Historical
AS 3637.6-1991
Underground mining - Winding suspension equipment - Shackles and chains (FOREIGN STANDARD)
Specifies requirements for shackles and chains used in the suspension of vertical mine shaft conveyances. Design, materials, manufacture, marking and testing are specified. Appendices provide guidelines on permissible imperfections for magnetic particle inspection, and design guidelines for shackles and chain links.
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Standards Australia [sai]