Scaffold Alloy Beams

Scaffold beams include alloy beams and steel beams. What are alloy beams? What are the sizes of alloy beams in scaffolding? What are alloy beams used for?

Alloy beams are prefabricated scaffold beams made of high-strength aluminum tubes in OD48.3mm, lightweight and easy to handle. It is named scaffold aluminium beams too. Alloy beams are compatible with standard tube and fitting scaffold and modular scaffold systems of ringlock, cuplock, etc.

Alloy and aluminium beams are essential scaffolding components used for scaffold bridging, creating suspended platforms, and forming temporary roofing systems and cantilever systems in construction.

The sizes of alloy beams include 450mm alloy beams and 750 aluminium X beams. 450mm and 750mm are the widths of the scaffold alloy beam. The lengths of the alloy beams are 2m to 8.1m customized and popular in 4.1m, 6.1m, 8.1m, or 6m, etc.

You will have more details about the alloy beams’ specifications, weight, and technical data in the following article.

How to Use Scaffold Alloy Beam in Construction

Alloy beams are fixed by standard scaffolding couplers to scaffold tubes and poles in construction. Scaffold spigot pins are the connectors between two alloy beams. Between the scaffold spigot and alloy beams, scaffold hinged pins or quick wire lock pins join the two elements together.

Scaffold spigot pins for the alloy beams are steel and 450mm and 600mm in length. They are longer than normal couplings and connectors. The beam scaffolding spigot couplings are with 6 to 8 holes in different directions convenient using the hinged pins and spring pins.

Alloy Beams Size & Specifications

450mm Alloy Beams

450 alloy beam is a narrow type of alloy beam compared to 750mm X beams. They are used popularly in all scaffolding construction including civil scaffolding, commercial scaffolding, industrial scaffolding, etc.  In construction, the 450mm alloy beams are used in ringlock scaffolding, cuplock scaffolding, kwikstage scaffolding.

450mm Alloy Beam Specifications & Weight

Code No. ItemsWeight(KG)Structure
W45ALB0404.0m Alloy Beams17.6O.D 48.3×4.25mm
W45ALB0505.0m Alloy Beams22O.D 48.3×4.25mm
W45ALB0606.0m Alloy Beams26.4O.D 48.3×4.25mm
W45ALB0808.0m Alloy Beams35.2O.D 48.3×4.25mm
W45ALB0414.1m Alloy Beams18.04O.D 48.3×4.25mm
W45ALB0515.1m Alloy Beams22.44O.D 48.3×4.25mm
W45ALB0616.1m Alloy Beams26.84O.D 48.3×4.25mm
W45ALB0818.1m Alloy Beams35.64O.D 48.3×4.25mm
W45ALB0616.2m Alloy Beams27.28O.D 48.3×4.25mm

750mm Alloy Beams

750 alloy beams are the wide type of scaffold alloy beam. To make it strong enough to take the heavy weight. they are with X braces between the top and bottom chords. Thus called scaffold aluminum X beams as well. 750mm X beams are used in heavy-duty construction, supporting, and roofing.

What Type of Aluminium is Used for Alloy Beams?

Alloy beams are made of high-grade 6082 aluminum material. This aluminum material is stronger than normal 6061 aluminum. The aluminum scaffold beam is 4.5mm thick. This type of aluminum makes the alloy beam safe and strong enough to take heavy loads in construction.

How strong are The Scaffold Alloy Beams?

  •  Test Standard: BS EN 1999-1-1
  • Permissable moment: 20.2KNm
  • Permissible shear: 11.6KN
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