申请日期 | 2025-07-12 | 申请号 | RU2008147862 |
公开(公告)号 | RU2384640C1 | 公开(公告)日 | 2010-03-20 |
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 4.0-4.3; manganese 0.4-0.6; chrome 0.3-0.5; copper 1.2-1.4; magnesium 0.001-0.002; rare-earth metals 0.3-0.4; zirconium 0.01-0.02; rhenium 0.01-0.02; sodium 0.0001-0.0002; iron - the rest.EFFECT : utilisation of the invention reduces formation of gaseous and slag cavities in cast iron.1 tbl |
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