Prefab Steel Warehouse with Q235B Q355B Material Fast Installation

This pre-engineered steel building features modern technology with complete factory design and on-site assembly using bolt connections (no welding required). The efficient design can be up to 30% lighter than conventional steel buildings, reducing material costs while maintaining structural integrity.

• Main Steel Frame: Q345B (S355JR) or Q235B(S235JR) welded/hot rolled H section steel with hot dip galvanized or painted surface
• Supporting System: C/Z section steel roof and wall purlins, steel rod bracing, angle steel supports
• Roof & Wall System: Colorful corrugated steel sheets (0.3-0.8mm) or sandwich panels (50-150mm) with EPS, Rock Wool, Fiberglass, or PU insulation
• Accessories: Sliding/rolled doors, aluminum/PVC windows, PVC downspouts, turbine ventilators, FRP/PC skylights

• Fast construction speed: Factory prefabrication enables simple on-site installation
• Construction flexibility: Adaptable to various complex environments
• High engineering quality: Precise factory manufacturing with strict quality control
• Superior seismic performance: Excellent earthquake resistance from steel strength and ductility
• Eco-friendly construction: Zero-waste production reduces environmental impact

• Professional customized design with steel usage calculations
• Skilled production using advanced equipment
• Comprehensive solutions from design to installation
• Strict adherence to international quality standards
• Responsive after-sales and maintenance support

• Raw material testing with thickness tolerance <0.25mm and strength verification
• 100% dimension testing with 20% ultrasonic and magnetic powder welding tests
• Surface treatment to SA 2.5 shot blasting grade with DFT >75UM
• Pre-assembly testing of all connection details

• Reinforced packaging for all components
• Optimized 40' HQ container loading
• Professional loading team using proper equipment