Multi-story Prefabricated Steel Structure Office Building
High-strength heavy-duty load metal building materials designed for rapid assembly and long-term durability.
Product Overview
Prefabricated steel structure buildings utilize modular integrated design, with entire rooms or floors manufactured as standardized modules. The complete process—including frame, enclosure, piping, interior decoration, doors, and windows—is integrated in the factory. Modules are quickly assembled using specialized bolts, achieving an assembly rate exceeding 95% for rapid "building block" construction.
Each module undergoes rigorous quality inspection to ensure precise dimensions and controllable quality. The number of modules can be flexibly combined, and building layout and unit types can be customized to meet specific requirements for single-story, multi-story, high-rise apartments, and hotels.
Modules feature integrated insulation, soundproofing, and fireproofing. Interior decoration can be customized to eliminate the need for on-site secondary decoration, allowing for immediate use upon delivery.
Technical Specifications
Main Steel Structure
- Column: Q235B/Q355 welded H-section steel; optional H-shape, box, steel pipe, hot-rolled steel
- Beam: Q235/Q355 welded H-section steel; Q235B/Q355 H-beam
- Surface treatment: Painted, Galvanized
Secondary Framing Elements
- Purlin: C/Z section steel
- Tie bar: Q235B round tube
- Brace: Round steel
- Horizontal/column bracing: Round steel (optional angle steel/steel pipe)
- Knee brace: Q235 angle steel
Cladding System (Roof & Wall)
- Roof panel: Color steel sheet, sandwich panel (EPS/Fiber Glass Wool/Rock Wool/PU), color steel sheet with fiberglass insulation
- Wall: Color steel sheet, sandwich panel, brick wall, corrugated
| Items |
Specification |
| Main Steel Frame |
Column: Q345, Q355 Welded H Section Steel
Beam: Q345, Q355 Welded H Section Steel |
| Secondary Frame |
Purlin: Q235 C and Z purlin
Knee brace: Q235 Angle Steel
Tie rod: Q235 Circular Steel Pipe
Brace: Q235 Round Bar
Vertical & Horizontal support: Q235 Angle Steel, Round Bar or Steel Pipe |
| Cladding System |
Roof panel: EPS Sandwich Panel / Glass Fiber Sandwich Panel / Rock Cotton Sandwich Panel / PU Sandwich Panel / Steel Sheet
Wall panel: Same with the roof panel |
| Accessories |
Window: Aluminum Alloy Window / PVC Window
Door: Sliding Sandwich Panel Door / Rolling Metal Door / Personal Door
Rainspout: PVC |
| Live load on Roof |
50kg/Sqm (Color steel panel surrounded) |
| Wind Resistance Grade |
According to local climate |
| Earthquake-resistance |
8 Grades |
| Structure Usage |
Up to 50 years |
| Finishing Options |
Vast array of colors and types available |
| Paint Options |
Alkyd painting, two primary painting, two finish painting (gray paint, red paint, white paint, epoxy zinc etc.) Or Galvanized |
Packaging & Shipping
Packaging: Container/pallet packing (or bulk per request) to protect surface paint/zinc; components are numbered per drawings for easy installation.
Shipping: Secure products on pallets → load into containers → ship to nearest port; provide detailed packing list for each container.
