ASTM A53 Double Flanged SAWH Steel Pipe for  Dredging        Tianjin Xinyue Industrial and Trade Co., Ltd. As a leading ERW and SSAW steel pipe manufacturer in China, we can supply high quality petroleum & gas line pipe,  water pipe and construction pipe.    Basic Information   ASTM A53 Double Flanged SAWH  Steel Pipe for Dredging   Certificate:EN10217, EN10219, API 5L PSL1/ PSL2, API 5CT
Out Diameter:219.1 mm - 3048mm (8"-120") Wall Thickness:4mm - 30mm Length:6 – 22 m.   Details   ASTM A53  Double Flanged SAWH Steel Pipe for  Dredging     Usage:Used for low pressure liquid delivery, such as water, gas, and oil; construction and piling.     Surface:Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customer's requirement   Test:Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Metallographic Test, Technical Properties (Bending Test, Charp-v Impact Test, Hydrostatic Test, X-ray Test, Ultrasonic Test   Mill Test Certificate:EN 10204/3.1B     Spiral Submerged- Arc Welded Steel Pipe manufacturing Flow Chart