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BS ISO 17440:2014

Current
Current

The latest, up-to-date edition.

Cranes. General design. Limit states and proof of competence of forged steel hooks
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-05-2014

Foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 General requirements
5 Static strength
6 Fatigue strength
7 Verification of conformity with the requirements
8 Information for use
Annex A (informative) - Sample sets of single point hooks
Annex B (informative) - Sample set of ramshorn hooks
Annex C (informative) - Annexes A and B static limit
        design forces for hook bodies
Annex D (informative) - Annexes A and B fatigue limit
        design forces for hook bodies
Annex E (normative) - Hook body calculation and
        specific spectrum ratio factors
Annex F (informative) - Sample fatigue strength
        calculations of proofed hooks (with proof
        load applied)
Annex G (informative) - Sample set of hook shank
        and thread designs
Annex H (normative) - Bending of curved beams
Annex I (normative) - Calculation of hook suspension
        tilting resistance, articulation by a hinge or
        rope reeving system
Annex J (informative) - Guidance for selection of hook
        size using Annexes C to E
Annex K (normative) - Information to be provided by
        the hook manufacturer
Bibliography

Includes the following parts of hooks and types of hooks: - bodies of any type of point hooks made of steel forgings; -machined shanks of hooks with a thread/nut suspension.

This International Standard is intended to be used together with the other relevant International Standards in its series. As such, they specify general conditions, requirements and methods to prevent hazards in hooks as part of all types of cranes. This International Standard covers the following parts of hooks and types of hooks: bodies of any type of point hooks made of steel forgings; machined shanks of hooks with a thread/nut suspension. NOTE 1 The principles of this International Standard can be applied to other types of shank hooks and also where stress concentration factors relevant to that shank construction are determined and used. Plate hooks, which are those assembled from one or several parallel parts of rolled steel plates are not covered in this International Standard. This International Standard is applicable to hooks from materials with ultimate strength of not more than 800N/mm2 and yield stress of not more than 600N/mm2. 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. Clauses4 to 8 of this document are necessary to reduce or eliminate the risks associated with the following hazards: exceeding the limits of strength (yield, ultimate, fatigue); exceeding temperature limits of material; unintentional disengagement of the load from the hook. The requirements of this International Standard are stated in the main body of the document and are applicable to hook designs in general. The hook body and shank designs listed in AnnexesA, B and G are only examples and should not be referred to as requirements of this International Standard. This International Standard is applicable to cranes manufactured after the date of its publication, and serves as a reference base for product standards of particular crane types. NOTE 2 This International Standard deals only with the limit state method in accordance with ISO8686-1.

Committee
MHE/3/3
DevelopmentNote
Supersedes 12/30252148 DC. (05/2014)
DocumentType
Standard
Pages
90
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 17440:2014 Identical

ISO 4287:1997 Geometrical Product Specifications (GPS) — Surface texture: Profile method — Terms, definitions and surface texture parameters
ISO 4306-1:2007 Cranes — Vocabulary — Part 1: General
ISO 148-2:2016 Metallic materials — Charpy pendulum impact test — Part 2: Verification of testing machines
ISO 6892-1:2016 Metallic materials Tensile testing Part 1: Method of test at room temperature
ISO 8686-1:2012 Cranes — Design principles for loads and load combinations — Part 1: General
ISO 12100:2010 Safety of machinery — General principles for design — Risk assessment and risk reduction
ISO 15579:2000 Metallic materials Tensile testing at low temperature
ISO 148-1:2016 Metallic materials — Charpy pendulum impact test — Part 1: Test method
EN 10243-1:1999/AC:2005 STEEL DIE FORGINGS - TOLERANCES ON DIMENSIONS - PART 1: DROP AND VERTICAL PRESS FORGINGS
EN 10228-3:2016 Non-destructive testing of steel forgings - Part 3: Ultrasonic testing of ferritic or martensitic steel forgings
ISO 643:2012 Steels Micrographic determination of the apparent grain size
DIN 15400:1990-06 LIFTING HOOKS - MATERIALS, MECHANICAL PROPERTIES, LIFTING CAPACITY AND STRESSES
ISO 965-1:2013 ISO general purpose metric screw threads — Tolerances — Part 1: Principles and basic data
ISO 7500-1:2015 Metallic materials Calibration and verification of static uniaxial testing machines Part 1: Tension/compression testing machines Calibration and verification of the force-measuring system
ISO 9327-1:1999 Steel forgings and rolled or forged bars for pressure purposes — Technical delivery conditions — Part 1: General requirements
ISO 4301-1:2016 Cranes — Classification — Part 1: General

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