Square Hollow Welded Flat Bar
Delivered as a finished assembly, the Square Hollow Welded Flat Bar removes the site welding from your programme. Shop welding is done flat, under cover, with the piece rotated to suit the welder — which is why a factory weld is consistently better than the same joint made at height on site.
Drilling, Finishing and Beam Rename
No beams to fabricate yet.
Cutting Plans & Visualisation
Reference Images




It sits at the lighter end of the range, which keeps handling costs down and lets small teams position members without mechanical lifting plant. Held in S275 / S355 to BS EN 1090 and cut to length before it leaves the yard. Mill certificates accompany every load, and any fabrication is executed under our BS EN 1090 EXC 3 factory production control.
Typically specified for beam-and-column sub-frames, bracket and support assemblies, platform and mezzanine modules, stair and landing frames and bespoke welded units.
Assemblies are supplied primed as standard; galvanising and paint systems are available on request.
Services for this section
Cut, drilled, certified, delivered
- Cut to length, drilled and notched
- BS EN 9606-1 coded welding
- CAD detailing and connection design
- CE Declaration of Performance
- worldwide delivery with HIAB offload
- Live structural steel prices
- Request a quote (24-hour response)
- Speak to the sales team
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FAQs
Square Hollow Welded Flat Bar,
answered.
Common questions about the Square Hollow Welded Flat Bar — weight, grade, cut-to-length and worldwide delivery.
- Weight per metre for this size is confirmed at quotation — send us the section reference and we will come back with the exact figure.
Ready to order | Square Hollow Welded Flat Bar