STEEL AND PROCESS FOR THE MANUFACTURE OF STEEL COMPONENT FORMED BY COLD PLASTIC DEFORMATION

摘要

PROBLEM TO BE SOLVED: To provide a steel and a process for the manufacture of a steel component formed by cold plastic deformation.;SOLUTION: The steel for the manufacture of a steel component formed by cold plastic deformation, the chemical composition of which comprises, by weight: 0.03%≤C≤0.16%, 0.05%≤Si≤0.5%, 0%≤Cr≤1.8%, 0%≤Mo≤0.25%, 0.001%≤Al≤0.05%, 0.001%≤Ti≤0.05%, 0%≤V≤0.15%, 0.0005%≤B≤0.005%, 0.004%≤N≤0.012% and 0.001%≤S≤0.09%, the balance being iron and inevitable impurities, the chemical composition of the steel furthermore satisfying the relationships: Mn+0.9×Cr+1.3×Mo+1.6×V≥2.2% and Al+Ti≥3.5×N.;COPYRIGHT: (C)2008,JPO&INPIT