Steel Structure Building - Concrete & Steel Mixed Construction
Product Attributes
| Application Fields |
Offices, shopping malls, hotels, apartments, mixed-use buildings, hospitals, schools, and government buildings |
| Floor System |
Floor deck + concrete |
| Frame Type |
Steel light frame |
| Design Parameters |
Wind load, snow load, and earthquake resistance |
| External Enclosure System |
Sandwich panel for thermal insulation, fireproofing, and soundproofing |
| Frame Life Span |
40-50 years |
Product Overview
Multi-story steel structure buildings are high-rise or mid-rise structures (typically 3-20+ floors) using steel as the primary structural framework. They combine strength, efficiency, and design flexibility, making them ideal for diverse urban and commercial applications.
Structural Components
- Main Frame: H-section steel beams and columns with spans of 6-9m
- Floor System: Concrete + floor deck (0.8-1.2mm thickness, 50-75mm wave height)
- Materials: Steel bars (bearing and distribution bars), concrete (C30-C40)
Key Performance Advantages
- High Strength-to-Weight Ratio: Lighter yet robust frameworks reduce foundation loads while supporting multiple floors
- Design Flexibility: Enables open floor plans, large spans, and creative architectural features
- Rapid Construction: Prefabricated components shorten build times by 20-40% compared to concrete
- Durability & Resilience: Resists environmental wear, fire (when protected), and seismic activity
- Sustainability: 100% recyclable material with reduced waste and energy-efficient upgrade potential
Technical Specifications
| Dimension |
Custom length × width × eave height with adjustable roof slope |
| Type |
Single/double/multi-slope; single/double/multi-span; single/double/multi-floor configurations |
| Foundation |
Concrete with steel foundation bolts |
| Column & Beam |
Hot rolled or welded H steel Q355B with high strength bolt connections |
| Bracing |
X or V type bracing made from angle steel or pipe |
| Purlin |
Q235B C/Z section steel (size C160-300 or Z160-300) |
Construction Considerations
- Load-Bearing Capacity: Calculated for vertical and lateral forces
- Fire Safety: Intumescent coatings meet building codes
- Corrosion Protection: Coatings or galvanization for humid/coastal areas
- Vibration Control: Dampers for sensitive environments
- System Integration: Coordinated with utilities and facade systems
Quality Control
Our quality control measures include material inspections before and after fabrication, with certified welding and fabrication processes:
- Precision measuring, cutting, and welding
- Accurate hole and cleat placement
- Careful packaging and loading sequence
- Optional on-site erection services
Frequently Asked Questions
Can I visit your factory before ordering?
Yes, we welcome factory visits. We provide airport pickup and hotel booking services for visitors to Qingdao.
What is your cooperation process?
1. Share project details → 2. Free design and revisions → 3. 30% deposit → 4. Finalize design → 5. Production → 6. Optional installation services.
What is the price range?
Prices vary from $19-$100+/m² based on size, quality, and complexity. We prioritize long-term value over low initial costs.
Do you provide installation services?
We provide detailed construction drawings and manuals, with optional on-site installation (client covers travel/labor costs).
What is the delivery time?
Typically 30 days after deposit, with partial shipments available for large orders.
What anti-rust treatments are available?
Options include standard paint, epoxy zinc primer, hot-dip galvanization, or stainless steel (301/304/316).
How do you ensure quality?
We comply with CE EN1090 and ISO9001:2008 standards, with rigorous material and process inspections.
Why are your prices higher than competitors?
We use premium steel from major mills, smarter designs, durable components (lasting 10-20 years), and avoid cost-cutting that compromises longevity.
Multi-story steel buildings excel in modern urban development, offering an optimal blend of performance, construction speed, and sustainability.
