Specifies requirements for the design, manufacture, marking and testing of forged lifting hooks having a working load limit of not more than 60 t, for use with wire rope, sheave blocks, serial hoists or general engineering applications. It covers large eye hooks and shank hooks.
Table of contents
Header
About this publication
Preface
1 Scope
2 Referenced documents
3 Definitions
4 Description
4.1 Types
4.2 Quality grade
4.3 Dimensions
5 Material
6 Manufacture
6.1 Forgings
6.2 Welding
6.3 Heat treatment
6.4 Surface finish
6.5 Machining
6.6 Latches
7 Marking
8 Mechanical properties
8.1 Permanent set
8.2 Strength
8.3 Ductility
9 Type testing of mechanical properties
9.1 General
9.2 Tests
9.2.1 Mechanical properties
9.2.2 Test for deformation
9.2.3 Static tensile test
9.2.4 Examination for articulation and relative movement