Prefab Steel Structure Warehouse with Large Span and Multi-Floor Design
| 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 |
| Parapet Wall | As Requested |
- Light weight construction with high strength and large span capability
- Short construction period reduces investment costs
- Easy to relocate and environmentally friendly with recyclable materials
- Note: Requires additional fireproofing and not recommended for extreme cold environments
| Item | Specification |
|---|---|
| Structure Type | Portal frame structure, truss frame, flat frame structure |
| Length | 20m~200m |
| Width | 20m~50m |
| Eave Height | 8m~30m |
| Roof Slope | 10% or flat |
| Steel beam & Column | H-section steel, truss steel, steel tube, latticed steel, cross-section steel |
| Roof & Wall insulation panel | Steel galvanized cladding sheet, sandwich panel |
| Door | Sliding door, folding door, roller shutter door |
| Window | PVC fixed window and aluminum alloy window |
| Anti-corrosion for steel structure | Painting or Hot dip galvanized |
Qingdao Ruly Steel Engineering Co., Ltd is a professional steel structure fabrication and engineering company located in Qingdao, China. We integrate steel structure design, research and development, manufacturing and installation.
Our project portfolio includes prefabricated steel workshops, warehouses, logistics parks, high-rise residential buildings, exhibition centers, stadiums, airport stations, bridges, power plants, chemical plants, and oil & gas facilities.
Our steel structure processing plant covers 35,000 square meters with 20,000 square meters of plant space. With over 100 employees, our monthly production capacity exceeds 1500 tons of steel structures.
We are certified with ISO9001:2008 quality management system, ISO14001:2004 environmental system, GB/T28001:2001 occupational health system, ASTM certification, and international SGS product certification.
- Structural steel fabrication, painting, galvanizing, and pre-assembly
- Design, fabrication and installation of prefabricated steel structure buildings
- Detailed fabrication drawings based on your architectural plans
- Technical advice for usage, maintenance and improvements
- 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
- 20% magnetic powder testing
- Third-party inspection assistance available
- Shot blasting grade SA 2.5
- Paint primer applied within 5 hours after shot blasting
- Dry Film Thickness (DFT) >75UM
- Pre-assembly testing of connection details
Our packaging process ensures safe transportation:
- Steel components are secured on pallets with steel ropes
- Pallets are lifted by gantry crane while being positioned into containers by forklift
- Additional securing with steel ropes prevents movement during transit
For each project, we provide:
- Preliminary layout drawings
- 3D Tekla models
- Detailed installation drawings
- Expert Design Team: We create custom drawings or calculate steel quantities based on your specifications
- Skilled Fabrication: Advanced equipment and customized production schedules for each project
- Comprehensive Service: Integrated solutions based on extensive project experience
- Quality Assurance: Dedicated QC team ensures products meet your requirements
- After-Sales Support: Ongoing maintenance advice and technical support for steel components
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.