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Last edited 29 Aug 2017
A lifting sling is used with a lifting device or crane to lift objects effectively and safely. Slings usually consist of cable, chain, rope or webbing, and generally include metal devices such as hooks, shackles, links or rings. Different types of sling are appropriate for different applications, depending on their composition, working load, length, slinging mode and so on.
 Types of sling
Polyester slings are are known as 'web slings' or 'rigging slings' because of their synthetic, web-like composition. Polyester differs from nylon in that its stretch is approximately 3%, and it is safe for use where bleaching agents or acids are present.
 Wire rope
Wire ropes are categorised based on the number of wires in a strand and how many strands are wrapped around the core. The more wires there are, the greater the flexibility and resistance to kinks, but also the more liable they are to abrasion wear.
Chain slings are typically suited to more demanding lifting operations. They are usually constructed from Grade 80 or 100 high strength alloy steel and can be designed and fitted to create custom sling assemblies for almost any kind of lift.
- Wear and stretching.
- Bent or twisted links.
- Ineffective safety catches.
- Cuts and nicks.
- Heat discolouration and welding splatter.
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