Specifications galvanized steel round pipe 1:BS1387 galvanized steel pipe 2:OD 21.3-219.1mm 3:WT 1.57-6.02mm Productgalvanized steel round pipe Size andOutside Diameter:Wall Thickness: 21.3-219.1mm1.57-6.0mmTolerance+/1%+/-8%Length3.00-12.00M or according to the client’s requirementBrand NameRenTongMaterialHot Rolled Carbon Steel,Q195,Q215,Q235,A53,St37,BS1387.StandardASTM/ BS/ ...