1.4.2碳钢硬度与强度换算值
分类：五金3502字
表1-39 碳钢硬度与强度换算值
硬 度抗拉强度σ
b
(MPa)洛氏表面洛氏维氏布氏HRBHR15THR30THR45THVHBSF/D2=10F/D2=3060.0
60.5
61.0
61.5
62.080.4
80.5
80.7
80.8
80.956.1
56.4
56.7
57.1
57.430.4
30.9
31.4
31.9
32.4105
105
106
107
108102
102
103
103
104 375
377
379
381
38262.5
63.0
63.5
64.0
64.581.1
81.2
81.4
81.5
81.657.7
58.0
58.3
58.7
59.032.9
33.5
34.0
34.5
35.0108
109
110
110
111104
105
105
106
106 384
386
388
390
39365.0
65.5
66.0
66.5
67.081.8
81.9
82.1
82.2
82.359.3
59.6
59.9
60.3
60.635.5
36.1
36.6
37.1
37.6112
113
114
115
115107
107
108
108
109 395
397
399
402
40467.5
68.0
68.5
69.0
69.582.5
82.6
82.7
82.9
83.060.9
61.2
61.5
61.9
62.238.1
38.6
39.2
39.7
40.2116
117
118
119
120110
110
111
112
112 407
409
412
415
41870.0
70.5
71.0
71.5
72.083.2
83.3
83.4
83.6
83.762.5
62.8
63.1
63.5
63.840.7
41.2
41.7
42.3
42.8121
122
123
124
125113
114
115
115
116 421
424
427
430
43372.5
73.0
73.5
74.0
74.583.9
84.0[阅读本文]>>
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