| 申请日期 | 2025-11-26 | 申请号 | US14349727 |
| 公开（公告）号 | US9556498B2 | 公开（公告）日 | 2017-01-31 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | AKEBONO BRAKE INDUSTRY CO LTD | ||
| 简介 | A method for producing spheroidal graphite cast iron having a specific final composition includes : subjecting a molten iron to a spheroidization treatment using a spheroidizing agent of an Fe—Si—Mg—Ca-based alloy containing no rare earth element; conducting an inoculation treatment using a first Fe—Si-based inoculant; and conducting a pouring inoculation treatment with a given amount of a second Fe—Si-based inoculant containing 45-75% of Si, 1-3% of Ca, and 15 ppm or less of Ba. | ||
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