OVERVIEW Peralatan produksi dan bahan industri seperti pipa, mesin, plat, dan lain-lain biasanya terbuat dari bahan logam. Kelemahan dari bahan logam yaitu mudah mengalami korosi. Apabila logam sudah mengalami korosi,

DESCRIPTION Corrosion on metals is un-expected damage and in the other hand, it is un-avoided. Corrosion problems in industry always caused high cost every year, it is spent to control the corrosion and replace corroded