Title:
ビスマス及び希土類元素を含む接種剤
Document Type and Number:
Japanese Patent JP2007506000
Kind Code:
A
Abstract:
Inoculating mixture for the treatment of molten iron is made up of 5 to 75 % of an A type ferrosilicon alloy and 25 to 95 % of a type B silicon or ferrosilicon alloy. The type A alloy has a Si/Fe ratio of greater than 2 and contains 0.005 to 3 % of rare earth metal, 0.005 to 3 % of bismuth, lead and/or antimony and at least 3% of calcium, with a (Bi+Pb+Sb)/TR ratio of between 0.9 and 2.2. The type B alloy has a Si/Fe ratio of greater than 2 and contains a calcium content such that the total calcium content of the mixture may be between 0.3 and 3 %.
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Inventors:
Margaria, Thomas
Siklari, Loran
Siklari, Loran
Application Number:
JP2006530348A
Publication Date:
March 15, 2007
Filing Date:
May 13, 2004
Export Citation:
Assignee:
Psiney electromuta rouge
International Classes:
C21C1/10; B22D27/20; C22C28/00; C22C37/04
Domestic Patent References:
| JPH0280505A | 1990-03-20 | |||
| JPS5943843A | 1984-03-12 | |||
| JPH0247213A | 1990-02-16 | |||
| JPS5735607A | 1982-02-26 |
Attorney, Agent or Firm:
Takehiko Suzue
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Ryo Hashimoto
Tetsuya Kazama
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Ryo Hashimoto
Tetsuya Kazama