China Galvanized Prefabricated Factory Price Steel Structure for Steel Frame Structure Industrial Warehouse Worskshop Building
Galvanized steel structures are made from steel that has been coated with a layer of zinc.
- Highly Rust-Resistant: The zinc coating acts as a powerful barrier against moisture and oxygen, preventing the steel underneath from corroding (rusting).
- Durable and Long-Lasting: They are very strong and can withstand harsh weather conditions, including rain, snow, and humidity, for decades.
- Low Maintenance: Because they don't rust easily, they don't need to be painted or repaired frequently, saving time and money.
- Cost-Effective: The long lifespan and low maintenance make them a very economical choice over time.
- Aesthetic: They have a distinctive silvery-gray, spangled appearance that is often considered modern and industrial.
Application Fields
Galvanized steel is incredibly versatile and is used in many areas:
- Construction: Building frames for warehouses, factories, aircraft hangars, and large commercial buildings.
- Infrastructure: Highway guardrails, street light poles, power transmission towers, and bridges.
- Agriculture: Storage silos, animal pens, greenhouses, and equipment sheds.
- Everyday Items: Parking lot shelters, bus stops, playground equipment, and fencing.
- Galvanized steel structures are strong, rust-proof, and low-maintenance, making them ideal for both heavy-duty industrial projects and everyday outdoor use.
Steel Structural Component Parameters Table
| Component Name | Assembly Code | Material | Specification |
| steel column | GZ | H section steel | HI600-300-6-10*220 |
| HI500-300-6-10*220 |
| HI500-300-6-10*240 |
| steel beam | GL | H section steel | HI750-6-8*200 |
| HI650-6-8*200 |
| HI750-900-8-10*220 |
| wind-resistant column | KFZ | H section steel | HI800-6-10*230 |
| HI350-6-8*200 |
| roof/floor purlin | LT | C section steel | CC180-2.5-20*70 |
| CC160-2-20*50 |
| CC180-2-20*70 |
| horizontal support | SC | round steel | D20 |
| tie bar | XG | steel round tube | O114*3 |
| O140*4 |
| pull-rod | LG | round steel | D12 |
| diagonal pull-rod | XLG | round steel | D12 |
| awning tie bar | YPXL | steel round tube | O168*6 |
| corner bracing | YC | angle steel | L63*4 |
| L50*4 |



Installation Process Explained
Our steel structure building installation follows a standardized and efficient 12-step process:
1-2 Foundation
Prepare the concrete base according to the structural load requirements and install the pre-embedded anchor bolts as per the foundation construction drawings.
3-4 Columns
Erect the steel columns using a truck crane, with one worker guiding and 3-4 workers assisting. Secure each column onto the anchor bolts and add temporary bracing.
5 Roof Beams
After two adjacent steel columns are installed, begin installing the main roof beams to connect and stabilize the structure.
6-7 Purlins
Install roof and wall purlins after completing the column and beam installation. Bolt them securely onto the main structure to support cladding panels.
8 Purlin Rods
Reinforce the frame by installing horizontal tie rods between purlins for added stability.
9 Water Gutter
Install the gutter system along the eaves to ensure proper drainage and prevent water accumulation.
10-11 Cladding
Attach wall sheets to wall purlins with self-tapping screws, then install roof sheets. For insulated buildings, fix sandwich panels to both walls and roof.
12 Completion
Install covers at corners, eaves, windows, and doors; fit windows and doors in place; conduct a final inspection - your steel building is ready for use.


Project Case: Large-Scale Steel Structure Workshop in Chile
Core Components & Advantages
This project involves a 30m x 37.2m x 8m large-scale industrial steel structure workshop. We provided a turnkey solution from the main structure to the building envelope. Its core advantages are:
- Robust & Reliable: Main framework uses high-strength Q355B H-section steel; critical connections use 10.9S grade high-strength bolts.
- Long-Lasting Durability: Sandblasting to Sa2.5 grade with "Red Lead primer + Light Gray topcoat" for double corrosion protection.
- Rapid & Efficient Construction: All components are factory prefabricated for fast on-site assembly, significantly reducing the project timeline.
- Complete Package: Includes primary structure, cladding (roof & wall panels), doors, and drainage system - nothing overlooked.
| Category | Main Components | Specifications / Model | Notes |
| Building Parameters | Dimensions (LxWxH) | 30m x 37.2m x 8m | Spacious single-span space |
| Primary Structure | Main Frame | Q355B H-Section Steel | High strength, excellent load-bearing capacity |
| Anti-Corrosion Treatment | Sandblasting Sa2.5 + Red Lead Primer | Top-level anti-rust treatment |
| High-Strength Bolts | 10.9S Grade M20 | Ensures structural integrity and safety |
| Foundation Anchor Bolts | M24 | Secures the entire structure to the foundation |
| Building Envelope | Roof Purlins | C160*2.0 | Supports roof panels |
| Wall Girts | C150*1.8 | Supports wall panels |
| Cladding Panels | Roof & Wall Panels | Provides complete enclosure and weather protection |
| Main Doors | Roll-up Doors 4m x 4m (2 units) | Convenient access for vehicles and personnel |
| Drainage System | Gutters + Ø110 PVC Downpipes | Efficient water drainage, prevents leakage |
| Connection System | Standard Bolts | 8.8S Grade M16 / 4.6S Grade M12 | Used for secondary structure connections |




To prepare a quote, please share your design drawings. If you don't have drawings yet, provide these details so we can design and quote for you:
- Location: Country/Area
- Size: Length (mm) x Width (mm) x Height (mm)
- Roof Load: ______ kN/m²
- Wind Load: ______ kN/m² or ______ km/h or ______ m/s
- Snow Load: ______ kN/m² or ______ mm
- Earthquake Level: ______
- Building Use: ______
- Brick Walls? (Yes/No, Height if yes: 1.2m or 1.5m)
- Insulation: Panel Type ______, Material ______, Thickness ______
- Doors: Quantity ______, Size: ______ mm (W) x ______ mm (H)
- Windows: Quantity ______, Size: ______ mm (W) x ______ mm (H)
- Crane? (Yes/No, Quantity ______, Max. Weight ______ tons, Max. Height ______ m if yes)
- Other: Skylights, ventilators, or other accessories needed?
Feel free to contact me with any questions. With over 20 years of experience in global markets (like America, EU, Middle East, Africa, SE Asia, Russia), I'll help you find the best solution for your project.
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