Large Span Prefab/Prefabricated Building Steel Structure Warehouse
Industrial-grade steel buildings designed for durability, flexibility, and rapid construction.
Product Specifications
| Attribute | Value |
| Raw Steel Material | Q235B, Q355B, ASTM A36 |
| Application | Steel Workshop, Steel Structure Platform, Structural Roofing, Frame Part |
| Surface Treatment | Painting or Hot-DIP Galvanized |
| Service Life | 50 Years |
| Wall and Roof | Steel cladding sheet, Sandwich Panel |
| Columns & Beams | H-Section Steel |
| Shot Blasting Level | SA 2.5 |
| Certification | CE, AISC, SGS, BV, ISO, GB |
| Installation | Engineer Guidance on Site |
| Drawing | CAD, TEKLA, 3D Model, PKPM, BIM |
| HS Code | 9406900090 |
| Transport Package | Standard Export Package or Customer's Requirement |
| Production Capacity | 30000ton/Year |
| Features | Prefab Steel Structure, Large Span, Multi-Floor |
| Connection Form | Bolt Connection |
Key Features
- High strength and durability to withstand environmental conditions and natural disasters
- Modern aesthetic with customizable design features
- Environmentally sustainable construction with energy efficient materials
- Cost-effective solutions with rapid construction timelines
Material Specifications
| Component | Specification |
| Main Steel Frame (Column) | Q235, Q355 Welded H Section Steel |
| Main Steel Frame (Beam) | Q235, Q355 Welded H Section Steel |
| Secondary Frame (Purlin) | Q235 C and Z purlin |
| Knee Bracing | Q235 Angle Steel |
| Tie Bar | Q235 Circular Steel Pipe |
| Bracing | Q235 Round Bar |
| Column and Horizontal Bracing | Q235 Angle Steel, Round Bar or Steel Pipe |
| Roof Panel | EPS Sandwich Panel / Fiber Glass Sandwich Panel / Rock Wool Sandwich Panel / PU Sandwich Panel / Steel Sheet |
| Wall Panel | Sandwich Panel / Corrugated Steel Sheet |
| Structure Usage | Up to 50 years |
| Paint Options | Alkyd painting, two primary painting, two finish painting (gray paint, red paint, white paint, epoxy zinc etc.) Or Galvanized |
Project Showcase
Project Usage: High-End Intelligent Hydraulic Machine Tool Equipment
Size of the plant: Total Area 9,702 Sqm
Steel Structure Weight: 630Ton
Project Usage: Logistics Steel Warehouse For High-Speed Rail Station
Size of the plant: Total Area 24,570 Sqm
Steel Structure Weight: 985Ton
Project Usage: Textile Manufacturing Machine Tool Equipment
Size of the plant: Total Area 6,615 Sqm
Steel Structure Weight: 750Ton
About Qingdao Ruly Steel Engineering Co., Ltd
Qingdao Ruly Steel Engineering Co., Ltd is a professional steel structure fabrication and engineering company, located in Qingdao, China, which integrates steel structure design, research and development, manufacturing and installation.
Our company's steel structure processing plant covers 35,000 square meters with monthly production capacity exceeding 1500 Tons. We have three subordinate steel structure companies with ISO9001, ISO14001, and GB/T28001 certifications, along with ASTM and SGS product certifications.
Our Certifications
Our Services
- Structural steel fabrication, painting, galvanizing, pre-assembly
- Designing, fabrication and installation for Prefabricated steel structure buildings
- Deepen or design fabrication drawings based on your architectural drawings
- Technical advice for usage, maintenance and improvements
Quality Control
- Raw material quality control: Thickness tolerance <0.25mm, yield and tension strength testing, third party inspection
- Fabrication quality control: 100% dimension testing, 20% welding line ultrasonic testing, magnetic powder testing
- Surface treatment: Shot blasting grade Sa. 2.5, paint primer within 5 hours, Dry Film Thickness >75UM
- Pre-assembly testing of all connection details
Packing and Transport
All structure components, panels, bolts and accessories are packed with standard export packaging suitable for ocean transportation in 40'HQ containers. Loading is performed by skilled workers using cranes and forklifts to prevent damage.
Component Examples
Frequently Asked Questions
Are you a manufacturer or trading company?
We are a manufacturer. You are welcome to visit our factory at any time to see our quality control processes and get the most competitive pricing.
Is your price competitive?
We offer the best price for equivalent quality and the best quality for equivalent prices. We work to reduce your costs while guaranteeing product quality.
Can you provide installation support?
We provide detailed installation drawings for free and can send engineers or a complete installation team upon request.
Do you accept container loading inspection?
Yes, you may send an inspector at any time during production or loading.
Do you offer design services?
Yes, we provide complete design solutions using AutoCAD, PKPM, MTS, 3D3S, Tekla Structures and other professional software.
What is the delivery time?
Delivery time depends on order quantity, typically 40 days to nearest Chinese seaport after receiving deposit.
How can I get a quotation?
Contact us by email, phone, WhatsApp or other methods for a response within 8 hours.
Why Choose Us?
- Professional design team capable of custom solutions
- Skilled fabrication team with advanced equipment
- One-stop service for complete project solutions
- Dedicated QC team ensuring product quality
- Comprehensive after-sales service and support
