以下是洛氏硬度、布氏硬度、維氏硬度的常用范圍值的對照表。
|
洛氏硬度 |
洛氏硬度 |
布氏硬度 |
維氏硬度 |
近似強度 |
|
70.0 |
86.6 |
- |
1037.0 |
- |
|
69.5 |
86.3 |
- |
1017.0 |
- |
|
69.0 |
86.1 |
- |
997.0 |
- |
|
68.5 |
85.8 |
- |
978.0 |
- |
|
68.0 |
85.5 |
- |
959.0 |
- |
|
67.5 |
85.2 |
- |
941.0 |
- |
|
67.0 |
85 |
- |
923.0 |
- |
|
66.5 |
84.7 |
- |
906.0 |
- |
|
66.0 |
84.4 |
- |
889.0 |
- |
|
65.5 |
84.1 |
- |
872.0 |
- |
|
65.0 |
83.9 |
- |
856.0 |
- |
|
64.5 |
83.6 |
- |
840.0 |
- |
|
64.0 |
83.3 |
- |
825.0 |
- |
|
63.5 |
83.1 |
- |
810.0 |
- |
|
63.0 |
82.8 |
- |
795.0 |
- |
|
62.5 |
82.5 |
- |
780.0 |
- |
|
62.0 |
82.2 |
- |
766.0 |
- |
|
61.5 |
82.0 |
- |
752.0 |
- |
|
61.0 |
81.7 |
- |
739.0 |
- |
|
60.5 |
81.4 |
- |
726.0 |
- |
|
60.0 |
81.2 |
- |
713.0 |
2607 |
|
59.5 |
80.9 |
- |
700.0 |
2551 |
|
59.0 |
80.6 |
- |
688.0 |
2496 |
|
58.5 |
80.3 |
- |
676.0 |
2443 |
|
58.0 |
80.1 |
- |
664.0 |
2391 |
|
57.5 |
79.8 |
- |
653.0 |
2341 |
|
57.0 |
79.5 |
- |
642.0 |
2293 |
|
56.5 |
79.3 |
- |
631.0 |
2247 |
|
56.0 |
79.0 |
- |
620.0 |
2201 |
|
55.5 |
78.7 |
- |
609.0 |
2157 |
|
55.0 |
78.5 |
- |
599.0 |
2115 |
|
54.5 |
78.2 |
- |
589.0 |
2074 |
|
54.0 |
77.9 |
- |
579.0 |
2034 |
|
53.5 |
77.7 |
- |
570.0 |
1995 |
|
53.0 |
77.4 |
- |
561.0 |
1957 |
|
52.5 |
77.1 |
|
551.0 |
1921 |
|
52.0 |
76.9 |
|
543.0 |
1885 |
|
51.5 |
76.6 |
|
534.0 |
1851 |
|
51.0 |
76.3 |
|
525.0 |
1817 |
|
50.5 |
76.1 |
|
517.0 |
1785 |
|
50.0 |
75.8 |
|
509.0 |
1753 |
|
49.5 |
75.5 |
|
501.0 |
1722 |
|
49.0 |
75.3 |
|
493.0 |
1692 |
|
48.5 |
75.0 |
|
485.0 |
1662 |
|
48.0 |
74.7 |
|
478.0 |
1635 |
|
47.5 |
74.5 |
|
470.0 |
1608 |
|
47.0 |
74.2 |
449 |
463.0 |
1581 |
|
46.5 |
73.9 |
442 |
456.0 |
1555 |
|
46.0 |
73.7 |
436 |
449.0 |
1529 |
|
45.5 |
73.4 |
430 |
443.0 |
1504 |
|
45.0 |
73.2 |
424 |
436.0 |
1480 |
|
44.5 |
72.9 |
413 |
429.0 |
1457 |
|
44.0 |
72.6 |
407 |
423.0 |
1434 |
|
43.5 |
72.4 |
401 |
417.0 |
1411 |
|
43.0 |
72.1 |
396 |
411.0 |
1389 |
|
42.5 |
71.8 |
391 |
405.0 |
1368 |
|
42.0 |
71.6 |
385 |
399.0 |
1347 |
|
41.5 |
71.3 |
380 |
393.0 |
1327 |
|
41.0 |
71.1 |
375 |
388.0 |
1307 |
|
40.5 |
70.8 |
370 |
382.0 |
1287 |
|
40.0 |
70.5 |
365 |
377.0 |
1268 |
|
39.5 |
70.3 |
360 |
372.0 |
1250 |
|
39.0 |
70.0 |
355 |
367.0 |
1232 |
|
38.5 |
69.7 |
350 |
362.0 |
1214 |
|
38.0 |
69.5 |
345 |
357.0 |
1197 |
|
37.5 |
69.2 |
341 |
352.0 |
1180 |
|
37.0 |
69.0 |
336 |
347.0 |
1163 |
|
36.5 |
68.7 |
332 |
342.0 |
1147 |
|
36.0 |
68.4 |
327 |
338.0 |
1131 |
|
35.5 |
68.2 |
323 |
333.0 |
1115 |
|
35.0 |
67.9 |
318 |
329.0 |
1100 |
|
34.5 |
67.7 |
314 |
324.0 |
1080 |
|
34.0 |
67.4 |
310 |
320.0 |
1070 |
|
33.5 |
67.1 |
306 |
316.0 |
1056 |
|
33.0 |
66.9 |
302 |
312.0 |
1042 |
|
32.5 |
66.6 |
298 |
308.0 |
1028 |
|
32.0 |
66.4 |
294 |
304.0 |
1015 |
|
31.5 |
66.1 |
291 |
300.0 |
1001 |
|
31.0 |
65.8 |
287 |
296.0 |
989 |
|
30.5 |
65.6 |
283 |
292.0 |
976 |
|
30.0 |
65.3 |
280 |
289.0 |
964 |
|
29.5 |
65.1 |
276 |
285.0 |
951 |
|
29.0 |
64.8 |
273 |
281.0 |
940 |
|
28.5 |
64.6 |
269 |
278.0 |
928 |
|
28.0 |
64.3 |
266 |
274.0 |
917 |
|
27.5 |
64.0 |
263 |
271.0 |
906 |
|
27.0 |
63.8 |
260 |
268.0 |
895 |
|
26.5 |
63.5 |
257 |
264.0 |
884 |
|
26.0 |
63.3 |
254 |
261.0 |
874 |
|
25.5 |
63.0 |
251 |
258.0 |
864 |
|
25.0 |
62.8 |
248 |
255.0 |
854 |
|
24.5 |
62.5 |
245 |
252.0 |
844 |
|
24.0 |
62.2 |
242 |
249.0 |
835 |
|
23.5 |
62.0 |
240 |
246.0 |
825 |
|
23.0 |
61.7 |
237 |
243.0 |
816 |
|
22.5 |
61.5 |
234 |
240.0 |
808 |
|
22.0 |
61.2 |
232 |
237.0 |
799 |
以上數(shù)據(jù)摘自 《實用五金手冊》 廣東科技出版社，2004.3
硬度試驗是機械性能試驗中簡單易行的一種試驗方法。為了能用硬度試驗代替某些機械性能試驗，生產(chǎn)上需要一個比較準確的硬度和強度的換算關(guān)系。
實踐證明，金屬材料的各種硬度值之間，硬度值與強度值之間具有近似的相應(yīng)關(guān)系。因為硬度值是由起始塑性變形抗力和繼續(xù)塑性變形抗力決定的，材料的強度越高，塑性變形抗力越高，硬度值也就越高。
