The Four Leg Chain Sling (Quad Leg) is a highly stable, heavy-duty lifting assembly consisting of four lengths of high-strength alloy chain permanently joined at a central master link, designed specifically for lifting square or rectangular loads.
High-strength Grade 80 Alloy Steel (Quenched and Tempered). Fully conforms to EN 818-4 with a 4:1 Safety Factor.
4-Leg design for maximum stability when lifting square, rectangular, or bulky loads. Includes metal ID tag displaying WLL, Grade, Size, and Serial.
Equipped with shortening clutches (grab hooks) for leveling uneven loads. Available with Self-Locking, Sling, or Foundry hooks.
Suitable for extreme environments ranging from -40°C to 200°C (-40°F to 400°F).
Our quadruple leg chain slings are engineered for heavy industrial lifting and are essential rigging equipment for:
When using a 4-leg sling on a rigid load, it is theoretically impossible for all four legs to share the load equally. In compliance with engineering standards, the Working Load Limit (WLL) is calculated based on 3 legs (or sometimes 2 legs depending on the angle) tailored for stability. Always ensure the load is balanced and consult the load chart before lifting.
| Chain Size (mm) |
WLL / Capacity (tons) | Clevis Self Locking Hook |
Clevis Self Locking + Grab Hook |
Clevis Sling Hook |
Clevis Sling + Grab Hook |
|
|---|---|---|---|---|---|---|
| 0-45° | 45-60° | |||||
| 6 | 2.36 | 1.7 | 503001406 | 503002406 | 503003406 | 503004406 |
| 7 | 3.15 | 2.24 | 503001407 | 503002407 | 503003407 | 503004407 |
| 8 | 4.25 | 3.0 | 503001408 | 503002408 | 503003408 | 503004408 |
| 10 | 6.7 | 4.75 | 503001410 | 503002410 | 503003410 | 503004410 |
| 13 | 11.2 | 8.0 | 503001413 | 503002413 | 503003413 | 503004413 |
| 16 | 17.0 | 11.8 | 503001416 | 503002416 | 503003416 | 503004416 |
| 18 | 21.2 | 15.0 | 503001418 | 503002418 | 503003418 | 503004418 |
| 20 | 26.5 | 19.0 | 503001420 | 503002420 | 503003420 | 503004420 |
| 22 | 31.5 | 22.4 | 503001422 | 503002422 | 503003422 | 503004422 |
| 26 | 45.0 | 31.5 | 503001426 | 503002426 | 503003426 | 503004426 |
| 32 | 67.0 | 47.5 | 503001432 | 503002432 | 503003432 | 503004432 |
A 4-leg chain sling is a type of lifting sling commonly used in industrial and construction settings to lift and transport heavy loads. It consists of four individual chains that are attached to a master link or a central ring at the top. The other ends of the chains are fitted with hooks or other attachments to secure the load.
The primary advantage of a 4-leg chain sling is its ability to distribute the load evenly across four points, as opposed to just two points in a 2-leg sling. This even distribution helps to reduce stress on each individual chain and on the load being lifted. As a result, 4-leg chain slings are well-suited for lifting irregularly shaped or sensitive loads, as well as loads that are prone to tilting or spinning during lifting.
A four leg sling comprises four legs permanently connected at their upper ends by a suitable link assembly and marked as an assembly. Four leg slings are mainly used to handle square or rectangular (four cornered) loads.
The key characteristics that make a 4-leg chain sling different from other types of slings are:
Four contact points reduce stress on individual chains
Suitable for various lifting scenarios and load types
High-strength alloy steel construction
EN 818-4 - Safety Requirements for Lifting Accessories
The Machinery Directive stipulates that where chain with welded links is used for lifting accessories it is to be of short line type and for the purposes of this standard this is chain having a ratio of nominal pitch to nominal size of 3:1.
This European Standard specifies the requirements related to safety, methods of rating and testing of single-, two-, three-, four-leg and endless chain slings assembled by:
using short link grade 8 medium tolerance lifting chain conforming to EN 818-2 together with the appropriate range of components of the same grade.
