Cored wire for treating molten metal
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United States of America Patent
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Feb 12, 2002
Grant Date -
N/A
app pub date -
Dec 10, 1998
filing date -
Dec 10, 1998
priority date (Note) -
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Abstract
A cored wire consisting of an inner calcium wire surrounded by an aluminum sheath forming a composite core which in turn is encased in a steel jacket. The cored wire is formed continuously by covering an extruded calcium wire with aluminum then inserting the aluminum covered calcium wire into a steel jacket in a roll forming process. Also disclosed is a method of reducing splashing when introducing calcium metal into a molten ferrous metal bath.
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