Ключевые слова:
Steels, Unalloyed steels, Structural steels, Sheet materials, Rolling, Hot-working, Piles, Sheet-pile foundations, Pile foundations, Chemical composition, Weldability, Classification systems, Purchasing, Yield strength, Tensile strength, Elongation, Sample location, Surface treatment, Inspection, Marking, Testing conditions, Designations, Grades (quality)