WELD LIGHTWEIGHT H-SHAPED STEEL AND MANUFACTURING METHOD THEREOF

摘要

PROBLEM TO BE SOLVED: To obtain a weld lightweight H-shaped steel excellent in corrosion resistance (sacrificial corrosion resistance).SOLUTION: In a weld lightweight H-shaped steel, which is a lightweight H-shaped steel in which a web and a flange are formed by welding continuously a galvanized steel strip, a weld zone of the web and the flange is coated with a metal spray layer formed mainly of zinc and containing aluminum of 15 mass% or more.