A low alloy and corrosion resistant steel for a vehicle having improved corrosion resistance in a corrosive environment, and manufacturing methods thereof

摘要

A low alloy and corrosion resistant steel for a vehicle may include from about 0.001% to about 0.1% by weight of C, from about 0.01% to about 0.5% by weight. from Si, in about 0.1% to about 0.6% by weight of Mn, greater than 0% by weight and in about 0.18% by weight or less of P, greater than zero Wt .-% and less than 0.02 wt .-% of S, in about 0.001 wt .-% to about 0.03 wt .-% of Nb, more than 0 wt .-% and in about 0.03 Wt% or less of Cr, in about 0.05 wt% to about 0.3 wt% of Cu, in about 0.05 wt% to about 0.2 wt% Ni and more than 0 wt%, and about 0.2 wt% or less of a combined weight of Sn and Sb, and the remainder being iron and unavoidable impurities.