... 2)Good experience in export; (3)Best services. Stainless Steel Tube (1). Manufacturing Standard: ASTM A554. (2). Grade ... Application: mainly for mechanical structures and building decoration, furniture, handle, railing, window, door, fencing, kitchenware, mechanic making ... bars, car exhaust tubes, tubes with heat exchanger, tubes with food hygiene control, thin-walled tubes ect. Stainless Steel Tube