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ISO 4779:2021

Current

Current

The latest, up-to-date edition.

Chain components for lifting purposes Forged eye hook with point and latch Grade 4, stainless steel, solution annealed

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English

Published date

19-08-2021

€92.00
Excluding VAT

This document specifies the requirements for forged eye hooks with point and latch of grade 4 from stainless steel and solution annealed for use preferably as a component in chain slings of welded construction of grade 4 from stainless steel and solution annealed.

IMPORTANT For other applications, e.g. steel wire rope slings or textile slings, it is important that the hook design is checked to ensure its fitness for a safe use.

NOTE1 The grade for the hook according to this document is taken from the grade of the sling chain according to ISO1835. Both (sling chains and hooks) have identical scopes and values for the working load limit, WLL, according to Table2 and values for the mechanical requirements according to Table3. Thus, the direct correlation of hooks to the sling chain is given by the WLL and especially the code system on the product body itself. The grade of the hook does not define any values of the tensile strength of the hook material. For further information, see AnnexB.

The range of the nominal diameter, dn, of the associated sling chain according to ISO1835 is from 4mm to 22mm.

Hooks according to this document are for use in the temperature range 100C to +400C.

These hooks are solution annealed in the finished condition and can therefore be used without restrictions with regard to the corrosion resistance of the steels according to5.1.

NOTE2 The term eye hook with point and latch is taken from ISO1837:2003, Figure5.

DocumentType
Standard
Pages
15
PublisherName
International Organization for Standardization
Status
Current
Supersedes

Standards Relationship
BS ISO 4779:2021 Identical

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