| abstract |
The present invention provides a clad welded tube in which the mechanical properties of the tube itself are improved by narrowing the width of the welded portion and the function of the clad tube is not hindered. The present invention provides a clad welded pipe having a first layer made of a base material and a second layer laminated on one surface of the first layer and made of a first material of a different material from the base material, The length L1 of the weld metal in the pipe circumferential direction on the inner surface of the pipe and the length L2 of the pipe circumferential direction on the outer surface of the pipe are all 0.0010 mm or more and 1.0 mm or less, Is not exposed. |