6m Steel Scaffolding Ladder Beam (300mm Width, Long-Span Bridging)

The 6m Steel Scaffolding Ladder Beam is a heavy-duty structural spanning component designed to bridge large gaps and support high loads over extended distances. With an impressive 6-meter (approx. 19.6 ft) clear span capability and a robust 300mm overall depth, this unit beam provides the ultimate rigidity required for complex architectural scaffolding where vertical ground support is completely restricted.

Manufactured from high-yield carbon steel and featuring fully saddle-welded joints, this 6m ladder beam effectively resists sagging and deflection under immense weight. Available in heavy-duty Hot-Dipped Galvanized finishes for long-term outdoor exposure or cost-effective Painted options, it is the premier choice for scaffolding contractors erecting temporary roofs, suspended platforms, and large-scale public event stages.

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6m steel scaffolding ladder beam (300mm width, long span bridging)

Technical Specifications

Technical Category Specification Details
Product Name Steel Scaffolding Ladder Beam / Unit Beam
Overall Length 6.0 Meters (Approx. 19.6 ft)
Overall Width (Depth) 300mm
Main Tube Outer Diameter 48.3mm (Compatible with standard scaffolding couplers)
Material Grade High-Yield Carbon Steel (Q345 / Q235)
Welding Process Precision Saddle-Welded (Fish-mouth welded) rungs
Surface Treatment Hot-Dipped Galvanized (HDG) / Painted
Deflection Control High resistance to bowing and sagging over 6m spans

Key Advantages

Maximum Clear-Span Capability: Spanning a full 6 meters, this beam allows scaffolding structures to safely bridge wide obstacles such as busy roadways, large glass atriums, or rivers, entirely eliminating the need for intermediate vertical standard supports.
Anti-Deflection Structural Rigidity: At 6 meters, preventing mid-beam sagging is critical. Our 300mm depth combined with high-yield Q345/Q235 steel and precision saddle-welded rungs creates a stiff, truss-like structure that safely distributes heavy loads to the supporting towers.
Standard 48.3mm Tube Integration: Despite its massive size, the top and bottom chords are manufactured to the universal 48.3mm OD standard. This ensures scaffolders can seamlessly lace the beams into existing scaffold towers using traditional drop-forged right-angle and swivel couplers.
Heavy-Duty HDG Protection: For large-span projects like temporary roofs that endure months of harsh weather, our Hot-Dipped Galvanized coating provides a thick, resilient zinc barrier, ensuring the beam does not rust, weaken, or compromise site safety over time.

Product Applications

Temporary Roofing Systems: The primary structural truss used to support heavy weather-protection sheeting over large buildings undergoing renovation.
Wide Obstacle Bridging: Creating safe walkways and working platforms over wide driveways, store entrances, or fragile architectural features.
Suspended & Cantilever Scaffolding: Acting as the rigid spine for drop-scaffolding on bridge repairs and offshore oil rig maintenance.
Event Infrastructure: Forming the structural grids for large outdoor concert stages, lighting rigs, and grandstand seating canopies.

Packaging & Delivery

Protective Steel Band Bundling: The 6m beams are stacked neatly and bound with high-tensile steel straps to prevent deformation of the 300mm web structure during heavy mechanical lifting.
40ft Container Optimization: Logistics Notice: Because a standard 20ft container’s interior length is only 5.89 meters, 6-meter ladder beams must be shipped using 40ft or 40ft HQ shipping containers. Our export logistics team optimizes the loading plan to ensure the 40ft container payload is maximized, keeping your freight cost per beam exceptionally low.
Reliable Global Export: Shipped from our ISO-certified facilities via major Chinese ports, we provide rapid customs clearance, seamless sea freight scheduling, and complete Mill Test Certificates (MTC).

Frequently Asked Questions (FAQ)

Q: Will a 6-meter ladder beam sag under a heavy load?
A: All long-span beams have a safe working load (SWL) limit. Our 6m beams are designed with a 300mm depth and saddle-welded rungs to provide extreme stiffness. However, to prevent sagging, structural engineers must calculate the load and, if necessary, lace multiple beams together in parallel to increase capacity.

A: No. A standard 20ft container has an internal length of approximately 5.89 meters. Therefore, 6-meter beams physically cannot fit inside. They must be shipped in 40ft containers. We highly recommend mixing 6m beams with shorter items (like standard scaffold tubes or couplers) to fully utilize the 40ft container’s weight limit.

A: Because the top and bottom chords of the beam are 48.3mm, you should use EN74 standard drop-forged right-angle (double) couplers to connect them to vertical standards, ensuring maximum slip resistance.

A: Yes. As a direct factory, while 4m and 6m are industry standards, we can precisely cut and weld ladder beams to exact lengths (e.g., 5m or 21ft) to match your specific engineering blueprints.

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