High-Rise & Mid-Rise Steel Construction Homes Q355B
Multi-story steel frame buildings designed for residential or office use, featuring Q355B steel construction with exceptional strength and design flexibility for urban and commercial applications.
Technical Specifications
- Dimensions: Custom length × width × eave height with specified roof slope
- Structure Types: Single slope, double slope, multi-slope; Single span, double-span, multi-spans; Single floor, double floors, multi-floors
- Foundation: Concrete with steel foundation bolts
- Columns & Beams: Hot-rolled or welded H steel Q355B with high-strength bolt connections
- Bracing: X or V type bracing using angle steel or steel pipe
- Purlin: Q235B C/Z section steel, sizes C160-300 or Z160-300
- Roof & Wall Panels: Single colorful corrugated steel sheet or insulated sandwich panels
- Surface Treatment: Painting or hot-dip galvanized
Key Performance Advantages
- High Strength-to-Weight Ratio: Robust frameworks that 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 fireproofed), and seismic activity
- Sustainability: 100% recyclable material with reduced waste and energy-efficient upgrade potential
Product Benefits
- Wide Span Capability: Single span or multi-span designs available
- Cost-Effective: Unit price range from $50/m² to $80/m² based on client requirements
- Long Lifespan: Approximately 20-50 years of service life
- Fast Construction: Quick assembly and easy installation process
- Additional Features: Environmental protection, stable structure, earthquake resistance, waterproofing, and energy conservation
Quality & Safety Features
- Cost-effective with attractive appearance
- High safety performance standards
- Easy assembly and disassembly
- Manufactured under ISO9001 quality control system
- Installation guidance from experienced engineers
- Non-polluting construction process
Component Specifications
| Component | Specification |
|---|
| Base | Cement and steel foundation bolts |
| Main Frame | H beam construction |
| Material | Q235B, Q355B or custom materials as requested |
| Purlin | C or Z purlin, sizes from C120-C320, Z100-Z200 |
| Bracing | X-type or other bracing using angle steel or round pipe |
| Bolts | Plain bolts and high-strength bolts |
| Roof & Wall | Sandwich panels and color plates |
| Doors | Sliding or rolling doors |
| Windows | Aluminium alloy windows |
| Surface Treatment | Two anti-rust painting methods or hot-dip galvanized |
| Sheet Components | 0.5mm or 0.6mm galvanized sheet |
| Accessories | Semi-transparent skylight belts, ventilators, down pipes, galvanized gutters, etc. |
Applications
- Workshops, warehouses, and industrial plants
- Steel web frame structures
- Steel H-column and sheet H-beam constructions
- Portal frame products
- High-rise building projects
- Other steel structure building applications
Packaging & Shipping
Main steel frames are loaded without packaging in 40' open top containers. All structural components, panels, bolts, and accessories are well-packed with standard packaging suitable for ocean transportation and loaded into 40'HQ containers. All products are loaded at our factory using cranes and forklifts by skilled workers to prevent damage.
Design Services
We provide custom design services based on your drawings or requirements. For custom design, please provide the following parameters:
| Parameter | Details Required |
|---|
| Location | Country and area where building will be constructed |
| Size | Length × width × height (mm) |
| Wind Load | Maximum wind speed (kN/m², km/h, or m/s) |
| Snow Load | Maximum snow height (kN/m² or mm) |
| Anti-Earthquake | Required earthquake resistance level |
| Brickwall | If needed, specify height (1.2m or 1.5m) |
| Thermal Insulation | EPS, fiberglass wool, rockwool, PU sandwich panels, or metal sheets |
| Doors | Quantity and dimensions (width × height in mm) |
| Windows | Quantity and dimensions (width × height in mm) |
| Crane Requirements | If needed, specify quantity, maximum lifting weight (tons), and lifting height (m) |
Installation Support
We provide comprehensive installation support including detailed shop drawings and optional on-site training. If needed, we can assemble sample steel structure buildings for demonstration purposes.
Packing & Loading Process
All structural components, panels, bolts, and accessories are carefully packed with standard packaging suitable for ocean transportation and loaded into 40'HQ containers. Our skilled workers use cranes and forklifts to ensure goods are protected during loading.
Why Choose Our Steel Structures
- Professional Design Team: Custom drawings and steel quantity calculations based on your specifications
- Skilled Fabrication: Advanced equipment and independent production schedules for each project
- One-Stop Service: Integrated project proposals based on extensive experience
- Quality Assurance: Professional QC team ensures products and services meet your requirements
- After-Sales Support: Comprehensive maintenance and support services for insulation and steel components
Frequently Asked Questions
Q1: Can I visit your factory before ordering?
A: Yes, we welcome factory visits. We can arrange airport pickup and hotel booking services.
Q2: What is your project cooperation process?
A: Our process includes project consultation, free design service, contract signing, production, and optional installation support.
Q3: What is the price range for steel structures?
A: Prices vary from $30 to $100+ per square meter depending on material quality, size, and design complexity.
Q4: Do you provide installation services?
A: We provide detailed construction manuals and can send engineers for on-site installation support (costs covered by buyer).
Q5: What is your standard delivery time?
A: Typically 30 days after deposit, with partial shipment available for large orders.
