Atmospheric corrosion resistant notch ductile high tensile strength steel

摘要

A corrosion resistant, notch ductile, high tensile strength steel contains: .C.0-0.2% .Si.0.01-1.0% .Mn.0.2-2.0% .P.0-0.1% .Cu.0.2-0.6% .Cr.0-1.0% .Ti.0.027-less than 0.4% .Nb.0.05-0.5% the balance, apart from impurities, being iron