FIELD: metallurgy.
SUBSTANCE: invention refers to metallurgy, particularly to composition of iron. Iron contains components at the following ratio, wt %: carbon 2.9-3.2; silicon 2.4-2.8; manganese 0.6-1.0; phosphorus 0.04-0.06; sulphur 0.01-0.03; boron 0.1-0.14; copper 1.4-1.6; chromium 0.3-0.5; tungsten and/or hafnium 0.2-0.3; cobalt 0.15-0.23; iron - the rest.
EFFECT: upgraded strength of iron.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| CAST IRON | 2009 |
|
RU2371507C1 |
| CAST IRON | 2014 |
|
RU2557436C1 |
| CAST IRON | 2007 |
|
RU2345159C1 |
| LOW-ALLOY CAST IRON | 2011 |
|
RU2460818C1 |
| LOW-ALLOYED CAST IRON | 2011 |
|
RU2450072C1 |
| LOW-ALLOY CAST IRON | 2011 |
|
RU2448188C1 |
| CAST IRON | 2008 |
|
RU2375488C1 |
| CAST IRON | 2012 |
|
RU2500830C1 |
| LOW-ALLOYED CAST IRON | 2011 |
|
RU2450073C1 |
| LOW-ALLOY CAST IRON | 2011 |
|
RU2448189C1 |
