Method for producing oil temper wires
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United States of America Patent
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Issued Date -
Dec 9, 2004
app pub date -
Mar 18, 2004
filing date -
Jul 22, 2002
priority date (Note) -
Abandoned
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Abstract
The method comprises the steps of: applying an isothermal transformation heat treatment to a wire material having a nonmetallic inclusion controlled; applying a lubrication film after acid washing; carrying out scalping after which softening a work hardened layer produced on a surface layer at the time of scalping by annealing and carrying out wire drawing, and then carrying out an oil temper treatment.
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