Ключевые слова:
External-thread fasteners, Grades (quality), Torsional strength, Chemical composition, Threads, Bolts, Temperature, Test equipment, Tensile testing, Stainless steels, Tensile stress, Ferritic steels, Threaded fasteners, Studs (fasteners), Torque, Steels, Elongation at fracture, Marking, Designations, Martensitic steels, Classification systems, Corrosion-resistant steels, Torsion testing, Mechanical testing, Mechanical properties of materials, Tensile strength, Hardness, Austenitic steels, Hardness testing, Screws (bolts), Intergranular corrosion, Fasteners