| 摘要 |
<p>The present invention relates to a steel wire including excellent torsional properties and a manufacturing method thereof. The present invention provides the steel wire including the excellent torsional properties while maintaining tensile strength by controlling heat treatment before LP heat treatment and reducing fluxes or by maintaining processes such as a process for changing a reduction rate. [Reference numerals] (AA) Temperature; (BB,DD) Perlite; (CC,EE) Ferrite; (FF) Time</p> |
