FIELD: metallurgy.
SUBSTANCE: invention relates to metallurgy field, particularly to cast iron composition. Cast iron contains components in a following ratio, wt %: carbon 2.7-3.1; silicon 2.3-2.7; manganese 0.4-0.6; chrome 0.3-0.5; copper 0.9-1.3; magnesium 0.003-0.007; rare-earth metals 0.003-0.007; niobium 0.03-0.07; nickel 1.1-1.7; boron 0.003-0.007; iron - the rest.
EFFECT: reduction of gaseous and slag blowhole in cast iron.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| IRON | 2006 |
|
RU2332489C1 |
| CAST IRON | 2006 |
|
RU2318906C1 |
| GRAY CAST IRON | 2008 |
|
RU2356985C1 |
| CAST IRON | 2008 |
|
RU2384640C1 |
| IRON | 2010 |
|
RU2422548C1 |
| CAST IRON | 2006 |
|
RU2307188C1 |
| IRON | 2006 |
|
RU2327786C1 |
| WEAR RESISTANT IRON | 2006 |
|
RU2327784C1 |
| CAST IRON | 2014 |
|
RU2557197C1 |
| IRON | 2007 |
|
RU2334811C1 |
