发明名称 |
Método de produção de chapa grossa fundida de ultrabaixo carbono |
摘要 |
<p>A method of production of an ultralow carbon cast slab characterized by adding Ti to molten steel decarburized to a carbon concentration of 0.01 mass% or less, further adding at least one of Ce, La, and Nd, and using an immersion nozzle to inject the above molten steel from a tundish to a casting mold for continuous casting while maintaining a flow rate of Ar gas blown from any location in a range from a tundish upper nozzle to discharge ports of said immersion nozzle at 3N1 (normal liter)/min or less.</p> |
申请公布号 |
BRPI0617841(B1) |
申请公布日期 |
2015.06.02 |
申请号 |
BR2006PI17841 |
申请日期 |
2006.10.27 |
申请人 |
NIPPON STEEL & SUMITOMO METAL CORPORATION |
发明人 |
MASAFUMI MIYAZAKI;AKIHIRO MATSUZAWA;KATSUHIRO SASAI;WATARU OHASHI;YASUHIKO OHTANI;KATSUNORI YAMADA;MASAHIRO DOKI;GO HIRATA;YOSHIAKI KIMURA;HAJIME HASEGAWA |
分类号 |
B22D11/00;B22D11/10;C21C7/04 |
主分类号 |
B22D11/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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