Chain Sling

Within this article we will consider several main data concerning using chain hoists and how using them in their varying combinations can have an effect on safety.
Chain slings are most used in foundries or steel mills or numerous other industries when the need arises to lift difficult loads repeatedly, as chain slings can endure extreme temperatures, furthermore are resistant to chemical substances and Ultra violet light. Nevertheless it is wise to seek advice from the manufacturer / distributor when using in harmful areas, such as high temperatures and powerful / corrosive substances, to ensure its suitability and working load limit under the particular conditions.
Because of the many different combinations available chain slings are a exceptionally versatile variety of lifting equipment. Chain slings are usually attached to an electric hoist or winch by means of a hook, which may be an open hook or one with a safety catch built-in, the load must always sit in the dish of the hook never on its tip.
Chain slings provide immense power and flexibility due to its alloy steel design along with the numerous fittings available to go with its specialized purpose.
Chain slings occur in a varied array of hitching choices, there are single leg chain slings, double leg chain slings, triple leg chain slings and four leg chain slings, or the endless chain sling, that can be used in different combinations and hitches such as a straight hitch, choke hitch or a basket hitch.
Also 2 Two leg chain slings can be used together in the different hitches, and 4 leg slings can be made up from 2 x two leg chain slings.
There are numerous different aspects to take into account dependant upon the type of chain sling or slings used and which hitch is essential for the proposed use all of which will have an effect on the safe working load limit, consequently it is largely vital to contact specialists for assistance on how to use your chain sling safely.
The kind of load to be lifted additionally has an effect on which type of chain sling along with hitch to use, especially if the load is uneven and does not balance at its centre position, the chain slings must always be positioned close to the centre of gravity, to avoid tilting of the load, which frequently has to be estimated by a competent slinger, and must always be tested prior to being entirely lifted. The centre of gravity must at all times be exactly under the crane / hoist hook.
There are countless safety elements to take into contemplation when using chain slings, and should always arrive supplied with safe use information which should be followed closely, and on no account exceed the safe working load limit. Chain slings should never be knotted or twisted, the chain sling can be safely shortened by the use of a shortening hook.
Chain slings are possibly the strongest slings offered and come in 2 grades, grade 80 which is the norm in industry and grade 100 which are 25% stronger.
Chain slings however have little shock absorbency, therefore they can snap if not used correctly, and inspected regularly for nicks and gouges, stretched or bent links or any other signs of damage, if in doubt, don't use, get in touch with a specialist because often chains can be repaired, tested and recertified, which is more economical than discarding and buying new. European standards recommend thorough inspection of chain slings fewer than yearly; most UK industries use a maximum interval of 6 months.
Good slinging procedure is necessary and is only learned through experience, not from a text book.

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Lifting Gear Direct has been providing trade and industry with chain sling, chain slings, lifting gear for many years and also offer a full repair service. For more information please visit our web site for more lifting gear products

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