ASTM A789 Super Duplex Alloy Steel Pipe Shanghai Ling Steel International Trade Co., Ltd. Base Info Type:SeamlessTechnique:Cold DrawnUsage:Pipeline TransportSection Shape:Round Description Pre:Stainless Steel Single Braid Flexible Metal Hose/Pipe Next:Polished Hairline Finish Coil Seamless Round/Square/Rectangular Steel Tube/Pipe