Material:Carbon Steel Outside Diameter:10-2000mm Wall Thickness:2-200mm Connection:Male, Female Shape:Equal, Reducing Surface treatment:Anti-rust black paint, anti-rust varnish, transparent anti-rust oil, hot galvanizing, cold galvanizing, 3PE coating, epoxy coating. Standard:ANSI,BS,DIN Application:petroleum, chemical industry, nuclear power plant, food manufacturing, construction, shipbuilding, paper making, medicine and other industries. Packaging Details 1.Cartons without pallets 2.Cartons with pallets 3.Double woven bags 4.As buyer's requirements.