Portal Frame Steel Structure Warehouse with Insulation Panels

This portal frame steel structure warehouse features modern insulation panels and is designed for processing sandwich panels. The three-span structure includes one 5T overhead crane per span, with a main steel frame consisting of welded H-shaped steel beams and columns. Roof and wall panels are constructed with rock wool sandwich panels.

Portal frame steel structures are widely used for:

• Large warehouses and factories
• Workshops and industrial sheds
• Garages and hangars
• Office buildings and bridges
• Stadiums and other large structures

Our specialized engineering department has established a comprehensive design system that ensures structural reliability while optimizing material selection and combination. This results in buildings that are not only safe and economical but also architecturally refined.

• Raw material quality control
• Thickness tolerance <0.25mm
• Yield and tension strength testing in-house
• Third party inspection certificate
• Supply traceable mill certificate

• 100% testing dimension tolerance <1mm
• 20% sample welding line ultrasonic testing, no fault, full penetration
• 20% magnetic powder testing, no bubble, no defect, Smooth and Full
• Supply third-party inspection assistance

• Shot blasting grade Sa. 2.5 Metal luster, no rust, no oil dirt, no welding spatter
• Roughness >75um
• Paint primer within 5 hours after shot blasting
• Holiday-free coatings, smooth, No dust
• Dry Film Thickness (DFT) >75UM

Pre-assembly testing the connection details.

All structural components, panels, bolts, and accessories are packed in standard packages suitable for ocean transportation and loaded into 40'HQ containers. Our skilled workers use cranes and forklifts at our factory loading site to ensure products are loaded without damage.