Yes, the specification standard of cold-rolled ribbed steel rebars in China, GB/T 1499.2-2018, does take into account mechanical performance indicators such as material strength and toughness. The standard provides specific requirements for these performance indicators, ensuring that the steel rebars meet the necessary mechanical properties for their intended use in reinforced concrete structures. The standard specifies the minimum yield strength and the minimum tensile strength of cold-rolled ribbed steel rebars. In addition, the standard sets minimum elongation requirements and the requirements for the bending performance of cold-rolled ribbed steel rebars.

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