FIELD: metallurgy, iron and steel industry.
SUBSTANCE: invention refers to metallurgy, particularly to compositions of iron. Iron contains elements at a following ratio, mas.%: carbon 2.7-3.3; silicon 2.0-2.5; manganese 0.8-1.2; chromium 0.3-0.5; copper 0.2-0.4; magnesium 0.005-0.01; REM (rare earth metals) 0.1-0.2; zirconium 0.5-1.0; iron - the rest.
EFFECT: reducing formation of gaseous and slag cavities in iron structure.
1 tbl
| Title | Year | Author | Number |
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| CAST IRON | 2008 |
|
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| IRON | 2010 |
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| CAST IRON | 2007 |
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| GRAY CAST IRON | 2008 |
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RU2356985C1 |
| CAST IRON | 2006 |
|
RU2306352C1 |
| CAST IRON | 2008 |
|
RU2367706C1 |
