Austenitic Stainless Steel Tubing Shanghai Ling Steel International Trade Co., Ltd. Base Info Type:SeamlessTechnique:Cold DrawnSurface Treatment:Anneal and PicklingUsage:Pipeline TransportSection Shape:Round Description Pre:Seamless Carbon and Alloy Steel Mechanical Tubing Next:DIN Alloy Structural Steel 20cr4 28cr4 34cr4 41cr4 Steel Sheet of Steel Plate in Germany