Sell Galvanized Steel Pipe, Galvanized Steel Tube Shape Round pipe Square pipe Rectangular pipe Outer diameter 17-1820mm 15*15-1000-1000mm 10*20-1000*800mm Wallthickness 0.5-30mm 0.5-30mm 0.5-30mm Length 4-15m or as customers requirements and can be cutting as customers requirements Standard GB/T3091-08,GB/T13793-92, GB/T6728-2002,GB/T19001-2008,   ISO9001-2008 DIN2440, JIS-G3444, EN10255, ASTM A53 Steel Grade Q195-Q345, S235JR, S275JR, S355JR, S355J2H, STK400/500.  Zinc coating Pre-galvanized steel square tube: 30g/m2-150g/m2; Galvanized steel square tube:20g/m2-400g/m2 or as customers requirements Surface hot dipped galvanized, Pre-gavanized, electro galvanized, painted, threaded, beveled, grooved, engraved Usage Scaffolding pipe, Structure pipe, Fence/Door pipe, Furniture, Lowpressure fluid pipe for water oil or gas, Boiler pipe. Place of origin  Tianjin Port of China Productivity 10000Tons/Month Payment Terms 1) Payment term: T/T;L/C;D/P   2)Trade Terms: FOB/CFR/CIF   3)Minimum quantity of order : 5 Mt Test Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength    Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test,    Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test. Third    party inspection:SGS, BV, Lloyds etc.