joining elements the du50 pipeline pipe and bend degrees new steel welded joints manua

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Joining of elements of the Du50 pipeline. Pipe and bend 90 degrees. New steel pipe. Elements of the pipeline. Welded joints. Manua Royalty Free Stock Photo
Joining of elements of the Du50 pipeline. Pipe and bend 90 degrees. New steel pipe. Elements of the pipeline. Welded joints. Manua Royalty Free Stock Photo
   
   
   
   
   
Joining of elements of the Du50 pipeline. Pipe and bend 90 degrees. New steel pipe. Elements of the pipeline. Welded joints. Manua
   
   
   
   
   
   
   
Butt weld. Preparation for manual electric arc welding of pipe DN 100 and transition and subsequent heat treatment.Oil pipeline for process equipment at an oil refinery in Russia

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