: 1 , ×; n 1 , 1; u ; ; Lh (), .
, . , .
, /2/.
. , , , (. 10).
(..):
I .. , 235...262 ; .. , 269...302 . : 45, 40, 40, 35 . , . - .
.
II ., , 269...302 ; .. , (.. 00) 45...50 RC, 48...53RC. . : 40, 40, 35 .
III .. , : 45...50 RC, 48... 53 RC.
IV : 40, 40, 35 .
V .. , (. . 8) 45...50 RC, 48...53 RC; .. , , 56...63 RC.
20, 202, 18, 12 .
VI .. , , 56...63 RC. (
) . : 20, 202, 18, 12, 25 .
10
, | , | |||||
235...262 269...302 | 235...262 269...302 | |||||
40 | 235...262 269...302 269...302 | 235...262 269...302 45...50 HRC | ||||
40 35 | 315 200 | 200 125 | 235...262 269...302 269...302 | 235...262 269...302 48...53 HRC | ||
40 382 | 269...302 | 50...56 HRC | ||||
20 202 18 12 | , | 300...400 | 56...63 HRC |
|
|
( 56...63 RC, 25, ) ( 58...67 RC, 382, 40).
- ().
, . - . . , [ ] H [ ] H , , .
. 11 12.
11
- | , | ||
, | < 350 | 2 + 70 | |
, | 40...56 HRC | 17 HRCcp + 200 | |
, | > 56 HRC | 23 HRCcp | |
> 52 HRC |
( ).
:
.
12
- | , | |||
45, 40, 40, 35 | < 350 | < 350 | 1,75 | |
40, 40, 35 | 48...52 HRC | 27...35 HRC | 600700 | |
(m < 3 ) | 48...52 HRC | 48...52 HRC | 500600 | |
20, 123 | 57...62HRC | 30...45 HRC | 750800 |