The submerged-arc welded steel tube

GB/T 5384-91

GB/T 13793-92

GB/T 3092-93

GB/T 14980-94

       Product Standards

       The radius of submerged-arc welded steel tube is from 219 mm to 2620 mm , arm thickness from 5mm to 26mm ,with an output of 100000 tons .Our products are widely used in Oil , Gas transport , Urban heating network, Pure and Polluted water transport , Chemisty , Bittern , Stell constructure , Bridge , port equipment , and electronic area . We can satisfy your various of requirement . Welcome visiting and cooperating .

      Our company has the most advance weled stelt tube equipment bring in lincon jointing machine made in American , and fit out advance check machine including industrial TV , superwave detective machine and so on . Also our company establish a professional lab with about 360 project artificer , employ many professor from petrol and gas company . We had already get the API certificate from American Petrol Assoclation ,and pass ISO 9001 : 2000 quality certification ,we constitute a professional process and examination rules , to provide s perfect quality .

        The submerged-arc welded steel tube

pass ISO 9001 : 2000 quality certification