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Hot-Dip Galvanized Steel Structure

A hot-dip galvanized steel structure features zinc-coated framing that provides superior corrosion resistance in harsh environments. The molten-zinc bath creates a metallurgical bond, delivering decades of maintenance-free protection against rust, moisture, and chemical exposure. Ideal for outdoor warehouses, coastal plants, and agricultural facilities, these pre-engineered buildings ensure long-term structural integrity with minimal lifecycle costs.

Product Specification

Parameter	Specification / Description
Main Frame	Material Q345B / Q390 / Q420 high-strength structural steel
Secondary Frame	Q235B purlins, bracing, girts, and tie beams
Column Type	Welded H-section or box-section columns
Beam Type	Welded H-section or truss beams for heavy spans
Clear Span Width	18 – 48 meters (customizable up to 60 m)
Building Height	8 – 30 meters (eave height)
Crane Capacity	Overhead bridge cranes up to 100 tons
Crane Runway Beam	Heavy-duty crane girders with rail clips and bumpers
Roof System	High-ribbed steel sheets with insulation (PU / Rockwool / Fiberglass)
Wall System	Sandwich panels or corrugated steel cladding
Connection Method	High-strength friction-grip bolts (Grade 10.9) + field welding where specified
Floor System (if multi-storey)	Composite steel deck with concrete topping
Wind Load Resistance	Up to 1.0 kN/m² (design per local code)
Seismic Design	Up to 9-degree seismic fortification (per GB 50011 / IBC)
Live Load Capacity	Floor: 5 – 15 kN/m²; Roof: 0.5 – 2.0 kN/m²
Surface Protection	Shot blasting + epoxy zinc-rich primer + polyurethane topcoat (or hot-dip galvanized)
Fireproofing	Intumescent coatings or fire-rated board encasement (up to 3 hours)
Design Life	50+ years

Product Advantages


Rapid project delivery	Superior strength with less material
All components are shop-fabricated to exact dimensions, then shipped for bolted on-site assembly. This parallel processing cuts total construction time by 30–50% compared to cast-in-place concrete, enabling faster occupancy and quicker return on investment for industrial and commercial projects.	High-strength steel offers an exceptional strength-to-weight ratio, allowing clear spans over 60 meters without intermediate columns. This creates uninterrupted floor space for heavy machinery, high-bay storage, or flexible production lines, while reducing foundation loads and overall material consumption.

Seismic resilience and weather resistance	Scalable and adaptable design
Ductile steel frames absorb and dissipate seismic energy through controlled yielding, meeting Zone 8–9 earthquake standards. Galvanized or painted protection systems resist humidity, salt spray, and temperature extremes, ensuring structural performance in coastal, desert, or high-wind regions.	Modular bay spacing and bolted connections simplify future expansions,add bays, mezzanines, or even extra floors with minimal downtime. Interior layouts can be reconfigured as operational needs evolve, making steel buildings suitable for warehouses, workshops, offices, and agricultural shelters.

Why Choose Yumisteel?

1. In-House Manufacturing

We handle everything from steel processing to panel production in our own factory. This keeps quality consistent and delivery times shorter.

2. Custom Engineering

We design each building to match your needs, whether it is specific column spacing, crane loads, or local weather conditions and building codes.

3. Integrated Production Line

Our workshop is equipped with a rock wool panel production line, 6-meter bending and shearing machines, and CNC systems for cutting, welding, and assembly.

4. Quality Assurance

We use materials that meet international standards. Every weld and component is checked before it leaves our factory.

5. One-Stop Solution

We supply everything you need from one place, including structural steel, sandwich panels, fasteners, accessories, and erection drawings.

6. Professional Drawings

We provide stamped engineering drawings and shop drawings with foundation plans, frame layouts, and clear assembly instructions.

7. On-Time Delivery

We plan production and logistics carefully so your building package arrives when we say it will.

8. Proven Track Record

We have been in the steel structure and wall panel business for years, with projects completed in industrial, commercial, and agricultural fields around the world.

Yumisteel provides dedicated technical support throughout the entire building cycle ,from pre-construction to manufacturing.

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