WIRE ROD AND METHOD FOR MANUFACTURING SAME

摘要

A wire rod that has a definite composition of components with the balance consisting of Fe and impurities, wherein the average particle diameter of pearlite blocks in a cross-section perpendicular to the axial direction of the wire rod is not more than 23 μm, and the number density of the pearlite blocks having the aforesaid average particle diameter of 40 μm or more in the cross-section perpendicular to the axial direction of the wire rod is 0-20 blocks/mm2.