Light & Heavy Steel Structure Factory Building Fast Assemble Industrial Prefab Workshops Plants
| Main Structurel Material: | Q355B/ASTM A572 Gr.50/EN S355/JIS SM490 | Secondary Structurel Material: | Q235B / ASTM A36/ EN S235JR / JIS SS400 |
| Other Material: | Q460 / ASTM A572 Gr.65 /EN S460 / JIS SM570 | Column and Beam: | Welded H-section/Hot-rolled H-beam/Box Column |
| Purlin: | C.Z Shape Steel Channel | Roof and Wall panel: | EPS/Rock Wool/PU / PIR Sandwich Panel,Corrugated/Trapezoidal Steel Sheet/Customized |
| Window: | Aluminum Alloy / PVC /Industrial Louver Window | Door: | Sliding/Rolling Shutter/Hinged Steel/Customized Steel Door |
| Customization: | Style / Size (Span, Height, Length) /Color / Material / Crane Capacity | Surface treatment: | Hot-dip Galvanized Zinc-rich Primer + Top Coat Anti-corrosion Coating |
| Seismic and Wind Resistance Rating: | Designed According To Local Seismic Codes/0.3-0.5 Kn/㎡ 0.8-1.0 Kn/㎡ | Project Solution Capability: | CAD Graphic Design, 3D Tekla Modeling Design, Total Solution For Projects,One-stop Steel Structure Solution,Project-based Supply |
| After-sale Service: | Online Technical Support, Onsite Installation,Onsite Training,Onsite Inspection,Installation Drawings Support | Service Life: | 20-50+ Years |
A factory-engineered steel frame system assembled on-site from pre-cut, pre-drilled components. Every member is designed to your exact load and span requirements—no field welding required for primary connections.
Our globally adaptable steel structure workshop is a prefabricated building system designed for international markets, integrating international standards, regional climate adaptation, and local policy compliance. Adopting modular design, it can be quickly adjusted according to the climate conditions (high temperature, low temperature, heavy rain, strong wind) and building codes of different regions. All components comply with international standards (AISC, Eurocode, GB), and can meet the import requirements of various countries, ensuring smooth customs clearance and safe use.
1.Core Material
Main load-bearing parts adopt Q235B/Q355B high-strength steel; optional galvanizing for enhanced corrosion resistance.
2.Dimension Parameters
Span: 10–60m (single/multi-span optional); eave height: 4–15m, customizable for production layout.
3.Load Resistance
Wind load: 0.3–1.0kN/m²; snow load: 0.2–0.8kN/m², adaptable to diverse climates.
4.Fire & Service Life
Fire rating: 0.5–2.5h; 50+ years service life with regular maintenance.
| Parameter | Standard Range | Key Technical Basis |
|---|---|---|
| Frame Type | Portal rigid frame, Multi-span frame, Truss frame | Selected by span, height and load demand |
| Clear Span | Single span: 12–60 m; Multi-span: max 120 m | No inner columns in main production area |
| Bay Spacing | 6 m / 7.5 m / 9 m / 12 m | Matched with crane beam and secondary load |
| Eave Height | Standard: 4.5–20 m; Custom max 30 m | Calculated by equipment & crane hook height |
| Primary Steel Grade | Q355B/Q345B(GB), A572 Gr.50(ASTM), S355JR(EN) | Yield strength ≥345MPa, 0℃ impact energy ≥27J |
| Primary Member | Welded/hot-rolled H-section Web:6–20mm, Flange:10–30mm |
Full penetration welding, UT non-destructive testing |
| Purlin & Girt | Z/C section, 1.5–3.0mm, G550/Q345 galvanized | Max roof spacing 1.5m, wall spacing 1.8m |
| Roof & Wall Cladding | Single PPGI sheet:0.326–0.6mm Sandwich panel:50/75/100/150mm |
Core:EPS/rock wool/PU, optional FM certification |
| Overhead Crane Capacity | No crane / 1t~50t | Comply with ISO 4301 A3-A6 working level |
| Roof Live Load | 0.3–1.0 kN/m² (adjustable) | Conform to GB 50009 & ASCE 7 |
| Design Wind Speed | Max 55 m/s | Adopt local regional wind load standard |
| Seismic Grade | GB I-IV zone, IBC/ASCE SDC A-D | Seismic isolation joint available for high seismic areas |
| Snow Load | 0.15–1.5 kN/m² (regional) | Min roof slope 5°, optimized drainage design |
| Single-phase Building Area | 500–50000 ㎡ | Support later expansion without main structure damage |
| Surface Treatment | SA2.5 shot blasting + 80μm epoxy primer + 60μm topcoat | Total film thickness ≥140μm, salt spray resistance ≥500h |
| Fire Resistance Grade | Fire paint: R15-R60; Rock wool panel: EI30-EI120 | Meet NFPA 13 & GB 50016 fire codes |
| Applicable Design Codes | GB 50017, AISC 360, AS 4100, EN 1993 | Complete structural calculation report provided |
| Production Cycle | 25-45 working days after drawing confirmation | Subject to steel quantity and anti-corrosion process |
- International Standard Compliance: All products comply with AISC (US), Eurocode (EU), BS (UK), and other international building codes, with ISO9001, CE, SGS certifications. Can provide professional test reports and customs clearance documents to ensure smooth import.
