Capacity Selection Guide
50 Tonne Spreader Beam Guide
What to check when a lift is described as a 50 tonne spreader-beam requirement, and why span, sling geometry and the approved configuration still determine the available WLL.
By Multisec · Purchasing and engineering guidance
A requirement described as “50 tonnes” still needs a defined span, sling arrangement, lower lifting-point geometry and approved configuration. The beam must be checked against the applicable load data for the actual arrangement rather than selected from headline capacity alone.
Capacity Selection
“50 Tonnes” Is Only The Starting Point
When a project is described as needing a 50 tonne spreader beam, the working load still has to be checked against the actual span, sling geometry and approved configuration. A model may not provide the same WLL at every span or arrangement.
Start with the real load and lifting-point geometry, then use the applicable technical data to identify whether a standard configuration can meet the requirement.
Geometry
Span And Sling Angle Change The Forces
The distance between lifting points determines the required spreader span. The upper sling angle affects the sling forces and the compression transferred through the spreader member, so the angle convention and approved load chart must be checked for the selected arrangement.
Do not assume that a beam described as 50 tonnes is suitable for a different span or sling arrangement without checking the applicable data.
Project Information
What To Send For A 50 Tonne Requirement
| Information | What to provide |
|---|---|
| Load | Known weight, dimensions and centre-of-gravity information. |
| Span | Distance between the intended lower lifting points. |
| Upper rigging | Available headroom, crane connection and proposed sling geometry where known. |
| Environment | Indoor, outdoor, marine or offshore use and any client specification. |
| Programme | Required date, delivery location and whether repeated configurations are expected. |
Standard Or Bespoke
Use The Approved Range First, Then Escalate If Needed
Where an approved modular spreader-beam configuration matches the required load and geometry, it can provide a flexible standard route. Where the required span, connection arrangement or project requirement sits outside the approved standard options, send the details for a bespoke review.
Frequently Asked Questions
Common Questions
Is every 50 tonne spreader beam rated to 50 tonnes at every span?
No. Available WLL can depend on span, sling angle and the approved configuration. Use the load data for the exact arrangement.
What information is needed to quote a 50 tonne spreader beam?
Provide the load weight, required span, lifting-point locations, headroom or sling geometry, crane connection, environment, delivery location and any project specification.
Can Multisec review a requirement that does not match a standard configuration?
Yes. Send the lift information and drawings so the team can determine whether a standard approved route or a bespoke engineered solution is more appropriate.
Engineering Support
Need Help With A Real Lift?
Send the load, span, lifting points, available headroom and any drawings. Multisec can review the requirement and identify the most suitable standard or bespoke route.
