Ключевые слова:
Steels, Forgings, Pressure equipment, Open, Annular shape, Rolling, Bars (materials), Delivery, Classification systems, Designations, Instructions for use, Consumer-supplier relations, Production, Surface treatment, Surface defects, Dimensions, Dimensional tolerances, Shape, Chemical composition, Mechanical properties of materials, Test specimens, Sampling methods, Specimen preparation, Mechanical testing, Tensile testing, Inspection, Marking, Thickness