Ключевые слова:
Seamless pipes, Copper alloys, Heat exchangers, Surface defects, Circular shape, Eddy-current tests, Hydrostatics, Thickness, Surface treatment, Mechanical properties of materials, Copper, Mechanical testing, Sampling methods, Purchasing, Grain size, Ordering, Pipes, Designations, Dimensional tolerances, Chemical composition, Drift expanding tests, Hardness testing, Heat engineering components, Certificates of conformity, Test specimens, Tensile testing, Corrosion tests, Length, Dimensions, Form tolerances, Diameter, Compositional tolerances