Hurricane Proof Metal Kit Industrial Steel Frame Building Q235B Q355B ASTM A36
| Application Fields | Warehouse, Multi-building, Workshops & plants, Hospital, School, Office, Apartment |
|---|---|
| Drawing Design | AUTOCAD, SOLIDWORKS, TEKLA |
| Maximum Roof Load | 20+lb/sq.ft |
| Raw Steel Material | Q235B, Q355B, ASTM A36 |
| Frame Type | Portal Frame |
| Design Parameter | Wind Load, Snow Load And Earthquake |
| Working Scope | Design, Fabrication, Installation |
| Life Span | Around 30~50 Year |
Our prefabricated steel warehouses offer a one-stop solution with fast delivery and professional installation guidance.
- Robust Structure: Composed of internal support and external enclosure systems.
- Portal Steel Frame Design: Includes steel columns, beams, and bracing, forming a fully enclosed building capable of withstanding strong winds, heavy rain, and snow.
- Factory Precision: All components are cut, welded, drilled, and painted in our workshop before delivery.
- Easy Assembly: Parts are connected with high-strength bolts, ensuring quick installation and reduced labor costs.
- Structural Integrity: Built with five main components - tension members, compression members, bending members, combined stress members, and secure connections.

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 a popular choice for diverse urban and commercial needs.
- High Strength-to-Weight Ratio: Steel's strength allows for lighter yet robust frameworks, reducing foundation loads while supporting multiple floors and heavy usage.
- Design Flexibility: Steel's adaptability enables open floor plans, large spans, and creative architectural features, maximizing usable space and aesthetic appeal.
- Rapid Construction: Prefabricated steel components are manufactured off-site and assembled quickly, shortening build times by 20-40% compared to concrete structures.
- Durability & Resilience: With proper corrosion protection, steel resists environmental wear, fire (when fireproofed), and seismic activity, ensuring a long lifespan (50+ years).
- Sustainability: Steel is 100% recyclable, and its lightweight nature reduces material waste. It also supports energy-efficient upgrades.
- Commercial Buildings: Offices, shopping malls, and hotels (benefiting from open layouts and quick occupancy).
- Residential Complexes: Apartments or mixed-use buildings (balancing space efficiency and structural stability).
- Institutional Facilities: Hospitals, schools, and government buildings (prioritizing safety and adaptability for evolving needs).
| Dimension | Length * width * eave height, roof slope |
|---|---|
| Type | Single/double/multi-slope; Single/double/multi-span; Single/double/multi-floor |
| Foundation | Concrete and steel foundation bolts |
| Column and Beam | Hot rolled or welded H steel Q355B, high strength bolts connection, straight or variable cross-section |
| Bracing | X or V type bracing made from angle steel or pipe |
| C/Z Purlin | Q235B C/Z section steel (C160-300 or Z160-300) |
| Roof/Wall Panel | Single colorful corrugated steel sheet or sandwich panel with EPS, rock wool, glass wool, or PU insulation |
| Accessories | Skylight belts, ventilators, down pipes, gutters, doors, windows |
| Surface Treatment | Painting or hot dip galvanized |
| Package | Nude or packed on steel pallet in 40'HQ/OT containers |


We implement rigorous quality control measures throughout the project lifecycle, including:
- Material inspections before and after fabrication
- Precision measuring, cutting, and welding
- Accurate hole and cleat placement
- Proper packaging and loading sequence
- On-site erection when required
Qingdao Tsin Steel Structure Construction Technology Co., Ltd. provides integrated solutions for steel structure workshops, warehouses, and multi-storey buildings, including:
- Layout consulting and structural design
- Fabrication and delivery solutions
- Installation guidance
Our production capacity reaches 2,500 tons per month across 20,000m² of workshop space (30,000m² total factory area). We operate complete production lines for H steel, C/Z purlins, and various steel sheet and sandwich panels.

Based in Shandong, China since 2025, we serve clients in South America, Africa, Oceania, and other global markets with a team of 5-10 professionals.
Pre-production samples and final inspections before shipment ensure consistent quality standards.
Steel Structure Warehouses, Workshops, Buildings, Poultry Houses, and Prefab Houses.
20+ years experience providing complete steel structure solutions with integrated design, fabrication, and installation services.
We accept FOB, CFR, CIF, EXW delivery terms and T/T, L/C, Cash payments in USD, EUR, AUD, CNY.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.