1.Standard: ASTMA53,BS1387-1985,GB/T3091-2001,EN39,BS1139 2. Materials: Q195,Q215,Q235,Q345 3.Out Diameter: 1/2 inchaa8 inch us galvanized steel pipe1.Standard: ASTMA53,BS1387-1985,GB/T3091-2001,EN39,BS11392. Materials: Q195,Q215,Q235,Q3453.Out Diameter: 1/2 inch—8 inch (OD 21.3mm—OD219mm)4.Wall Thickness:0.8mm-18mm5.Length: 1m-12m ,by customer’s requiremnts6. Ends: Plain, Beveled, Thread With ...