Metal Construction Prefab/Prefabricated Design Frame Steel Structure
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 |
Product Features
- Light weight, high strength, large span construction
- Short construction period reduces investment costs
- Easy to move and recycle with minimal environmental impact
- Note: Requires fireproofing treatment and not recommended for extremely low temperature areas
Material Specifications
| 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 |
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 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/mining facilities.
Our 35,000 square meter facility includes 20,000 square meters of plant space with over 100 employees. Monthly production capacity exceeds 1500 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 ISO9001, ISO14001, and GB/T28001 certifications, along with ASTM and SGS product certifications. Our company holds export, design, installation and consultation rights from China's Ministry of Foreign Trade and Economic Cooperation.
Certifications
Our Services
- Structural steel fabrication, painting, galvanizing, and pre-assembly
- Design, fabrication and installation of prefabricated steel structures
- Detailed fabrication drawings based on your 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 certificates
- Traceable mill certificates
Structural Steel Fabrication Quality Control
- 100% dimensional tolerance testing (<1mm)
- 20% sample welding line ultrasonic testing (full penetration, no faults)
- 20% magnetic powder testing (no bubbles or defects)
- Third-party inspection assistance available
Surface Treatment Quality Control
- Shot blasting grade SA 2.5 (metal luster, no rust/oil)
- Paint primer applied within 5 hours after blasting
- Holiday-free coatings with smooth finish
- Dry Film Thickness (DFT) >75UM
Frequently Asked Questions
Are you a manufacturer or trading company?
We are a manufacturer with our own factory. You're welcome to visit our facility to see our production processes and quality control measures firsthand.
How competitive are your prices?
We strive to offer the best value - either the best price for equivalent quality or the best quality for equivalent pricing. Our goal is to maximize your investment.
Do you provide installation services?
We provide detailed installation drawings at no cost. We can also send engineers or complete installation teams upon request.
Do you allow production inspections?
Yes, we welcome inspectors at any stage of production, including container loading inspections.
Do you offer design services?
Yes, our design team can create complete solutions using AutoCAD, PKPM, MTS, 3D3S, Tarch, Tekla Structures (Xsteel) and other professional software.
What is your typical delivery time?
Delivery time varies by order quantity, but typically takes about 40 days to the nearest Chinese seaport after receiving deposit.
How can I request a quotation?
Contact us via email, phone, WhatsApp, Viber or other methods. We respond to all inquiries within 8 hours, 24/7.
Packaging & Shipping
Our packaging process: Steel components are secured on pallets with steel ropes, lifted by gantry cranes, and carefully loaded into containers by forklifts. Additional securing ensures safe transport.
Design Capabilities
For each project, we provide preliminary layout drawings, 3D Tekla models, and installation drawings to ensure project success.
Why Choose Us?
- Professional design team capable of custom solutions or quantity calculations
- Skilled fabrication team with advanced equipment and project-specific schedules
- One-stop service with integrated project proposals
- Dedicated QC team ensuring product and service quality
- Comprehensive after-sales support including maintenance guidance
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