This is a report issued in 1965 from the American Society for Testing and Materials regarding the corrosion of iron and steel. Subjects covered are as follows: Specifications for zinc-coated (galvanized) steel barbed wire; Specification for zinc (hot galvanized coatings on products fabricated from rolled, pressed, and forged steel shapes, plates, bars, and strip; Specifications for zinc coating (hot-dip) on iron and steel hardware; Specification for zinc coating (hot-dip) on assembled steel products; and, Recommended practice for safeguarding against embrittlement of hot galvanized structural steel products and procedure for detecting embrittlement.