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lifting hook is affected by a variety of factors, including its material, structure, working environment and usage conditions. According to the provisions of the "Crane Machinery Safety Supervision and Management Regulations", the service life of the hook is generally 5 years. However, in practical applications, evaluation is also required based on the specific situation of the hook.

During use, the hook should be inspected and maintained regularly to detect and deal with defects and faults of the hook in a timely manner, thereby extending its service life. The detection of hooks includes appearance inspection, size measurement, material analysis, magnetic powder flaw detection, ultrasonic flaw detection and other items. Only when all hooks are qualified during the inspection can they continue to be used; otherwise, repair or scrapping is required.

When the hook has cracks, deformation, serious wear and other conditions that affect the safety of use, or the size exceeds the standard range, or the material is unqualified or there are serious defects, or the safety and reliability cannot be guaranteed after repair, it should be stopped immediately and scrapped.

Therefore, although the service life of a hook is generally stipulated to be 5 years, whether a new hook needs to be replaced must be determined based on the actual situation of the hook and the test results. It is recommended to conduct regular professional inspections and evaluations to ensure the safety and reliability of the lifting hooks.

lifting hook is affected by a variety of factors, including its material, structure, working environment and usage conditions. According to the provisions of the "Crane Machinery Safety Supervision and Management Regulations", the service life of the hook is generally 5 years. However, in practical applications, evaluation is also required based on the specific situation of the hook.

During use, the hook should be inspected and maintained regularly to detect and deal with defects and faults of the hook in a timely manner, thereby extending its service life. The detection of hooks includes appearance inspection, size measurement, material analysis, magnetic powder flaw detection, ultrasonic flaw detection and other items. Only when all hooks are qualified during the inspection can they continue to be used; otherwise, repair or scrapping is required.

When the hook has cracks, deformation, serious wear and other conditions that affect the safety of use, or the size exceeds the standard range, or the material is unqualified or there are serious defects, or the safety and reliability cannot be guaranteed after repair, it should be stopped immediately and scrapped.

Therefore, although the service life of a hook is generally stipulated to be 5 years, whether a new hook needs to be replaced must be determined based on the actual situation of the hook and the test results. It is recommended to conduct regular professional inspections and evaluations to ensure the safety and reliability of the lifting hooks.