Sebenza Steel — Right Steel. Right Time.

Sebenza Structural Steel

Structural steel, engineered for the build.

We supply Grade 350WA / S355JR structural steel for commercial and industrial projects across Australia: ISO-certified fabrication, Lysaght / BlueScope materials, and Australian engineering expertise behind every order.

Make an enquiry Our supply chain

Our Supply Chain

A supply chain built on certified quality

Every length of steel we supply is backed by certified manufacturing, documented specifications, and full traceability.

Stacked structural steel tube ready for supply
01

ISO-accredited fabrication

Our fabrication partner operates to ISO accreditation under a certified quality management system. Every component is produced with full traceability from order to delivery. Mill certificates and compliance documentation are supplied as standard, not on request.

02

Grade 350WA / S355JR steel

We supply solid I-beam structural steel to Grade 350WA (Australian Standard AS/NZS 3678) and S355JR (European Standard EN 10025). These are equivalent international grades, both delivering a minimum yield strength of 355 MPa and meeting Australian structural engineering requirements.

03

Lysaght & BlueScope materials

Roof sheeting and purlins are supplied by Lysaght and BlueScope. Australian-made materials trusted across the construction industry for consistent quality, dimensional accuracy, and long-term performance.

04

Australian engineering

Our structural supply is backed by Australian engineering expertise. We work with local engineers who understand Australian Standards, Australian wind regions, and the specific requirements of construction in Australian conditions.

Engineer inspecting a fabricated steel weld

Projects & Capability

Built for the demands of commercial and industrial construction

We supply structural steel for projects across the commercial, industrial, and resources sectors where specification accuracy, documentation, and reliable delivery are non-negotiable.

  • Commercial construction : Warehouses, factories, office buildings, retail developments, and mixed-use commercial projects.
  • Industrial facilities : Manufacturing plants, processing facilities, logistics hubs, and operational infrastructure.
  • Mining & resources : Site infrastructure, workshops, and operational buildings for mining services companies and resource sector contractors.
  • Warehousing & logistics : Large-span storage and distribution facilities. Portal frames, structural columns, and full building supply.
  • Infrastructure : Support structures, gantries, and site facilities for civil and infrastructure contractors.
  • Agricultural processing : Large-scale agricultural processing and storage facilities requiring structural steel to industrial specification.

Case Studies

Coming soon

As projects complete, we will showcase them here with detail on the scope, materials and outcomes. Have a project in mind? Get in touch.

Enquiries

Tell us about your project

Share a few details and our team will be in touch to discuss your structural steel requirements.