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Scrap Standard For Hooks

- Oct 12, 2017 -

The hook should be scrapped when one of the following occurs:

① crack;

② Dangerous section wear up to 10% of the original size;

The ③ aperture is 15% higher than the original size.

④ Hook body Twist deformation more than 10 °;

⑤ Hook Dangerous section or hook neck to produce plastic deformation;

⑥ hook thread is corroded;

The bushing should be replaced when the ⑦-hook bushing wears up to 50% of the original size.

⑧ piece Hook mandrel wear up to the original size of 5%, should replace the mandrel.


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