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galvanized welded pipes OD:20-323mm WT:0.8-30mm Material:S355,A333 MOQ:5 TONS Product namegalvanized welded pipesOutside Diameter20-323mmWall Thickness0.8-30mmStandardDIN ASTM API GBMaterialS355,A333OriginChinaCertificateAPI5L ISO9000 API 5CTBrandXIANGHETechniquehot rolledapplicationuse for oil well, boilers, precision machines, petro-chemical, ship, structure pipe, building, fluid tubes, line pipe etc Testingwe have professional testing equipments such as ultrasonic testing machine,eddy current testing machine, mechanics testing machine to make sure high qualityTolerance:WT TOLERANCE-5%+5%Min Order5 TONUsagePetroleum and natural gas industry, chemical industry, electric industry, flammable and non-flammable liquid transportation and steel construction, drainage project and city construction etc.Packagein bulk , in bundle,standard seaworthy packageLength1-12MDelivery time15-20 days after received the advanced paymentAdvantageHe Bei Xiang He Steel pipe Trade Co. Ltd has recently brought into a set of hot rolled fluid steel pipe production line, which can produce 57630×318mm hotrolled seamless steel pipe. Also It has a set of largecaliber thick wall bifilar double sided spiral pipe production line, which can produce 4263000×1050mm thick wall steel pipes. The products can meet a certificate of GB/T8162\81631999 API5Land have got the production license