Marine tube: full name is the ship tube, its main use is used in shipbuilding, ship tube performance with other seamless steel pipe, such as 20 # 45 # seamless steel pipe, seamless steel tube) in comparison with the performance of high corrosion resistance, resistance to high pressure performance and high temperature resistant performance. Main material of ship tube is 410, 490 and 440, its standards are: GB/T5312-1999 (hot rolling, extrusion, tube expanding), the specifications of the ordinary scope: 14-426 * 1.5-60.
