Steel for the reinforcement of concrete. Weldable reinforcing steel. Bar, coil and decoiled product. Specification|Reinforcing steels, Bend testing, Reverse-bend tests, Marking, Sampling methods, Weldability, Compositional tolerances, Area measurement, Bars (materials), Chemical composition, Size, Structural steels, Steels, Certification (approval), Tensile testing, Tensile strength, Approval testing, Preferred sizes, Quality control, Pull-out tests, Verification, Reinforced concrete, Test equipment, Performance testing, Grades (quality), Concretes, Dimensions, Elongation, Statistical quality control, Inspection, Mass, Dimensional tolerances, Fatigue testing, Area, Reinforcing materials, Specimen preparation, Unalloyed steels