What is a pre-engineered steel building?
Pre-engineered steel buildings are structural concepts composed of primary members, secondary members, and roof/wall sheeting connected together with various components. These buildings are custom-designed to be light in weight and high in strength.
PEBs offer flexible solutions with low cost, high durability, and fast erection. Common uses include:
Primary Members: Main load-carrying frames including columns and rafters.
Secondary Members: Cold-formed steel purlins, girts, and bracing with minimum 345 MPa yield strength.
Roof & Wall Panels: Galvanized steel panels (0.3mm to 0.6mm thick) with anti-corrosion coatings.
The fabrication process follows strict international guidelines, including material verification, CNC plate processing, automated welding, and shot blasting (Grade SA 2.5).




| Components | Specifications | Min Yield Strength | Applicable Code |
|---|---|---|---|
| Built-up Plates | GB/T1591-2008 | 34.5 kN/cm² | CISA Latest Edition |
| Hot Rolled Beams | GB/T11263-2010 | 23.5 kN/cm² | GB50017-2017 |
| Cold Form Galvanized | GB/T 2518-2008 | 45.0 kN/cm² | GB50018-2002 |
| Roof/Wall Panels | GB/T12754-2006 | 34.5 kN/cm² | CISA Latest Edition |
| High Strength Bolts | GB/T 1228-2006 | Ft = 30.3 kN/cm² | JGJ81-2002 |



