Hot dip galvanized pipe 1).W.T:0.5-6.0mm 2).O.D:20-165mm 3).Length:4-14m 4)Delivery time:10-30 days TypeHot dip galvanized pipeOuter diameter20-273.1mmWall thickness0.7-12mmThickness Tolerance±0.02Length4-14mStandardGB,ASTM,API,JIS,DIN,EN,BSMaterialQ195,Q215,Q235,Q345Zinc-coating60-480g/m2TechniqueWeldedProcessing technology Threading, coupling, plastic caps protectedHS ...