Pipa quadrata Galvanizata est pipa metalla quadrata quadrata cum forma quadrata sectione et dimensione quadrata fabricata ex calore torculata aut frigida torculata galvanizata aut coil a galvanizata quasi vacua, frigida et formata per fluctum frequencatis alta.Or a galvanized rectangular tube made of cold-formed hollow steel pipe prepared in advance and then processed by hot-dip galvanizing.
