Q355 Q235 Custom Pre-Fabricated Steel Structure Workshop Building with 60m Clear Span and 50-Year Design Life
Our Q355 and Q235 industrial steel building systems offer fully customizable pre-fabricated steel structure workshops with professional on-site guidance. These versatile structures provide reliable solutions for various industrial, commercial, and agricultural applications.
- Complete customization options including colors, door types, and dimensions
- Durable roofing choices: corrugated steel sheet or insulated sandwich panels
- Sturdy steel structure frames ensuring long-term durability
- Suitable for auto service shops, greenhouses, warehouses, and industrial buildings
| Component | Material Specification |
|---|---|
| Column | Q355B Welded H Column |
| Rafter, Beam | Q355B Welded H Column |
| Surface Processing | Epoxy zinc-rich primer + epoxy mica intermediate paint OR Hot dip galvanization |
| Component | Material Specification |
|---|---|
| Purlin | Q235B, C Section Steel, Galvanization 80-275g/m² |
| Angle Brace | Q235B, L-Steel |
| Cross Bracing | Q235B Round Bar, L-Steel |
| Tie Bar | Q235B, Round Pipe |
| Batter Brace | Q235B, Round Bar |
| Component | Specifications |
|---|---|
| Roof Panel | Insulated sandwich panel (PU, rock wool, glass fiber, EPS) with steel sheet sides, thickness 50mm/75mm/100mm, steel thickness 0.4mm/0.5mm/0.6mm OR Steel plate, thickness 0.4mm-0.6mm |
| Gutter | Galvanized steel gutter, thickness 2.0mm/2.5mm/3.0mm OR Painted pre-finished steel gutter, thickness 0.4mm/0.5mm/0.6mm |
| Down Spout | PVC Pipe |
| Options | Roof skylight 1.8mm PVC sheet and stainless steel ventilator |
| Component | Specifications |
|---|---|
| Wall Panel | Insulated sandwich panel (PU, rock wool, glass fiber, EPS) with steel sheet sides, thickness 50mm/75mm/100mm, steel thickness 0.4mm/0.5mm/0.6mm OR Steel plate, thickness 0.4mm/0.5mm OR Brick wall (client provided) |
| Door | Roller door for truck (custom size), Sliding door for truck (custom size), Access door, steel door, glass door |
| Window | PVC or Aluminum frame, Fixed, swing, sliding, louver options, size customized |
Steel structure buildings, hangar kits, storage sheds, warehouses, workshops, processing plants, and construction buildings.
Logistics warehouses, apartment buildings, office buildings, hotel structures, mezzanine floors, shops, aircraft hangars, villas, platforms, arenas, churches, shopping malls, water towers, and structural frames.
Hay sheds, machinery sheds, poultry houses, farm buildings, barns, and livestock shelters.
- Free design architectural drawings (2D & 3D)
- Structure frame design life exceeding 50 years
- Wind resistance, snow load, and earthquake-resistant design
- Multiple international standards compliance: EN10902, AS4100, AISC-360-05
- Clear span capability up to 60 meters
- High strength steel materials: S355JR, Q355B, GR50, AS3678-350
- Steel portal frame structure with H Beam and I beam
- Roof and wall cladding insulation & single skin options
- Industrial gates, entrances, and windows included
- Bolt assembly system - no on-site welding required
- Hot dip galvanized and painted structure frame options
- Delivery within 4-6 weeks
- Full customization available
- Steel structure components packed in bundles with plastic sheet wrapping
- Roof and wall panels bundled and plastic-wrapped
- Hardware and accessories packed in organized boxes
- All packages clearly labeled with contents and destination information
- Shipping arranged by our company or customer's preferred agent
- Shipping method determined by product size and weight
- Customized shipping quotes based on destination and method
- Complete documentation provided for customs clearance
Q: Are you manufacturer or trading company?
A: We are a manufacturing factory located in Qingdao city, near Qingdao port, with 3 workshops covering steel structure to wall and roof sheet production.
Q: How about your quality control?
A: Certified with ISO & CE standards. All products undergo comprehensive quality control including cutting, bending, welding, shot blasting, ultrasonic testing, and proper packaging.
Q: Is third party inspection available?
A: SGS, BV, TUV, and other third-party inspections available upon client request.
Q: How about your delivery time?
A: Standard delivery within 30-45 days, with partial shipment options for large orders.
Q: What about the installation?
A: We provide detailed installation drawings and supervisor guidance. Turnkey project completion available for specific projects.
Q: How to ensure the product you supply is what we want exactly?
A: Our sales and engineering teams provide customized solutions with proposal drawings, shop drawings, 3D models, material photos, and completed project references.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.