A coated hollow metal tube being processable by bending, pressing or punching without the cracking or peeling of the coating; said tube comprising a hollow metal tube and a coating, in tight adhesion thereto, of a thermoplastic crystalline copolyester having a second order transition point of at least 50.degree. C and a degree of crystallization of not more than 15%. A coated hollow metal tube processed by bending, pressing or punching is produced by coating the hollow metal tube with the thermoplastic crystalline copolyester, cooling the coating, and then subjecting the coated hollow metal tube to bending, pressing or punching. The product has utility in furniture, conduits for municipal gas and water supplying facilities, automobile parts, and other indoor or outdoor articles and building materials.