发明名称 |
METHOD FOR MANUFACTURE OF ULTRA-LOW CARBON STEEL SLAB |
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 |
EP1952913(A1) |
申请公布日期 |
2008.08.06 |
申请号 |
EP20060822966 |
申请日期 |
2006.10.27 |
申请人 |
NIPPON STEEL CORPORATION |
发明人 |
MIYAZAKI, MASAFUMI;MATSUZAWA, AKIHIRO;SASAI, KATSUHIRO;OHASHI, WATARU;OHTANI, YASUHIKO;YAMADA, KATSUNORI;DOKI, MASAHIRO;HIRATA, GO;KIMURA, YOSHIAKI;HASEGAWA, HAJIME |
分类号 |
B22D11/00;B22D11/10;B22D11/117;C21C7/04 |
主分类号 |
B22D11/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|