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硬度换算表

布氏硬度 洛氏硬度 抗拉强度
碳化钨球 3000 KG A标尺60KG B标尺100KG C标尺150KG （大约）
– 85.6 – 68.0 68.0
– 85.3 – 67.5 67.5
– 85.0 – 67.0 67.0
767 84.7 – 66.4 66.4
757 84.4 – 65.9 65.9
745 84.1 – 65.3 65.3
733 83.8 – 64.7 64.7
722 83.4 – 64.0 64.0
712 – – – –
710 83.0 – 63.3 63.3
698 82.6 – 62.5 62.5
684 82.2 – 61.8 61.8
682 82.2 – 61.7 61.7
670 81.8 – 61.0 61.0
656 81.3 – 60.1 60.1
653 81.2 – 60.0 60.0
647 81.1 – 59.7 59.7
638 80.8 – 59.2 59.2
630 80.6 – 58.8 58.8
627 80.5 – 58.7 58.7
601 79.8 – 57.3 57.3
578 79.1 – 56.0 56.0
555 78.4 – 54.7 54.7
534 77.8 – 53.5 53.5
514 76.9 – 52.1 52.1
495 76.3 – 51.0 51.0
477 75.6 – 49.6 49.6
461 74.9 – 48.5 48.5
444 74.2 – 47.1 47.1
429 73.4 – 45.7 45.7
415 72.8 – 44.5 44.5
401 72.0 – 43.1 43.1
388 71.4 – 41.8 41.8
375 70.6 – 40.4 40.4
363 70.0 – 39.1 39.1
352 69.3 – 37.9 37.9
341 68.7 – 36.6 36.6
布氏硬度 洛氏硬度 抗拉强度
碳化钨球 3000 KG A标尺60KG B标尺100KG C标尺150KG （大约）
331 68.1 – 35.5 35.5
321 67.5 – 34.3 34.3
311 66.9 – 33.1 33.1
302 66.3 – 32.1 32.1
293 65.7 – 30.9 30.9
285 65.3 – 29.9 29.9
277 64.6 – 28.8 28.8
269 64.1 – 27.6 27.6
262 63.6 – 26.6 26.6
255 63.0 – 25.4 25.4
248 62.5 – 24.2 24.2
241 61.8 100.0 22.8 22.8
235 61.4 99.0 21.7 21.7
229 60.8 98.2 20.5 20.5
223 – 97.3 20.0 20.0
217 – 96.4 18.0 18.0
212 – 95.5 17.0 17.0
207 – 94.6 16.0 16.0
201 – 93.8 15.0 15.0
197 – 92.8 – –
192 – 91.9 – –
187 – 90.7 – –
183 – 90.0 – –
179 – 89.0 – –
174 – 87.8 – –
170 – 86.8 – –
167 – 86.0 – –
163 – 85.0 – –
156 – 82.9 – –
149 – 80.8 – –
143 – 78.7 – –
137 – 76.4 – –
131 – 74.0 – –
126 – 72.0 – –
121 – 69.8 – –
116 – 67.6 – –
111 – 65.7 – –

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