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Prefabricated Steel Structure Building

A prefabricated steel structure building delivers high-strength, corrosion-resistant frames engineered for rapid on-site assembly. Ideal for warehouses, workshops, and multi-storey complexes, these pre-engineered buildings reduce construction timelines by up to 40%. With bolted connections, modular expansion capabilities, and minimal foundation requirements, they offer durable, cost-effective solutions for diverse industrial and commercial applications.

Prefabricated Steel Structure

Product Specification

Parameter	Specification / Description
Main Frame	Welded H-section steel columns and beams (Q345B / Q235B grade)
Secondary Frame	C/Z purlins, bracing, tie bars, and girts
Roof System	Color-coated steel sheets with insulation (PU / XPS / Rockwool optional)
Wall System	Sandwich panels or corrugated steel sheets
Connection Method	High-strength bolted connections (on-site welding minimized)
Clear Span Width	Up to 60 meters (without intermediate columns)
Building Height	Single-storey: up to 30 m; Multi-storey: up to 8 floors
Crane Capacity	Supports overhead cranes up to 50 tons (customizable)
Wind Load Resistance	Up to 0.8 kN/m² (adaptable to local codes)
Seismic Rating	8-degree seismic design (per GB 50011 or equivalent)
Fire Protection	Intumescent coatings or fire-rated board cladding (Class A/B)
Surface Treatment	Shot blasting + anti-corrosion primer + topcoat (or galvanized)
Design Life	50+ years (with regular maintenance)
Applicable Standards	GB 51022, AISC 360, Eurocode 3, or client-specified codes
Typical Applications	Warehouses, workshops, logistics centers, showrooms, office buildings, aircraft hangars, and multi-storey commercial complexes

Product Adavantages

Faster project completion

Pre-engineered components arrive ready to bolt, cutting on-site construction time by nearly half.

Superior strength-to-weight ratio

High-grade steel supports wide clear spans and heavy crane loads without bulky columns.

Cost-efficient expansion

Modular design allows future bay additions or vertical extensions with minimal disruption.

Weather-resistant durability

Corrosion-protected frames withstand humidity, seismic forces, and high winds for decades.

Product Packing

Steel structure packing uses seaworthy export packaging with steel frames, plywood crates, and corrosion-preventive VCI film. Main members are bundled separately, while small parts go into labeled cartons. Proper packing prevents deformation, rust, and damage during ocean freight, ensuring all components arrive intact for rapid on-site assembly.

Steel structure Packing

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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