JP2006289431A5 - - Google Patents
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- JP2006289431A5 JP2006289431A5 JP2005113299A JP2005113299A JP2006289431A5 JP 2006289431 A5 JP2006289431 A5 JP 2006289431A5 JP 2005113299 A JP2005113299 A JP 2005113299A JP 2005113299 A JP2005113299 A JP 2005113299A JP 2006289431 A5 JP2006289431 A5 JP 2006289431A5
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- molten alloy
- alloy
- molten
- melting point
- slag
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Description
本発明において、スラグとして融点５００〜１４００℃の低融点スラグを使用する。
また、本発明は、Ｆｅを主成分として、Ｆｅ以外の金属元素を５質量％以上含有するか、あるいはＣを０．１〜３．０質量％含有する合金溶湯に適用することが好ましい。
In the present invention, a low melting point slag having a melting point of 500 to 1400 ° C. is used as the slag .
The present invention is preferably applied to a molten alloy containing Fe as a main component and containing 5% by mass or more of a metal element other than Fe, or containing 0.1 to 3.0% by mass of C.
スラグを加熱することで、表層異常組織の生成を抑制することができ、融点の高いスラグの有害性を緩和することができる。過度に高温までスラグを加熱すると、スラグから溶湯への熱移動がおこるため、冷却速度が遅くなる。スラグ温度としては鋳込み温度以下が好ましい。
なお、スラグとして融点５００℃以下のものは、現実的ではなく、５００〜１４００℃の低融点スラグを使用する。
このようなスラグの効果を得るためには、スラグ層の厚さは２０ｍｍ以上が好ましく、最適な厚さ範囲は２０ｍｍ〜１００ｍｍである。
By heating the slag, it is possible to suppress the formation of a surface abnormal structure and to mitigate the harmfulness of the slag having a high melting point. If the slag is heated to an excessively high temperature, heat transfer from the slag to the molten metal occurs, so that the cooling rate becomes slow. The slag temperature is preferably below the casting temperature.
The melting point 500 ° C. The following things as slag, impractical, to use a low melting point slag 5 from 00 to 1,400 ° C..
In order to obtain such a slag effect, the thickness of the slag layer is preferably 20 mm or more, and the optimum thickness range is 20 mm to 100 mm.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005113299A JP4505811B2 (en) | 2005-04-11 | 2005-04-11 | Casting method for molten alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005113299A JP4505811B2 (en) | 2005-04-11 | 2005-04-11 | Casting method for molten alloy |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006289431A JP2006289431A (en) | 2006-10-26 |
| JP2006289431A5 true JP2006289431A5 (en) | 2008-02-07 |
| JP4505811B2 JP4505811B2 (en) | 2010-07-21 |
Family
ID=37410589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005113299A Active JP4505811B2 (en) | 2005-04-11 | 2005-04-11 | Casting method for molten alloy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4505811B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1870182B1 (en) * | 2005-04-11 | 2016-10-19 | Hitachi Metals, Ltd. | Process for the casting of molten alloy |
| JP4618555B2 (en) * | 2005-06-22 | 2011-01-26 | 日立金属株式会社 | Method and apparatus for controlling molten metal level in continuous casting |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5468724A (en) * | 1977-11-11 | 1979-06-02 | Hitachi Ltd | Electroslag casting apparatus |
| JPS57194772U (en) * | 1981-06-05 | 1982-12-10 | ||
| JPS58224043A (en) * | 1982-06-24 | 1983-12-26 | Mitsubishi Heavy Ind Ltd | Continuous casting method of thin metallic sheet |
| JPH03258446A (en) * | 1990-03-08 | 1991-11-18 | Hitachi Metals Ltd | Production of clean steel |
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2005
- 2005-04-11 JP JP2005113299A patent/JP4505811B2/en active Active
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