G.I. pipe OD:1/2"-18" WT:0.8mm-16mm Zinc coating: 300-480g/m2 G.I. pipe Hot GI pipeSize Wall thickness (W.T.)1/2”-18“0.8mm-16mmLength1m-12m ,by customer’s requiremntsInternatioanal StandardISO 9001-2008StandardsASTMA53,BS1387-1985,GB/T3091-2001,EN39,BS1139MaterialsQ195,Q215,Q235,Q345Product CategoryMetallurgy,Mineral &EnergyTechniqueWeldedPacking1.Big OD:in bulk2.Small OD:packed by steel strips3. ...