Introduction to Steel Structures
Steel structures are building structures primarily made of steel, constructed through methods such as welding and bolting. They are widely used in industrial plants, high-rise buildings, bridges, towers, and more. The steel used typically includes sections, plates, and pipes, which offer high strength, good plasticity, and toughnes
Characteristics of Steel Structures
1.High Strength: Steel has high strength and strong load-bearing capacity, making it suitable for large-span and high-rise buildings.
2.Lightweight: Compared to concrete, steel has a higher density but even greater strength, resulting in lighter structures and reduced foundation loads.
3.Good Plasticity: Steel exhibits excellent plasticity, allowing it to withstand significant deformation and offering superior seismic performance.
4.Good Toughness: Steel maintains good toughness even at low temperatures, making it suitable for cold environments.
5.Fast Construction: Components can be prefabricated in factories and assembled on-site, shortening construction timelines.
6.Eco-Friendly: Steel is recyclable, reducing construction waste and aligning with environmental sustainability.
7.Good Sealing Properties: Welded steel structures provide excellent air and water tightness, making them ideal for containers and pipelines.
8.Poor Corrosion Resistance: Steel is prone to rust and requires anti-corrosion measures.
9.Poor Fire Resistance: Steel loses strength at high temperatures, necessitating fireproofing treatments.
Summary
Steel structures offer advantages such as high strength, lightweight, and fast construction. However, they also have drawbacks like poor corrosion and fire resistance, which require appropriate mitigation measures.




| Item | Prefab steel structure workshop,warehouse,hangar ,hall building |
| Model | Single slope, double slope, multi slope. Single span, double-span, Multi-span Single floors, Double floors |
| Main steel grade | Q235B, Q345B |
| Column& Beam | Welded or Hot rolled H-section steel, constant cross-section or variable cross-section. H 160~2000*150~800*6/8/10*6/8/10/12mm. Two coats of primer and finish paint. |
| Wall& Roof panel | EPS, Fiber glass, Rockwool, PU sandwich panel 50/75/100mm, and corrugated steel sheet 0.5~0.8 mm |
| Wall& Roof purlin | C / Z channel steel, Hot dip galvanized. C80~C300, Z100~Z300 |
| Bracing | X or V type Steel round bar, Angle steel and tubes, painted or galvanized. |
| Strut | Steel round pipe and tube, and angle steel, painted. |
| Sag rod | Steel round bar, galvanized. |
| Eave Gutter | Galvanized / Stainless steel sheet |
| Down spout | UPVC pipe Diameter 110mm |
| Trim& Flashing | Bended color steel sheet |
| Door | Roll-up, Sliding, Lifting and Hinged door etc |
| Window | Plastic steel, Aluminum alloy window etc |
| Canopy | Color corrugated steel sheet, Sandwich panel |
| Skylight | Polycarbonate sheet 0.8/1.2mm |
| Roof Ventilation | Monitor or natural ventilator |
| Bolt | Foundation anchor bolt 10.9S 8.8S, Commercial bolt 4.8S, Expansion bolt. |
| Accessories | Screw, Rivet, Foam closures, Sealant, Ventilator, etc |
Packing & Loading:

Why us?
1. Professional design team, we could design the drawing as your requirement or calculate the steel quantity based on your drawing.
2. Skilled fabrication team and advanced equipment. We make the independent production schedule to each project.
3. One-stop service: We have completed lots such kinds of projects, we could provide the integrated proposal for your project.
4. Professional QC team will guarantee that we will provide the production and service as your request.
5. After sales service: If it has any questions that need us to do in your process of using, such as the maintain of outside insulation and steel components, just tell us , we will try to provide the service as well as we can.
| 1 | Location (where will be built?) | _____country, area |
| 2 | Size: length*width*height | _____mm*_____mm*_____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, the metal steel sheets will be ok. The cost of the latter will be much lower than that of the former |
| 8 | door quantity & size | _____units, _____(width)mm*_____(height)mm |
| 9 | window quanity & size | _____units, _____(width)mm*_____(height)mm |
| 10 | crane needed or not | If yes, _____units, max. lifting weight____tons; max. lifting height _____m |