| 申请日期 | 2025-06-26 | 申请号 | RU2006107743 |
| 公开（公告）号 | RU2318045C2 | 公开（公告）日 | 2008-02-27 |
| 公开国别 | RU | 申请人省市代码 | 全国 |
| 申请人 | SHCHEPOCHKINA JULIJA ALEKSEEVNA | ||
| 简介 | FIELD : ferrous metallurgy; composition of cast irons; manufacture of pipes, gate valves, shells, hatch covers, grates.SUBSTANCE : proposed cast iron contains the following constituents, mass-% : carbon, 3.2-3.6; silicon, 3.5-4.5; manganese, 3.5-4.5; chromium, 1.5-2.5; copper, 0.5-1.0; barium, 0.003-0.008; rare-earth metals, 0.05-0.1; antimony, 0.004-0.008; niobium, 1.0-2.0; nitrogen, 0.1-0.15; nickel, 3.5-4.5; the remainder being iron.EFFECT : enhanced hardness of cast iron.1 tbl | ||
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