Multi-story Steel Structure Building with 30-50 Years Life Span Using Q235B and Q355B Materials
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.
| Attribute | Value |
|---|---|
| Application Fields | Offices, shopping malls, hotels, apartments, hospitals, schools, and government buildings |
| Maximum Roof Load | 20+ lb/sq.ft |
| Drawing Design | AUTOCAD, SOLIDWORKS, TEKLA |
| Raw Steel Material | Q235B, Q355B, ASTM A36 |
| Frame Type | Portal Frame |
| Design Parameter | Wind Load, Snow Load, Earthquake |
| Working Scope | Design, Fabrication, Installation |
| Life Span | 30-50 Years |
- High Strength & Durability: Steel's strength allows buildings to bear heavy loads and withstand harsh weather conditions without deformation. Resists corrosion ensuring long service life (typically 45+ years).
- Large Span & Flexible Space: Steel frames support wide, column-free spans (often 20-30 meters), maximizing usable space. Easy to reconfigure layouts for changing needs.
- Quick Construction: Prefabricated steel components are assembled quickly on-site, reducing construction time by 30-50% compared to concrete structures.
- Cost-Efficiency: Lower labor costs, reduced construction time, and minimal maintenance needs make steel buildings economically viable with good resale value.
- Sustainability: Steel is 100% recyclable, with many components made from recycled materials. Energy-efficient insulation options further reduce environmental impact.
| Component | Specification |
|---|---|
| Dimension | Length × width × height |
| Foundation | Concrete and steel foundation bolts |
| Column and Beam | Hot rolled or welded H steel Q355B, high strength bolts connection |
| Bracing | X or V type bracing made from angle steel or steel pipe |
| Purlin | Q235B C/Z section steel with size C160-300 or Z160-300 |
| Roof and Wall Panel | Single colorful corrugated steel sheet or sandwich panel with insulation |
| Surface Treatment | Painting or hot dip galvanized |
- Load-Bearing Capacity: Calculated for vertical loads and lateral forces to ensure structural stability
- Fire Safety: Integrated fireproofing materials to meet building codes
- Corrosion Protection: Coatings or galvanization, especially in humid or coastal areas
- Vibration Control: Designed for minimal vibration in sensitive areas
- System Integration: Coordinated with utilities and facade systems
We implement extensive quality control measures including inspections of all materials prior to and following fabrication. Our fabrication and welding staff deliver services designed to meet specific project requirements:
- Measuring, cutting and welding the steel
- Precise placement of holes and cleats
- Careful packaging and loading sequence
- Optional on-site erection services
All the structure components, panels, bolts and sort of accessories will be well packed with standard package suitable ocean transportation and loaded into 40'HQ.
All the products are loaded at the loading site of our factory using crane and forklift by our skilled workers, who will prevent the goods to be damaged.
- Professional design team - we can design the drawing as per your requirements or calculate steel quantity based on your drawing.
- Skilled fabrication team and advanced equipment with independent production schedule for each project.
- One-stop service with integrated project proposals based on extensive experience.
- Professional QC team ensuring products and services meet your exact requirements.
- Comprehensive after-sales service including maintenance support for insulation and steel components.
Yes, we welcome visits to our factory. We can arrange airport pickup from Qingdao Airport and hotel booking services.
- Send us your project details and requirements
- We provide free design drawings for your review
- Sign contract and pay 30% deposit
- Confirm final design details
- Production and final payment before shipment
- Optional installation services
Prices vary by material quality, size, and design complexity, typically ranging from $19 to $100+ per square meter.
We provide detailed construction drawings and manuals. On-site installation services are available with costs covered by the buyer.
Typically 30 days after receiving deposit, depending on order size. Partial shipment available for large orders.
Options include normal anti-rust paint, epoxy zinc primer, hot-dip galvanization, hot-dip galvanization+PU finish, or stainless steel structure.
Our products meet CE EN1090 and ISO9001:2008 standards with comprehensive quality inspection reports.
We use top-quality steel from major mills, smarter designs, durable high-grade materials (lasting 10-20 years), and avoid cost-cutting measures that compromise long-term value.
| Item | Details Required |
|---|---|
| 1 | Location (where will be built?) - country, area |
| 2 | Size: length*width*height (mm) |
| 3 | Wind load (max. wind speed) - kn/m2, km/h, m/s |
| 4 | Snow load (max. snow height) - kn/m2, mm |
| 5 | Anti-earthquake level |
| 6 | Brickwall needed or not - If yes, 1.2m high or 1.5m high |
| 7 | Thermal insulation - If yes, EPS, fiberglass wool, rockwool, PU sandwich panels will be suggested; if not, metal steel sheets will be sufficient at lower cost |
| 8 | Door quantity & size - units, width(mm)*height(mm) |
| 9 | Window quantity & size - units, width(mm)*height(mm) |
| 10 | Crane needed or not - If yes, units, max. lifting weight(tons); max. lifting height(m) |
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.