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Reviewed technical and procurement guidance · 10 August 2026

Steel Space Frame

Steel space frames are three-dimensional member-and-node systems whose geometry, node technology, member buckling, erection sequence, tolerances, drainage and coating access must follow an engineered model and approved fabrication data.

02Product form

Specifications and dimensions

  • Approved member geometry, fabrication tolerances, hole classes, camber and component identification
  • Shop assemblies or transport segments matched to shipping, lifting and erection constraints
  • Surface preparation, coating system, dry-film thickness, fire protection and repair procedure

Standards and supply condition

  • Project structural design and execution standards with approved drawings govern the finished system
  • ISO 3834 quality requirements or the specified equivalent govern fusion-welding quality management

Manufacturing and processing

  • Purchased plate and sections are identified, cut, drilled, formed and assembled under controlled drawings and material traceability.
  • Qualified welding, dimensional inspection, NDE, surface preparation, coating, marking and sequenced packing complete fabrication.

Typical applications

  • Stadiums and exhibition halls
  • Airport terminals and atriums
  • Industrial and public long-span roofs

Quality and acceptance controls

  • Control approved drawings, revision status, material traceability and component identification through fabrication.
  • Review WPS/PQR, welder qualifications, weld inspection, NDE acceptance and dimensional inspection records.
  • Inspect bolt holes, trial assembly where required, coating preparation and thickness, packing marks and erection sequence.

Include in your RFQ

  • Project location, governing design code, use and design-life basis
  • Approved geometry, grid, elevations, loads and interface drawings
  • Material grades, product standards, connection and bolt requirements
  • Fabrication standard, welding quality level, NDE and inspection plan
  • Corrosion category, surface preparation, coating and fire protection
  • Supply boundary, erection responsibility, packing sequence, destination and schedule

Selection limits

  • Supply content does not include licensed structural design for the buyer's jurisdiction unless expressly contracted through qualified parties.
  • Final member sizes, connections, fire protection and erection stability must follow approved project engineering, not catalogue examples.

10 August 2026

Sources and technical review

01
ISO 3834-1:2021 Quality Requirements for Fusion Welding

International Organization for Standardization · Edition 3, 2021

02
Steel Construction Manual

American Institute of Steel Construction · 16th edition overview

RFQ support

Steel Space Frame

Steel space frames are three-dimensional member-and-node systems whose geometry, node technology, member buckling, erection sequence, tolerances, drainage and coating access must follow an engineered model and approved fabrication data.

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