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The Development of a Technology for the Conventional Welding of Butt Joints (of Membrane Walls) of Composite Tubes

Radosław Ciokan, Michał Urbańczyk, Santina Topolska

The article presents results of tests leading to the development of a technology enabling the welding and conventional cladding (methods 141/111) of butt joints of composite tubes made of Sanicro 38/4L7 (nickel alloy/carbon steel) and 3R12/4L7 (stainless steel/carbon steel). In addition, the article discusses process parameters used in the welding of the inner layer and in the cladding of the outer layer of the tube made of Sanicro 38 and 3R12. The article also presents results of macro and microscopic metallographic tests of the joints.

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