Oil tempered steel wire excellent in coiling workability and method for production thereof
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United States of America Patent
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Issued Date -
Apr 27, 2006
app pub date -
Dec 26, 2003
filing date -
Jan 31, 2003
priority date (Note) -
Abandoned
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Abstract
An oil tempered wire, characterized in that it comprises a wire material and, formed on the surface thereof, a coating film comprising one or more inorganic salts selected from the group consisting of a sulfate, a silicate and a borate. The coating film optionally further comprises fats and oils and/or a soap exhibiting lubricity. The oil tempered wire has a coating film exhibiting satisfactory heat resistance and good lubricity and thus can secure good coiling workability even in the case of a high strength wire or a wire having a heteromorphic section.
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