Ключевые слова:
Mechanical properties of materials, Welding, Marking, Inspection, Seamed pipes, Pipes, Defects, Steels, Mass, Acceptance (approval), Dimensions, Testing conditions, Sampling methods, Preferred sizes, Fluids, Chemical composition, Ultrasonic testing, Pipework systems, Mechanical testing, Repair, Non-destructive testing, Flammable materials, Protective coatings, Seamless pipes, Pipelines, Dimensional tolerances, Gas supply, Welded joints, Heat treatment