Non-quenched and tempered wire rod having excellent drawability and impact toughness and method of manufacturing the same

摘要

In the present specification, a non-tempered wire rod having excellent drawability and impact toughness suitable for use as a material for automobiles or mechanical parts, and a manufacturing method thereof are disclosed. According to an embodiment of the disclosed non-tempered wire rod, C: 0.05 to 0.35% by weight, Si: 0.05 to 0.5%, Mn: 0.5 to 2.0%, Cr: 1.0% or less, P: 0.03% or less, S: 0.03% or less, sol.Al: 0.01 to 0.07%, N: 0.01% or less, Nb: 0.1% or less, V: 0.5% or less, and Ti: 0.1% or less, the balance of Fe and It contains inevitable impurities and includes a ferrite-pearlite layered structure in the rolling direction in a microstructure.