钢的硬度值换算 表1 钢的维氏硬度(HV)与其他硬度和强度的近似换算值a(续)
维 氏 硬 度 |
布氏硬度 10-mm钢球 3000-kg负荷b |
洛氏硬度b |
表面洛氏硬度 表面金刚石圆锥压头 |
肖 氏 硬 度 |
抗拉强度 (近似值) Mpa (1000psi) |
维 氏 硬 度 |
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标准 钢球 |
钨-硬质 合金钢球 |
标尺 60-kg负荷 金刚圆锥压头 |
标尺 100-kg负荷 金刚圆锥压头 |
标尺 100-kg负荷 金刚圆锥压头 |
标尺 100-kg负荷 金刚圆锥压头 |
15-N 标尺 15-kg 负荷 |
30-N 标尺 30-kg 负荷 |
45-N 标尺 45-kg 负荷 |
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HV |
HBS |
HBW |
HRA |
HRB |
HRC |
HRD |
HR15N |
HR30N |
HR45N |
HS |
σb |
HV |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
370 |
350 |
350 |
69.2 |
- |
37.7 |
53.6 |
79.2 |
57.4 |
40.4 |
- |
1170(170) |
370 |
360 |
341 |
341 |
68.7 |
-109 |
36.6 |
52.8 |
78.6 |
56.4 |
39.1 |
50 |
1130(164) |
360 |
350 |
331 |
331 |
68.1 |
- |
35.5 |
51.9 |
78 |
55.4 |
37.8 |
- |
1095(159) |
350 |
340 |
322 |
322 |
67.6 |
-108 |
34.4 |
51.1 |
77.4 |
54.4 |
36.5 |
47 |
1070(155) |
340 |
330 |
313 |
313 |
67 |
- |
33.3 |
50.2 |
76.8 |
53.6 |
35.2 |
- |
1035(150) |
330 |
320 |
303 |
303 |
66.4 |
-107 |
32.3 |
49.4 |
76.2 |
52.3 |
33.9 |
45 |
1005(146) |
320 |
310 |
294 |
294 |
65.8 |
- |
31 |
48.4 |
75.6 |
51.3 |
32.5 |
- |
980(142) |
310 |
300 |
284 |
284 |
65.2 |
-105.5 |
29.8 |
47.5 |
74.9 |
50.2 |
31.1 |
42 |
950(138) |
300 |
295 |
280 |
280 |
65.8 |
- |
29.2 |
47.1 |
74.6 |
49.7 |
30.4 |
- |
935(136) |
295 |
290 |
275 |
275 |
64.5 |
-104.5 |
28.5 |
46.5 |
74.2 |
49 |
29.5 |
41 |
915(133) |
290 |
285 |
270 |
270 |
64.2 |
- |
27.8 |
46 |
73.8 |
48.4 |
28.7 |
- |
905(131) |
285 |
280 |
265 |
265 |
63.8 |
-103.5 |
27.1 |
45.3 |
73.4 |
47.8 |
27.9 |
40 |
890(129) |
280 |
275 |
261 |
261 |
63.5 |
- |
26.4 |
44.9 |
73 |
47.2 |
27.1 |
- |
875(127) |
275 |
270 |
256 |
256 |
63.1 |
-102 |
25.6 |
44.3 |
72.6 |
46.4 |
26.2 |
38 |
855(124) |
270 |
265 |
252 |
252 |
62.7 |
- |
24.8 |
43.7 |
72.1 |
45.7 |
25.2 |
- |
840(122) |
265 |
260 |
247 |
247 |
62.4 |
-101 |
24 |
43.1 |
71.6 |
45 |
24.3 |
37 |
825(120) |
260 |
255 |
243 |
243 |
62 |
- |
23.1 |
42.2 |
71.1 |
44.2 |
23.2 |
-36 |
805(117) |
255 |
250 |
238 |
238 |
61.6 |
99.5 |
22.2 |
41.7 |
70.6 |
43.4 |
22.2 |
- |
795(115) |
250 |
245 |
233 |
233 |
61.2 |
- |
21.3 |
41.1 |
70.1 |
42.5 |
21.1 |
34 |
780(113) |
245 |
240 |
228 |
228 |
60.7 |
98.1 |
20.3 |
40.3 |
69.6 |
41.7 |
19.9 |
33 |
765(111) |
240 |
230 |
219 |
219 |
- |
96.7 |
-18 |
- |
- |
- |
- |
32 |
730(106) |
230 |
220 |
209 |
209 |
- |
95 |
-15.7 |
- |
- |
- |
- |
30 |
695(101) |
220 |
210 |
200 |
200 |
- |
93.4 |
-13.4 |
- |
- |
- |
- |
29 |
670(97) |
210 |
200 |
190 |
190 |
- |
91.5 |
-11 |
- |
- |
- |
- |
28 |
635(92) |
200 |
190 |
181 |
181 |
- |
89.5 |
-8.5 |
- |
- |
- |
- |
26 |
605(88) |
190 |
180 |
171 |
171 |
- |
87.1 |
-6 |
- |
- |
- |
- |
25 |
580(84) |
180 |
170 |
162 |
162 |
- |
85 |
-3 |
- |
- |
- |
- |
24 |
545(79) |
170 |
160 |
152 |
152 |
- |
81.7 |
0 |
- |
- |
- |
- |
22 |
515(75) |
160 |
150 |
143 |
143 |
- |
78.7 |
- |
- |
- |
- |
- |
21 |
490(71) |
150 |
140 |
133 |
133 |
― |
75 |
- |
- |
- |
- |
- |
20 |
455(66) |
140 |
130 |
124 |
124 |
― |
71.2 |
- |
- |
- |
- |
- |
- |
425(62) |
130 |
120 |
114 |
114 |
- |
66.7 |
- |
- |
- |
- |
- |
- |
390(57) |
120 |
110 |
105 |
105 |
- |
62.3 |
- |
- |
- |
- |
- |
- |
- |
110 |
100 |
95 |
95 |
- |
56.2 |
- |
- |
- |
- |
- |
- |
- |
100 |
95 |
90 |
90 |
- |
52 |
- |
- |
- |
- |
- |
- |
- |
95 |
90 |
86 |
86 |
- |
48 |
- |
- |
- |
- |
- |
- |
- |
90 |
85 |
81 |
81 |
- |
41 |
- |
- |
- |
- |
- |
- |
a)在本表中用黑体字表示的值与按ASTM-E140表1的硬度转换值一致,由相应的SAE-ASM-ASTM 联合会列出的。 b)括号里的数值是超出范围的,只是提供参考。2100433B