Fast-Install Prefabricated Factory Building, Q355 Steel Structure Manufacturing
Fast-Install Prefabricated Factory Building, Q355 Steel Structure Manufacturing
Main Features
A Q355B high-strength steel portal-frame system for large-span factories, heavy-duty workshops and logistics warehouses, with fast bolting-only assembly.
- Q355B (S355JR equivalent) high-strength steel, yield 345 MPa
- Max clear span up to 60 m, column-free interior
- Portal / multi-span rigid frame, column spacing 6–12 m
- Overhead crane capacity up to 50 t (A5/A7 working duty)
- Fully bolted, field-weld-free connections
- Sa2.5 blasting + epoxy-zinc dual-layer coating
- Seismic design per EN 1998; wind load up to 35 m/s
- Roof pitch 5–10%; ventilated ridge option
- Full envelope system: roof/wall panels, insulation, gutters
- Designed to GB 50017 / EN 1993 / EN 1090-2
Technical Specifications
|
Parameter |
Technical Specification |
Applicable Regions |
|
Steel Material |
Q355 High-strength Structural Steel |
Middle East, East Asia, Southeast Asia |
|
Maximum Span |
62 meters without columns |
Large-space Factories |
|
Seismic Resistance |
8-degree Seismic Fortification |
Earthquake-prone Areas |
|
Corrosion Protection |
Hot-dip Galvanizing + Anti-corrosion Coating |
High Humidity Coastal Areas |
|
Installation Speed |
55% faster than traditional methods |
Rapid Construction Needs |
Key Advantages
-
High-strength steel: Q355B sections deliver higher load capacity with lower tonnage than Q235.
-
Large-span design: up to 60 m column-free interior for flexible production line layout.
-
Heavy crane support: overhead cranes up to 50 t for heavy-duty manufacturing.
-
Fast delivery: 30–45 day fabrication and bolting-only site erection.
-
Corrosion protection: Sa2.5 + epoxy-zinc system for C4/C5 coastal and Middle East environments.
-
Certified fabrication: EN 1090-2 + ISO 9001, SGS/BV third-party inspection available.
-
Factory capacity: 100 t workshop crane, 50,000 t/year, 80–90% export share.
-
Proven exports: completed projects across Middle East, Southeast Asia and Africa.
Applications
-
Mechanical processing & assembly workshops
-
Heavy equipment & engineering machinery plants
-
Automotive & vehicle parts factories
-
Mould & hardware manufacturing
-
Steel fabrication & metalworking workshops
-
Shipbuilding & marine equipment yards
-
Logistics & distribution warehouses
-
Cold storage and bulk material warehouses
-
Textile, garment & light-industry plants
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Food & beverage processing facilities
-
Chemical & pharmaceutical workshops
-
Aircraft hangars and maintenance halls
-
Industrial park multi-purpose facilities
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.