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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