- Regional Climate Adaptation: Customized design according to regional climate: high-temperature resistance design for tropical regions, cold-proof and thermal insulation design for frigid regions, wind-resistant and waterproof design for coastal regions, and earthquake-resistant design for seismic zones. Ensure the structure is stable and durable in various harsh climates.
- Global Logistics & Installation Support: Cooperate with reliable international logistics partners, providing door-to-door delivery service. Send professional installation team to the site (or provide remote guidance) according to client needs, familiar with local construction habits and safety standards.
- Multilingual Service & Localization Support: Provide multilingual (English, Spanish, French, Arabic, etc.) design documents, installation instructions, and after-sales service. Familiar with the import policies, tax regulations, and building permits of various countries, providing professional localization guidance.
- Modular & Expandable: Adopt modular design, components are standardized and interchangeable, facilitating transportation and assembly. Support later expansion and reconstruction, adapting to the long-term development needs of global clients.
Engineered to meet the specific structural and operational demands of each industry.
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Heavy Manufacturing & Machining
Fabrication shops, metal processing and machine shops requiring overhead crane access and vibration-resistant floor slabs.
Crane load: 10–50 t · Clear span: 24–60 m · Floor load: 20–80 kN/m²
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Automotive Assembly & Repair
Assembly lines, body shops and fleet maintenance facilities with drive-in access, pit trenches and overhead conveyors.
Clear span: 18–36 m · Eave height: 6–10 m · Roll-up door openings up to 6 m wide
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Electronics & Light Industry
Clean production environments with controlled temperature and humidity; suspended cable trays and cleanroom ceiling support points.
Rock-wool panel: U ≤ 0.35 W/m²K · Hanging load: up to 3 kN/m² from roof structure
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Agri-Processing & Food Factory
Grain processing, slaughterhouses and food packaging plants requiring stainless or epoxy-coated interior surfaces and ventilation openings.
Galvanised interior framing · Anti-condensation liner · HACCP-compatible panel
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Prefab Component & Building Materials Plant
Precast concrete yard, stone cutting workshop or paint shop with heavy floor loads and wash-down drainage.
Column spacing 9–12 m · Floor slab design load up to 50 kN/m²
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Aerospace & Defense MRO
High-bay maintenance hangars and component test facilities requiring large clear heights and precision structural tolerances.
Clear height: up to 20 m · Column plumb tolerance: ±H/1000 · Eave crane: up to 32 t
- Strict quality control: Adhere to international standards (AISC, GB, Eurocode) from material selection to production.
- Professional team: Experienced engineers and technicians provide one-stop technical support.
- Stable supply: Cooperate with well-known steel mills to ensure high-quality raw material supply.
- Mature production: Advanced processing equipment and standardized processes guarantee product precision.
- Perfect after-sales: Timely solve installation and use problems, provide long-term maintenance guidance.
The minimum we need: clear span (width), bay spacing, number of bays, eave height, roof pitch, crane capacity (if any), cladding type preference, country/location (for wind and snow maps) and preferred design code. A simple sketch or dimension table is sufficient.
Yes. Our structural engineers routinely produce designs to AISC 360, AS/NZS 4600, EN 1993-1-1 and local codes for Australia, Southeast Asia, the Middle East, Africa and South America. The structural calculation report is supplied in English.
50-tonne double-girder EOT cranes are routinely designed into our workshop structures. For cranes above 32 t, the column section and runway beam are upgraded to heavier plate-girder sections and the foundation is designed with increased base plate and anchor bolt size. Duty cycle up to A6 (ISO 4301) is supported.
Typical timeline: design approval 7–14 days → fabrication 25–45 days → shipping 15–35 days (depending on destination port). Total FOB lead time is 35–65 working days after signed contract. Sea freight transit adds 10–35 days depending on destination.
Yes. Rock-wool sandwich panels (80–150 mm) are recommended for hot climates (reduces HVAC load by ~40% vs. single-skin) and cold climates. PU-core panels are used where higher U-value performance (U ≤ 0.25 W/m²K) or fire resistance is required. EPS panels are available for budget-conscious projects in mild climates.
Yes — provided the original design included end-frame detailing for future bay addition (we include this by default). New bays bolt onto existing end columns and rafter connections with no modification to the existing structure. We can supply expansion-bay drawings with the original order.
We supply detailed erection manuals with 3D exploded-view drawings and step-by-step bolt torque tables. Optional on-site supervision by our experienced erection supervisor is available for projects in Southeast Asia, the Middle East and Africa. Remote video guidance is included free of charge.
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