| abstract |
Disclosed is a coated metal pipe including a metal pipe and a multi-layered coating film that covers an outer circumferential surface of the metal pipe. The multi-layered coating film includes a chemical conversion layer and a primer layer, and these layers are provided in this order from the inside. The primer layer contains polyamide imide and at least one kind of additive component selected from polyamide, a fluorine resin, a silane coupling agent, and an epoxy resin. |