International Organization for Standardization (ISO)
Latest
ISO 7597:2013
Scope
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.
ISO 7597:2013 Referenced Document
ISO 8539:2009 Forged steel lifting components for use with Grade 8 chain
ISO 7597:2013 history
2013ISO 7597:2013 Forged steel lifting hooks with latch, grade 8
1987ISO 7597:1987 Forged steel lifting hooks with point and eye for use with steel chains of grade T(8)