| 申请日期 | 2025-07-12 | 申请号 | RU2007143931 |
| 公开（公告）号 | RU2355804C1 | 公开（公告）日 | 2009-05-20 |
| 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 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 | ||
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