Square HollowGrade: S355

Square Hollow Section over 150mm mop

The Square Hollow Section over 150mm mop is a structural box section measuring 150 × 150 mm, equally strong about both principal axes and clean enough to leave exposed. Flat faces make connections much simpler than on circular tube: plates, cleats and brackets weld or bolt straight on without profiling.

Beams Required

2 stock lengths
pcs

Drilling, Finishing and Beam Rename

No beams to fabricate yet.

Cutting Plans & Visualisation

Reference Images

Square Hollow Section over 150mm mop — dimensioned cross-section
Square Hollow Section over 150mm mop — section profile
Square Hollow Section over 150mm mop — single-line drilling
Square Hollow Section over 150mm mop — double-line drilling
Square Hollow Section over 150mm mop — staggered drilling

At 35.4 kg per metre, one tonne buys roughly 28.2 linear metres. This is a mid-weight member: comfortable for a telehandler or small mobile crane, and heavy enough to carry meaningful load without doubling up. Stock grade is S355 to BS EN 10210 / BS EN 10219; other grades are rolled to order. Certification is EN 10204 3.1 as standard, and fabricated items are CE marked under BS EN 1090 EXC 3.

Typically specified for portal and goalpost frames, gate and railing frames, balustrade newel posts, machinery frames and skids and canopy and pergola structures.

Closed sections need vent holes before hot-dip galvanising; tell us if the position is visually sensitive.

Services for this section

Cut, drilled, certified, delivered

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FAQs

Square Hollow Section over 150mm mop,
answered.

Common questions about the Square Hollow Section over 150mm mop — weight, grade, cut-to-length and worldwide delivery.

  • It weighs 35.4 kg per linear metre, so a tonne is approximately 28.2 metres. A 6 m length comes to about 212 kg. Use the figure for lifting plant selection and for pricing, since structural steel is sold by weight.

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