79.1 | 73.3 | 42.3 | 11.6 | 96 | ||
38 | 29.9 | 78.6 | 73.0 | 41.6 | 10.6 | 95 | ||
37 | 29.5 | 78.0 | 72.7 | 41.0 | 9.6 | 94 | ||
36 | 29.1 | 77.4 | 72.3 | 40.3 | 8.6 | 93 | ||
35 | 28.7 | 76.9 | 72.0 | 39.6 | 7.6 | 92 | ||
34 | 28.2 | 76.3 | 71.7 | 39.0 | 6.6 | 91 | ||
33 | 27.8 | 75.7 | 71.4 | 38.3 | 5.6 | 90 | ||
32 | 27.4 | 75.2 | 71.0 | 37.6 | 4.6 | 89 | ||
31 | 27.0 | 74.6 | 70.7 | 37.0 | 3.6 | 88 | ||
30 | 26.6 | 74.0 | 70.4 | 36.3 | 2.6 | 87 |
在線閱讀 免費下載