Patent ID: 8470105

Claim:
A process for manufacturing a high carbon steel wire material having excellent wire drawability, the process comprising heating at 730 to 1,050° C. a steel comprising 0.6 to 1.1% by mass of C, 0.1 to 2.0% by mass of Si, 0.1 to 1.0% by mass of Mn, 0.020% or less by mass of P, 0.020% or less by mass of S, 0.006% or less by mass of N, 0.03% or less by mass of Al and 0.0030% or less by mass of O, the balance being Fe and unavoidable impurities; then cooling the steel to a temperature T 1 in a range of from 470 to 640° C. at an average cooling rate of 15° C./sec or more; and then heating the steel to a temperature T 2 in a range of from 550 to 720° C. at an average temperature elevation rate of 3° C./sec or more, where T 2 is higher than T 1 , wherein TS as the tensile strength of the steel wire material and Wc as the C concentration in the steel wire material satisfy the following relation (1): TS≦ 1240× Wc 0.52 (1).