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BOS ISO 7597:2013
P376.20
Forged steel lifting hooks with latch, grade 8
Description
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.