FIELD: metallurgy.
SUBSTANCE: invention refers to metallurgy, particularly to compositions of iron. Iron contains components at the following ratio, mass %: carbon 2.8-3.2; silicon 0.2-0.4; manganese 0.8-1.2; aluminium 2.0-2.5; antimony 0.005-0.01; copper 0.2-0.4; chromium 0.4-0.8; boron 0.04-0.08; yttrium 0.1-0.2, the rest being iron.
EFFECT: upgraded thermo resistance of iron.
1 tbl
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|
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| CAST IRON | 2007 |
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| CAST IRON | 2008 |
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| CAST IRON | 2007 |
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