Steel Structure Buildings - Prefabricated Houses, Barns, Metal
Garages, Warehouses & Workshops
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 Customer Requirements
- Strength and durability: High-strength steel structures designed to withstand environmental
conditions and natural disasters, ensuring safety and long-term
lifespan.
- Aesthetics and flexibility: Modern appearance with customizable design features to accommodate
various purposes and project requirements.
- Sustainability: Environmentally friendly construction meeting green building
standards with energy-efficient materials and reduced carbon
emissions.
- Cost-effectiveness: Economical solutions with rapid construction capabilities to lower
overall costs and expedite project delivery.
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 |
Project Showcase
High-End Intelligent Hydraulic Machine Tool Equipment
Size: Total Area 9,702 Sqm
Steel Structure Weight: 630Ton
Logistics Steel Warehouse For High-Speed Rail Station
Size: Total Area 24,570 Sqm
Steel Structure Weight: 985Ton
Textile Manufacturing Machine Tool Equipment
Size: 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. 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 1500 tons of steel structures including light/heavy H
steel, BOX steel, cross-shaped section steel, large diameter
submerged arc straight-weld pipe, and various 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 the 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
structure buildings
- 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 certificate
- Supply traceable mill certificate
Structural Steel Fabrication Quality Control
- 100% testing dimension tolerance <1mm
- 20% sample welding line ultrasonic testing
- 20% magnetic powder testing
- Third-party inspection assistance available
Surface Treatment Quality Control
- Shot blasting grade Sa. 2.5
- Paint primer within 5 hours after shot blasting
- Holiday-free coatings with Dry Film Thickness (DFT) >75UM
- Pre-assembly testing of connection details
Packing and Transport
All structure components, panels, bolts and accessories are packed
in standard export packages suitable for ocean transportation and
loaded into 40'HQ containers. Our skilled workers use cranes and
forklifts to prevent damage during loading.
Component Examples
Frequently Asked Questions
Q: Are you a manufacturer or trading company?
A: We are a manufacturer and welcome visits to our facility. Our
quality control processes and sales team demonstrate our
professionalism.
Q: Is your price competitive?
A: We offer the best price for equivalent quality and the best
quality for equivalent prices, working to reduce your costs while
guaranteeing product quality.
Q: Can you provide installation support?
A: We provide detailed installation drawings and can send engineers
or a full installation team upon request.
Q: Do you accept inspection during production?
A: We welcome inspectors at any stage of production, including
container loading.
Q: Do you offer design services?
A: Yes, we provide complete design solutions using AutoCAD, PKPM,
MTS, 3D3S, Tarch, Tekla Structures and other software.
Q: What is your delivery time?
A: Delivery typically takes 40 days after deposit receipt,
depending on order quantity.
Q: How can I get a quotation?
A: Contact us by email, phone, WhatsApp, or Viber - we respond
within 8 hours.
Why Choose Us?
- Professional design team capable of custom drawings or steel
quantity calculations
- Skilled fabrication team with advanced equipment and
project-specific production schedules
- One-stop service with integrated project proposals
- Dedicated QC team ensuring product and service quality
- Comprehensive after-sales service including maintenance support
Custom Prefab Steel Structure Workshop Q235B Q355B ASTM A36
