硬度换算表2 硬度对照表。
硬度换算表2提供锻造、退火、正火及淬火回火状态下材质均匀的非奥氏体钢(包括碳钢、合金钢和工具钢)洛氏HRB硬度范围内布氏硬度、维氏硬度、洛氏硬度、表面洛氏硬度、努氏硬度和肖氏硬度之间关系的硬度对照表。
洛氏硬度
|
洛氏硬度
|
洛氏硬度
|
表面洛氏
|
表面洛氏
|
表面洛氏
|
维氏硬度
|
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
|