Best Wire Rope for Overhead Cranes: An Engineer’s Guide to Construction, Core, Grade and Duty Class

What is the best wire rope for an overhead crane? A practical selection guide: 6x36WS vs 6×19 vs 8-strand vs compacted, IWRC vs fibre core, 1960 MPa grade, D/d ratios, duty classes and ISO 4309 replacement rules from a crane rope specialist.