| 申请日期 | 2026-04-26 | 申请号 | RU2008101047 |
| 公开（公告）号 | RU2356985C1 | 公开（公告）日 | 2009-05-27 |
| 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 relates to ferrous metallurgy field, particularly to compound of gray cast iron. Cast iron contains components in a following ratio, wt % : carbon 3.0-3.5; silicon 3.0-3.5; manganese 0.2-0.4; chrome 0.2-0.4; copper 0.7-0.9; rare-earth metals 0.05-0.09; calcium 0.003-0.005; boron 0.09-0.15; strontium 0.001-0.002; selenium 0.0001-0.0002; iron - the rest.EFFECT : improvement of casting of gray cast iron.1 tbl | ||
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