45m Span Prefabricated Steel Structure Factory Building with Q355 Steel & Custom Crane Options
Prefabricated steel structure factories offer cost-effective, sustainable building solutions with large clear spans up to 45 meters. These buildings feature prefabricated components that enable rapid on-site assembly, reducing labor costs and construction time while minimizing material waste.
| Component | Material & Specifications |
|---|---|
| Column | Q355, Q235 H-steel; Box column available |
| Rafter, Beam | Q355, Q235 H-steel |
| Surface Processing | Epoxy zinc-rich primer + epoxy mica intermediate paint or Hot dip galvanization |
| Component | Material & Specifications |
|---|---|
| Purlin | Q355B C/Z steel section, galvanized |
| Angle Brace | Q235B L-steel |
| Cross Bracing | Q235B round bar, L-steel |
| Tie Bar | Q235B round pipe |
| Batter Brace | Q235B round bar |
| Component | Material & Specifications |
|---|---|
| Roof Panel | Q235B Steel |
| Gutter | Q235B Steel |
| Down Spout | Q235B Circular Steel Pipe |
| Steel Flashing & Cover | Q235B Round Bar |
| Component | Material & Specifications |
|---|---|
| Wall Panel | Insulated sandwich panel (PU, rock wool, glass fiber, EPS) with steel sheet sides; Brick wall (client-provided) |
| Door | Roller door for truck (custom size), Sliding door for truck (custom size), Access door (steel, glass, etc.) |
| Window | PVC or Aluminum frame (Fixed, swing, sliding, louver) |
| Steel Flashing & Cover | Steel sheet end cover and corner cover |
Accessories and fasteners include anchor bolts, chemical bolts, high strength bolts, ordinary bolts, self-drilling screws, and rivets.
Optional crane systems available: 5T, 6T, 10T, 16T, 30T capacities.
- Large clear span up to 45m with H-section steel columns and beams
- Strict quality control with factory-manufactured building members
- Low maintenance cost with high-quality paint systems and durable materials
- Architectural versatility supporting canopies, curved eaves, concrete walls, and various roof options
- Reduced construction time through prefabricated components and bolt-together assembly
- Inquiry and requirement analysis
- Custom design and detailed quotation
- Project approval and manufacturing
- Shipping and logistics coordination
- Installation support with construction drawings, videos, and on-site guidance
- Project completion and handover
Our manufacturing processes are certified with CE and ISO9001 standards, ensuring strict quality control throughout cutting, welding, bending, shot blasting, and packaging operations.
We provide comprehensive pre-sale services including plan drawings, budget estimates, and professional recommendations based on local site conditions. After-sale support includes detailed construction drawings, production updates, quality guarantees, and optional on-site installation teams.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.