«Equipment and technologies for oil and gas complex»

Analysis of laser welding technology application for manufacturing heat exchanger steel tubes

UDC: 621.791
DOI: 10.33285/1999-6934-2022-4(130)-10-15

Authors:

¹ National University of Oil and Gas "Gubkin University", Moscow, Russia

Keywords: seamless pipes, straight-seam pipes, electrically welded pipes, technologies of steel tubes manufacture, laser welding, laser-welded straight-seam pipes, heat-exchange pipes, qualification tests of tubes

Annotation:

The article comparatively analyzes the methods, applied for manufacturing heat-exchange steel tubes. The advantages and disadvantages of the compared tube manufacturing methods are given. The authors of the article propose using the laser welding method for heat-exchange tubes manufacture. The description of laser-welded tube samples manufacture is presented for subsequent testing of that ones. The results of qualification and additional tests of laser-welded straight-seam pipes are presented. The authors of the article have concluded that laser welding when manufacturing heat-exchange equipment can be a competitive method that will reduce the labor and energy costs of the process as well as the consumption of metal and welding materials.

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