ISO 7597

Description / Abstract: This International Standard specifies requirements for forged steel lifting hooks with latch of grade 8 having eye or clevis and pin up to 63 t working load limit (WLL), mainly:

- for use in chain slings according to ISO 4778 and ISO 7593;

- for use in steel wire rope slings according to ISO 7531;

- for use in textile slings;

- intended for lifting objects, materials or goods.

This International Standard does not apply to hand forged hooks.

Annex A gives the bases for calculation of hook dimensions.

Annex B gives an example of a designation system for hooks of grade 8.