Portal Frame Prefab Pre Assembled Steel Workshop Building
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 |
| Parapet Wall |
As Requested |
Key Advantages
- Fast construction speed: Factory-manufactured components enable simple on-site installation, significantly reducing construction time.
- Exceptional durability: Advanced anti-corrosion treatments and high-strength galvanized steel ensure long service life.
- Construction flexibility: Adaptable to various complex construction environments and conditions.
- Superior quality control: Factory fabrication and testing guarantee precision and reliability.
- Excellent seismic performance: High strength and ductility of steel provide superior earthquake resistance.
- Eco-friendly solution: Zero-waste production reduces construction waste and environmental impact.
Material Specifications
| Items |
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 |
| Window |
Aluminium Alloy Window / PVC Window |
| Door |
Sliding Sandwich Panel Door / Rolling Metal Door / Personal Door |
| Downspout |
PVC |
| Structure Usage |
Up to 50 years |
| Finishing Options |
Vast array of colors and textures available |
| Paint Options |
Alkyd painting, two primary painting, two finish painting (gray paint, red paint, white paint, epoxy zinc etc.) Or Galvanized |
Service Advantages
- Professional design: Senior design team provides customized solutions and accurate steel usage calculations.
- Exquisite craftsmanship: Skilled production team with advanced equipment ensures excellent quality.
- One-stop service: Comprehensive solutions from design to installation with worry-free project management.
- Strict quality control: International standard compliance ensures product excellence.
- Responsive after-sales: Quick response and comprehensive maintenance services for long-term stability.
Project Cases
| Project Information |
Details |
| Project Usage |
Marriott AC Hotel Guyana & Retail Building |
| Building Structure Type |
3 & 6 Floor Steel Buildings |
| Steel Structure Weight |
860 Ton |
| Raw Steel Material |
ASTM A572 G50 |
| Welding Technique |
AWS-D1.1 |
| Maximum Thickness Of Steel Plate |
65mm |
| Our Work Scope |
Design 3D Tekla Model, Fabrication Drawings, Installation Drawings; Fabrication Steel Structure & Loading |
| Project Location |
Guyana |
| Date |
January, 2023 - March, 2023 |
| Project Information |
Details |
| Project Usage |
Water Treatment Plant |
| Building Structure Type |
Multi-Floor Buildings |
| Steel Structure Weight |
705 Ton |
| Raw Steel Material |
ASTM A36 |
| Welding Technique |
AWS-D1.1 |
| Maximum Thickness Of Steel Plate |
74mm |
| Our Work Scope |
Design 3D Tekla Model, Fabrication Drawings, Installation Drawings; Fabrication Steel Structure & Loading |
| Project Location |
Manila, Philippines |
| Date |
October, 2017 - December, 2017 |
| Project Information |
Details |
| Project Usage |
Logistics Steel Warehouse For High-speed Rail Station |
| Building Structure Type |
Portal Frame Pre-Engineered Steel Buildings |
| Building Size |
Total Area: 24,570 Sqm Length: 270m Width 91m; Eave Height: 11m |
| Steel Structure Weight |
985 Ton |
| Raw Steel Material |
ASTM A36 |
| Our Work Scope |
Design 3D Tekla Model, Fabrication Drawings, Installation Drawings; Fabrication Steel Structure & Roof & Wall Steel Panel |
| Project Location |
Qingdao City, China |
| Date |
February, 2023 - April, 2023 |
About Our Company
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 services.
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 35,000 square meter facility includes 20,000 square meters of plant space with over 100 employees. Monthly production capacity exceeds 1,500 tons of steel structures including light/heavy H steel, BOX steel, cross-shaped section steel, large diameter submerged arc straight-weld pipe, steel model structures, C/Z purlins, and machining fitting components.
We maintain ISO 9001:2008 quality management, ISO 14001:2004 environmental system, and GB/T28001:2001 occupational health certifications, along with ASTM and SGS product certifications. Our entrepreneurial philosophy emphasizes quality first, technological advancement, and continuous innovation to deliver optimal solutions for our clients.
Certifications
Our Services
- Structural steel fabrication, painting, galvanizing, pre-assembly
- Design, fabrication and installation of prefabricated steel structures
- Detailed fabrication drawings based on architectural plans
- Technical advice for usage, maintenance and improvements
Quality Control
Raw material quality control
- Thickness tolerance <0.25mm
- Yield and tension strength testing in-house
- Third party inspection certificate
- Supply traceable mill certificate
Structural steel fabrication quality control
- 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 and painting quality control
- 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
Packing And Delivery
- Standard sea freight packaging: Reinforced packaging protects all components during transit
- 40' HQ container loading: Optimized space utilization for efficient transportation
- Professional loading team: Skilled workers using cranes and forklifts follow strict procedures
We provide comprehensive protection from packaging to loading, ensuring products arrive in perfect condition.
Customer Visits
Component Details
Frequently Asked Questions
Q: Are you a manufacturer or trading company?
A: We are a manufacturer. You're welcome to visit our facility anytime to see our quality control processes and production capabilities.
Q: How competitive are your prices?
A: We offer the best price for equivalent quality and the best quality for comparable prices, working to reduce your costs while ensuring product excellence.
Q: Can you provide installation services?
A: We provide detailed installation drawings and can send engineers or a complete installation team upon request.
Q: Do you accept container loading inspection?
A: Yes, we welcome inspectors at any stage of production, including during container loading.
Q: Do you offer design services?
A: Yes, we provide complete design solutions using AutoCAD, PKPM, MTS, 3D3S, Tarch, and Tekla Structures for complex industrial buildings.
Q: What is your typical delivery time?
A: Delivery time depends on order quantity, typically 40 days after deposit receipt to the nearest Chinese seaport.
Q: How can I get a project quotation?
A: Contact us via email, phone, WhatsApp, or Viber - we respond within 8 hours to all inquiries.
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