Galvanized steel pipes are dipped into a protective zinc coating to protect the pipes from corrosion in wet environments. In addition, galvanized pipes are a lower cost alternative to steel to achieve rust free protection for up to 30 years, while maintaining comparable ...
Length:optional Grade:A or B Specification:1/2"-8" Technique:Welded Welding Line Type:ERW Technique:ERW Surface Treatment:Galvanized Place of Origin:China (Mainland) Thickness:sch40 Outer Diameter:21mm-219mm Hot dip gavanzied steel pipe. ASTM A53 Sch40 ...