Technical specifications for applying and accepntance the zinc coatings (WTWIO)
Subject and range of application of WTWiO.
Requirements and methods of applying and testing the hot-dip zinc coatings on individual elements or parts, as rods, steel sections, sheets as well as constructions made of them in order to protect them against corrosion are the subject of WTWiO.
Basis metal.
Products that will be hot galvanized to be made of either constructional or carbon steel of usual quality, according to the PN-88/H-84020 Standard. Silicon content may not exceed 0,03 % or should comprises in an interval between 0,15 % and 0,25 %.






