Твердость по Виккерсу |
Твердость по Бринеллю |
Твердость по Роквеллу |
Поверхностная твердость по Роквеллу |
HV |
HBS |
HRB |
HRC |
HR 15-T |
HR 30-T |
HR 45-T |
513 |
479 |
|
50,0 |
|
|
|
481 |
450 |
|
48,0 |
|
|
|
452 |
425 |
|
46,0 |
|
|
|
427 |
403 |
|
44,0 |
|
|
|
404 |
382 |
|
42,0 |
|
|
|
382 |
363 |
|
40,0 |
|
|
|
362 |
346 |
|
38,0 |
|
|
|
344 |
329 |
|
36,0 |
|
|
|
326 |
313 |
|
34,0 |
|
|
|
309 |
298 |
106 |
32,0 |
94,5 |
85,5 |
77,0 |
285 |
275 |
104 |
28,5 |
94,0 |
84,5 |
75,0 |
266 |
258 |
102 |
25,5 |
93,0 |
83,0 |
73,0 |
248 |
241 |
100 |
22,5 |
92,5 |
81,5 |
71,0 |
234 |
228 |
98 |
20,0 |
92,0 |
80,5 |
69,0 |
220 |
215 |
96 |
17,0 |
91,0 |
79,0 |
67,0 |
209 |
204 |
94 |
14,5 |
90,5 |
77,5 |
65,0 |
198 |
194 |
92 |
12,0 |
89,5 |
76,0 |
63,0 |
188 |
184 |
90 |
9,0 |
89,0 |
75,0 |
61,0 |
179 |
176 |
88 |
6,5 |
88,0 |
73,5 |
59,5 |
171 |
168 |
86 |
4,0 |
87,5 |
72,0 |
57,5 |
164 |
161 |
84 |
2,0 |
87,0 |
70,5 |
55,5 |
157 |
155 |
82 |
|
86,0 |
69,5 |
53,5 |
151 |
149 |
80 |
|
85,5 |
68,0 |
51,5 |
145 |
144 |
78 |
|
84,5 |
66,5 |
49,5 |
140 |
139 |
76 |
|
84,0 |
65,5 |
47,5 |
135 |
134 |
74 |
|
83,0 |
64,0 |
45,5 |
130 |
129 |
72 |
|
82,5 |
62,5 |
43,5 |
126 |
125 |
70 |
|
82,0 |
61,0 |
41,5 |
122 |
121 |
68 |
|
81,0 |
60,0 |
39,5 |
119 |
118 |
66 |
|
80,5 |
58,5 |
37,5 |
115 |
114 |
64 |
|
79,5 |
57,0 |
35,5 |
112 |
111 |
62 |
|
79,0 |
56,0 |
33,5 |
108 |
108 |
60 |
|
78,5 |
54,5 |
31,5 |
106 |
106 |
58 |
|
77,5 |
53,0 |
29,5 |
103 |
103 |
56 |
|
77,0 |
51,5 |
27,5 |
100 |
100 |
54 |
|
76,0 |
50,5 |
25,5 |
98 |
98 |
52 |
|
75,5 |
49,0 |
23,5 |
95 |
95 |
50 |
|
74,5 |
47,5 |
21,5 |
|