Finned tube type air cooler manufacturing process and finned tube type air cooler manufactured through process

The invention provides a finned tube type air cooler manufacturing process and a finned tube type air cooler manufactured through the process, and relates to the technical field of petrochemical and coal chemical plants. According to the finned tube type air cooler manufacturing process, a finned tube and a tube plate are assembled, a tube head of the finned tube and the tube plate are welded together through a chamfering welding method, tube box welding is carried out, in the tube box welding process, step-by-step heat treatment is carried out, and the finned tube type air cooler is obtained.Compared with an existing preparing process that a tube box is welded firstly, and deep hole welding is used for welding the tube head of the finned tube and the tube plate of the tube box, the manufacturing process has the beneficial effect that the problem that deep hole welding cannot ensure that the tube end welding line has the enough section thickness, and many non-normal corrosion leakageaccidents appear in the tu