... '', 1-1/2'', 2''3, Length: Normally is 10 or required by the clients4, Material: Pre-galvanized steel strip based on ... , Q215 etc.5, Surface finish: Galvanized (PG, HDG)6, Others required by the clients Size-EMTOutside Dia.ThicknessLengthinchmmStandardThin (mm)inchminchmm 1 ...