▎ 摘　　要

NOVELTY - Coated metal pipe comprises a tubing formed into a circular cross sectional profile; a solvent based primer layer applied over the tubing; and at least one layer of a polymer or copolymer incorporating a graphene or graphene oxide powder applied on the primer layer. USE - Automotive fluid transport tube for carrying fuel, brake fluids and transmission oil coolants during vehicle operation. ADVANTAGE - The automotive fluid transport tube has excellent corrosion inhibiting intermediate layer, and high strength, and can be easily and economically manufactured with less number of manufacturing steps. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for manufacturing a coated metal pipe for use as an automotive fluid transport tube, which involves forming a copper plated carbon steel into a tubing exhibiting a circular cross sectional profile; forming at least one intermediate primer layer including a corrosion inhibiting zinc/aluminum alloy, electroplated zinc or hot dip aluminum applied over tubing; and forming an outer polymer or copolymer layer applied over the intermediate layer, the outer layer compounded with a graphene or graphene oxide powder.