NFE 25513, a standard emanating from the French standards organization AFNOR (Association Française de Normalisation), specifies requirements for the mechanical properties of fasteners made of carbon steel and alloy steel. This comprehensive norm encompasses a wide array of fasteners such as bolts, screws, and studs with specified property classes, providing clear guidelines on their tensile strength, yield strength, elongation, and reduction of area. The standard serves as a crucial reference for engineers, designers, and manufacturers, ensuring that fasteners used in various applications meet stringent criteria for mechanical performance and reliability. By adhering to the specifications outlined in NFE 25513, stakeholders can ensure the structural integrity of their constructions and machinery, safeguarding against the potential for mechanical failure due to subpar fastening components.

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