| 申请日期 | 2026-04-22 | 申请号 | RU2006144159 |
| 公开（公告）号 | RU2332489C1 | 公开（公告）日 | 2008-08-27 |
| 公开国别 | RU | 申请人省市代码 | 全国 |
| 申请人 | Shchepochkina Julija Alekseevna | ||
| 简介 | FIELD : metallurgy.SUBSTANCE : invention refers to metallurgy, particularly to compositions of iron. Iron contains components at the following ratio, mass % : carbon 3.0-3.5; silicon 2.0-2.5; manganese 0.5-1.0; chromium 0.3-0.5; copper 0.3-0.7; rare earth metals REM 0.03-0.07; calcium 0.003-0.007; boron 0.05-0.1; zirconium 0.1-0.2; magnesium 0.005-0.01; antimony 0.03-0.05, the rest being iron.EFFECT : upgraded quality of grey cast iron ingots.1 tbl | ||
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