ANTICORROSION PIPING COMPONENT

• Main Authors: NIIDE YOSHIFUMI, TANIGUCHI KOICHI, SUEHIRO ATSUO
• Format: Patent
• Language: English
• Published: 05.07.2012
• Subjects: CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; METALLURGY; PERFORMING OPERATIONS; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; TRANSPORTING

PROBLEM TO BE SOLVED: To provide an anticorrosion piping component obtained by: performing molten zinc-aluminum alloy plating on inside and outside surfaces of a piping component made of an iron material; and forming a resin film on the inner surface plating.SOLUTION: Plating pretreatment including a step of treating inside and outside surfaces of a piping component 1 with a ferric chloride solution is performed, and then hot dip zincing is performed. Subsequently, molten zinc-aluminum alloy plating is performed. The inner surface on which a resin film is to be formed is subjected to primer treatment and then is heated. If necessary, prior to the primer treatment, shot blasting or chemical conversion treatment for improving adhesion is performed. Then, the resin film is formed by flowing fluid resin powder 9 on the inner surface of the piping component 1.