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Fire Rated Grade A Large Clear Span Prefab Steel Structure Workshop Factory 60m Width Q355B Portal Frame
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Fire Rated Grade A Large Clear Span Prefab Steel Structure Workshop Factory 60m Width Q355B Portal Frame
| MOQ: | 200 Square Meters |
| Price: | USD 40-75 / Square Meter |
| Standard Packaging: | Primary steel members on steel pallets with VCI anti-rust wrap, secondary members in bundles, panels with PE film protection |
| Delivery Period: | 25-35 working days |
| Payment Method: | T/T 30% advance, 70% before shipment |
| Supply Capacity: | 50000 Square Meters per Month |
Detail Information
Place of Origin
Qingdao, China
Brand Name
KXD
Certification
CE, ISO 9001, Grade A Fire Rating
Model Number
KXD-FRW-60M
Main Steel Grade:
Q355B Low-Alloy Structural Steel
Fire Rating:
Grade A, 2-Hour Fire Resistance
Clear Span Width:
60m Single Span (Column-Free)
Crane Capacity:
Up To 20 Ton Overhead Crane
Roof System:
Standing Seam Roof + Skylight Panels
Ventilation:
Automatic Ridge Ventilator + Louver System
Service Life:
50 Years
Gutter System:
Galvanized Steel Internal Gutter
Highlight:
Fire Rated Grade A steel workshop
,Large clear span prefab factory
,Q355B portal frame steel building
Product Description
Fire Rated Grade A Large Span Steel Structure Workshop
A heavy-duty industrial workshop solution combining Grade A fire safety certification with ultra-wide 60m clear span capability. The Q355B portal frame design eliminates interior columns, providing unrestricted workflow for manufacturing, assembly lines, and crane-operated facilities.
Key Advantages
- Grade A Fire Rating: Intumescent fireproof coating achieving 2-hour structural fire resistance, compliant with international industrial safety codes
- 60m Clear Span: Single-span portal frame up to 60m without intermediate columns, maximizing floor layout flexibility
- Q355B Portal Frame: High-strength low-alloy steel with 355 MPa yield strength, optimized for heavy crane loads and wide spans
- Overhead Crane Ready: Crane runway beams and bracket systems pre-integrated for 5T-20T overhead bridge cranes
- Automatic Ventilation: Ridge ventilators with thermostatic control and wall louvers maintain air quality and temperature
Technical Specifications
| Component | Specification |
|---|---|
| Main Frame | Q355B Welded H-Section Portal Frame |
| Roof Purlin | Q235B Hot Dip Galvanized C/Z Section |
| Crane Beam | Q355B Welded H-Section with Stiffeners |
| Roof Cladding | 0.6mm Standing Seam Aluminum-Zinc Coated |
| Wall Cladding | 0.5mm Color Steel Corrugated Sheet |
| Fire Coating | Intumescent 2-Hour Fire Rated Paint System |
| Skylight | 1.5mm FRP Translucent Sheet 10% Coverage |
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