Hot dip galvanized pipe, guna ngaronjatkeun daya tahan korosi tina pipa baja, pipe baja umum ieu galvanized.Pipa baja Galvanized dibagi kana hot-dip galvanizing na elektro galvanizing.Lapisan galvanizing panas-dip kandel, biaya elektro galvanizing rendah, sareng permukaanna henteu rata.