Ключевые слова:
Chains, Link chains, Lifting chains, Lifting tackle, Lifting equipment, Steels, Electric welding, Circular shape, Medium-duty, Dimensions, Diameter, Classification systems, Surface treatment, Strength of materials, Test specimens, Specimen preparation, Testing conditions, Test equipment, Tensile testing, Mechanical testing, Elongation at fracture, Bend testing, Acceptance (approval), Marking, Certificates of conformity