3,0 | 44,0 | 37,0 | 45,5 | 35,5 | 50,5 | 45,0 | 51,5 | 44,0 | 49,0 | 42,5 | 50,0 | 41,5 | 51,0 | 47,5 | 52,0 | 46,5
| | | | | | | | | | | | | | | |
4,5 | 43,5 | 36,5 | 45,0 | 35,0 | 50,0 | 44,5 | 51,0 | 43,5 | 48,0 | 41,0 | 49,0 | 40,0 | 50,0 | 46,0 | 51,0 | 44,5
| | | | | | | | | | | | | | | |
6,0 | 43,0 | 33,5 | 44,5 | 33,5 | 50,0 | 44,5 | 51,0 | 43,5 | 47,0 | 39,0 | 48,0 | 38,0 | 48,5 | 43,5 | 49,5 | 42,0
| | | | | | | | | | | | | | | |
7,5 | 42,5 | 33,5 | 44,0 | 32,0 | 49,0 | 43,5 | 50,5 | 42,5 | 46,0 | 37,5 | 47,5 | 36,0 | 47,0 | 40,0 | 48,0 | 39,0
| | | | | | | | | | | | | | | |
9,0 | 41,0 | 32,0 | 43,0 | 30,0 | 48,5 | 43,5 | 50,0 | 42,0 | 45,0 | 36,5 | 46,5 | 35,0 | 45,0 | 37,0 | 46,5 | 35,5
| | | | | | | | | | | | | | | |
10,5 | 40,0 | 30,0 | 42,5 | 27,5 | 48,0 | 43,0 | 49,5 | 41,5 | 44,0 | 35,5 | 45,5 | 34,0 | 43,5 | 34,5 | 45,0 | 33,5
| | | | | | | | | | | | | | | |
12,0 | 39,0 | 27,5 | 41,5 | 25,0 | 47,5 | 41,5 | 49,0 | 40,0 | 43,0 | 34,5 | 45,0 | 33,0 | 41,5 | 33,0 | 43,0 | 31,5
| | | | | | | | | | | | | | | |
13,5 | 37,5 | 25,5 | 40,0 | 23,0 | 47,0 | 40,0 | 48,5 | 38,5 | 42,5 | 33,5 | 44,0 | 32,0 | 39,0 | 31,5 | 40,5 | 30,0
| | | | | | | | | | | | | | | |
15,0 | 37,0 | 24,0 | 39,0 | 22,0 | 46,5 | 39,0 | 48,0 | 37,5 | 42,0 | 33,0 | 43,0 | 30,5 | 36,5 | 29,5 | 38,0 | 28,0
| | | | | | | | | | | | | | | |
16,5 | 35,0 | - | 37,0 | - | 46,0 | 36,5 | 47,5 | 35,0 | 41,0 | 31,5 | 42,5 | 29,5 | 35,5 | 28,5 | 37,0 | 27,0
| | | | | | | | | | | | | | | |
18,0 | 34,0 | - | 36,5 | - | 45,0 | 35,5 | 46,5 | 33,0 | 40,5 | 31,0 | 42,0 | 28,5 | 34,5 | 27,5 | 36,0 | 26,0
| | | | | | | | | | | | | | | |
19,5 | 33,0 | - | 34,0 | - | 44,0 | 34,0 | 46,0 | 32,0 | 39,5 | 30,0 | 41,0 | 27,5 | 33,5 | 26,5 | 35,0 | 25,0
| | | | | | | | | | | | | | | |
21,0 | 31,5 | - | 33,0 | - | 43,0 | 32,0 | 44,5 | 30,0 | 38,5 | 29,0 | 40,5 | 26,5 | 32,5 | 25,5 | 34,0 | 24,5
| | | | | | | | | | | | | | | |
24,0 | 29,5 | - | 31,0 | - | 41,5 | 29,0 | 42,5 | 27,0 | 37,5 | 27,0 | 39,5 | 25,0 | 31,0 | 24,0 | 32,5 | 22,0
| | | | | | | | | | | | | | | |
27,0 | 28,0 | - | 29,5 | - | 40,0 | 26,5 | 41,0 | 25,0 | 36,5 | 26,0 | 38,5 | 24,5 | 30,0 | 22,0 | 32,0 | 20,5
| | | | | | | | | | | | | | | |
30,0 | 26,5 | - | 28,5 | - | 38,0 | 24,0 | 39,0 | 23,0 | 35,5 | 25,0 | 37,5 | 23,5 | 29,0 | - | 31,0 | -
| | | | | | | | | | | | | | | |
33,0 | 25,5 | - | 27,5 | - | 36,0 | 22,5 | 37,5 | 21,5 | 34,5 | 24,0 | 36,0 | 22,5 | 28,0 | - | 30,0 | -
| | | | | | | | | | | | | | | |
36,0 | 25,0 | - | 27,0 | - | 34,0 | 21,5 | 35,0 | 20,0 | 33,5 | 22,5 | 35,0 | 21,0 | - | - | - | -
| | | | | | | | | | | | | | | |
Продолжение
--------+------------------------------------------------------------------------------------------------------------------------------
Рассто-| Твердость для полос прокаливаемости, HRC
яние от+--------------------+--------------------+--------------------+--------------------+--------------------+---------------------
торца, | суженной | марочной | суженной | марочной | суженной | марочной
мм | | | | | |
+----------+---------+----------+---------+----------+---------+----------+---------+---------+----------+---------+-----------
| Макс | Мин | Макс | Мин | Макс | Мин | Макс | Мин | Макс | Мин | Макс | Мин.
+----------+---------+----------+---------+----------+---------+----------+---------+---------+----------+---------+-----------
| Стали марок
+-----------------------------------------+-----------------------------------------+------------------------------------------
| 38ХС | 40ХФА | 12ХН3А
--------+----------+---------+----------+---------+----------+---------+----------+---------+---------+----------+---------+-----------
1,5 | 55 | 48 | 56 | 46,5 | 58 | 51,5 | 59,5 | 50 | 41 | 38 | 41,5 | 37