4.1
. , . (), . , .
40 8479-70. : (), , .
, , - , , ; .
. , . . .
.
: , , , .
258 ,
94 .
40 8479-70,
. |
. |
150205.65.2310.02 |
4.1 - 40
% | Si% | Mn% | S% | P% | Cr% | Ni% | Cu% |
0,36-0,44 | 0,17-0,37 | 0,50-0,80 | 0,035 | 0,035 | 0,8-1,1 | 0,3 | 0,3 |
4.2 - 40
Ϭ0,2, | Ϭ, | δ, % | ψ, % | KCU, /2 | HB | ||||
t, oC | , t, | ||||||||
40, , %,
=+Mn/6+Cr/5+Ni/15+Cu/13+P/2, (4.1)
=0,4+0,60/6+0,9/5+0,030/15+0,30/13+0,035/2=0,71.
0,71%.
=0,71 %, .
40 , , .
|
|
, 40 8479-70.
.
- 1620. 1 ( 3.3) 2.5 - DMC DM 42V.
. .
.
: , , . . . .
(.) .
4.3
, | , ., | ||
1,0 | 10 | .10 2 000 | . 2 000 100 000 |
. 1,0 2,5 | " 10 " 1 000 | " 1 000 " 50 000 | |
" 2,5 " 5,0 | " 10 " 500 | " 500 " 35 000 | |
" 5,0 " 10,0 | " 10 " 300 | " 300 " 25 000 | |
10 | " 10 " 200 | " 200 " 10 000 |
16,6 200 . 4.3 .