What is The Hook Scrap Standard？

When the hook reaches the scrap standard, it must be scrapped in time. The hook must be prohibited from being used in one of the following situations:

1. Cracks or breaks;

2. The wear of the dangerous section reaches 10% of the original size;

3. The opening is increased by 15% compared with the original size;

4. The torsional deformation exceeds 10º;

5. Plastic deformation of dangerous section or hook neck;

6. The wear of the plate hook bush reaches 50% of the original size;

7. The wear of the plate hook mandrel reaches 5% of the original size;

8. Welded repaired hooks.

The technical performance of the hook block has been improved through the research and years of operation experience of Henan flag crane Co., ltd technicians. Flagcrane provides standard and non-standard cranes and spreaders that have passed third-party certification. Welcome to visit flagcrane's factory.