Q355 Angle-Steel Workshop Steel Structure, Seismic Large-Span Sheds & Workshops up to 65m

Main Features

A Q355B angle-steel truss and lattice-frame system for large-span sheds and workshops, offering high stiffness with low steel tonnage.

• Q355B angle steel (equivalent to S355JR), yield 345 MPa

• Truss / lattice column-and-rafter construction

• Max clear span up to 65 m, column-free interior

• High stiffness-to-weight ratio, economical steel tonnage

• Open, half-open or fully enclosed layouts available

• Bolted splices and gusset-plate connections

• Seismic design per EN 1998; wind load up to 35 m/s

• Sa2.5 blasting + epoxy-zinc coating (HDG optional)

• Optional roof/wall panels, insulation, ventilated ridge

• Designed to GB 50017 / EN 1993 / EN 1090-2

Technical Specifications

Advantages

• Angle-steel truss: higher stiffness with lower tonnage than solid-web frames.

• Up to 65 m column-free span, ideal for large sheds and production lines.

• Open/half-open/closed layouts to suit ventilation, climate and budget.

• Seismic design per EN 1998, proven in earthquake-prone regions.

• Dual-layer corrosion protection for high-salt Middle East and coastal areas.

• Bolted, gusset-plate joints for rapid, weld-free site assembly.

• Certified to EN 1090-2 + ISO 9001; SGS/BV inspection available.

• Factory strength: 100 t workshop crane, 50,000 t/year, 80–90% export share.

Applications

• Heavy machinery & engineering equipment workshops

• Automotive & vehicle parts factories

• Steel fabrication & metalworking workshops

• Logistics & high-bay storage warehouses

• Coal and bulk-material covered sheds

• Raw material and aggregate storage sheds

• Livestock & poultry houses

• Equipment and vehicle parking shelters

• Agricultural & farm machinery sheds

• Open-side market and trade halls

• Substation and utility support structures

• Industrial park multi-purpose sheds