: 5 05
155;155;205;205;208˻
:
1476
.
: ..
2017.
1. ,
,
, .
2. .
3. .
.
14,14 .5 .
. . -30,182,142,152,122, 03 (W03) 03-495-03.
2600184 , , .
:
- ;
- ( , , , );
- . .. ;
- ;
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- ( , , ..
. , . . , , (, , .). , ( , , ). , , , .. .
- , . HCS= C(S+P + Si/25 + Ni/100)-103
|
|
n + r + + V
HCS < 4, .
, HCS 1,6...2.
- , .
=+Mn/6+Cr/5+V/5+Mo/5+Ni/15+Cu/15
( );
= + Mn/6 + Si/24 + Ni/10 + Cr/5 + Mo/4 + Cu/15 + V/14 + 5B
( );
=0,4-0,45 .
HVmax= 90+1050C+47Si+75Mn+30Ni+31Cr
| - , [] | |
T | - ( ), [] | |
5 | - , [ % ] | |
| - , [ % ] | |
KCU | - , [ / 2] | |
HB | - |
5 05(155;155;205;205;208) 4 10%
. , , , , :
- | , | |
(Cr) | 1. Fe . 2. . 3. . 4. . 5. , . 6. . | |
() | 1. . 2. . 3. . 4. . 5. . | |
(W) | 1. . 2. . 3. 4. . 5. . | |
(V) | 1. . 2. . 3. 4. . 5. . | |
() | 1. , . 2. . |
, , , .
, , ,
, . 0,15 , 11 17 , , , ,
|
|
155 20072-74
: 155( 5)
:
: , , ,
, : 600
: - , 10000 .
, : 650
: - : 200-300 . , .
% 155
C | Si | Mn | Ni | S | P | Cr | Mo | W | V | Ti | Cu |
0.15 | 0.5 | 0.5 | 0.6 | 0.025 | 0.03 | 4.5 6 | 0.45 - 0.6 | 0.3 | 0.05 | 0.03 | 0.2 |
, , | * | 𝛔, | 𝛔, | 𝛅s, % | 𝛙% | KCU, /2 | ||
, 0 | 0 | |||||||
155 | 880 - 860 | - |
- HCS= C(S+P + Si/25 + Ni/100)-103 =
n + r + + V
0.15(0.025+0.03+0.5/25+0.6/100)-1000/3*0.5+5+0.5+0.5=5.7%>4- .
-
=+Mn/6+Cr/5+V/5+Mo/5+Ni/15+Cu/15=0.15+0.5/6+5/5+0.5/5+0.6/15+0.2/15=