Cranes - General design - Part 3-5: Limit states and proof of competence of forged and cast hooks

This document covers the following parts of hooks and types of hooks: - bodies of any type of hooks made of steel forgings or steel castings, including stainless steel; - machined shanks of hooks with a thread/nut suspension. Plate hooks, which are those assembled of one or several parallel parts of rolled steel plates, are not covered. The following is a list of significant hazardous situations and hazardous events that could result in risks to persons during normal use and foreseeable misuse. Clauses 4 to 8 of this document are intended to reduce or eliminate the risks associated with the following hazards: a) exceeding the limits of yield strength, ultimate strength, fatigue strength, brittle fracture; b) exceeding temperature limits of material. This document is not applicable to hooks installed in cranes manufactured before the date of its publication and serves as a reference base for product standards for particular crane types. This part of EN 13001 deals only with the limit state method in accordance with EN 13001-1:2015.