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1.1 This specification covers the requirements for forged alloy steel lifting components and welded coupling and master links for Grade 80 and Grade 100 alloy chain slings as described in Specification A 906/A 906M.
1.2 Two grades of components and welded links are covered:
1.2.1 Grade 80.
1.2.2 Grade 100.
1.3 This specification is a performance standard. Other standards apply to use of these products. Some of these standards are: OSHA 1910.184, ASME B30.10, and ASME B30.9.
1.4 The values stated in either inch-pound or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A29/A29M Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for
A391/A391M Specification for Grade 80 Alloy Steel Chain
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
A906/A906M Specification for Grade 80 and Grade 100 Alloy Steel Chain Slings for Overhead Lifting
A973/A973M Specification for Grade 100 Alloy Steel Chain
E4 Practices for Force Verification of Testing Machines
E44 Definitions for Terms Relating to Heat Treatment of Metals
E165 Practice for Liquid Penetrant Examination for General Industry
E709 Guide for Magnetic Particle Testing
Other StandardsASMEB30.10 Hooks
ICS Number Code 53.020.01 (Lifting appliances in general); 77.140.20 (Steels of high quality)