Ключевые слова:
Rolled steels, Designations, Heat treatment, Marking, Free-machining steels, Inspection, Bars (materials), Visual inspection (testing), Test specimens, Ordering, Hardness, Classification systems, Mechanical properties of materials, Case-hardening, Steels, Grades (quality), Chemical composition, Semi-finished products, Tensile strength, Compositional tolerances, Defects, Hot-working