Steel Structure with Hot-Dip Galvanizing / Duplex Coating
- Product Model: ASTM A36/ASTM A572GR50/EN S355JR/S355J2 Steel Structure
- Unit of Measurement: Ton
- Price Range: 1300—3000 USD/T.The specific price needs to be provided with drawings and calculated based on material requirements, processing requirements, paint requirements, etc.
- MOQ: 100 Tons
- Overview
- OUR COMPANY
- Recommended Products
Industrial plants
Power and energy infrastructure
Wind and solar energy projects
Marine and coastal construction
Bridges, warehouses, and heavy-duty structures
Hot-dip galvanizing protects against moisture, chemicals, and outdoor elements.
Duplex coating adds an extra protective layer for even longer service life.
Designed for 20–50 years of service in demanding industrial and marine environments.
Made from high-strength structural steel suitable for heavy industrial applications.
Dimensions, coating type, and structural configuration tailored to project specifications.
Reduced need for repainting and maintenance compared to ordinary painted steel.
Coating and structural standards meet ISO, EN, ASTM requirements.
Hot-Dip Galvanizing: Steel is immersed in molten zinc to form a durable, bonded protective layer.
Duplex Coating: Combines galvanizing with an epoxy or polyurethane topcoat for enhanced corrosion resistance and aesthetics.
Material Selection: High-quality Q235B / Q355B / S355 structural steel
Cutting & Machining: CNC cutting, drilling, and plate preparation
Fabrication & Welding: Automatic or semi-automatic welding to assemble structural members
Surface Preparation: Degreasing, pickling, or sandblasting
Coating: Hot-dip galvanizing and/or duplex coating
Quality Inspection: Dimensional checks, coating thickness verification, structural integrity tests
Packaging & Shipping: Export-ready packaging according to international standards
Offshore and onshore wind farm structures
Solar mounting and support structures
Industrial plant frameworks
Power transmission and substation structures
Bridge and infrastructure steel frameworks
Coastal and marine construction
Product Overview
Our Steel Structures with Hot-Dip Galvanizing or Duplex Coating are engineered to withstand harsh environmental conditions while maintaining structural integrity. They are widely used in:
Hot-dip galvanizing provides a metallurgically bonded zinc layer that prevents rust, while duplex coating (galvanizing + protective paint) significantly extends the lifespan of steel structures and enhances aesthetics. These steel structures combine high strength, excellent durability, and low maintenance requirements, making them ideal for both onshore and offshore projects.


Key Advantages
✔ Exceptional Corrosion Resistance
✔ Durable and Long-Lasting
✔ High Load-Bearing Capacity
✔ Customizable Design
✔ Low Maintenance
✔ International Standards Compliance
Product Attributes
| After-sales Service | On site installation or installation guidance |
| Warranty Period | 1 year |
| Transportation Packaging | Container or bulk carrier transportation |
| Specification | Based on actual project products |
| Brand | Guoshun |
| Place of Origin | Jinan |
| Standard | European, American, and National Standards |
| Surface Treatment | Spray painting or galvanizing |
Technical Features & Production Process
Corrosion Protection Options
Production Process
Technical Specifications (Customizable)
| Feature | Specification |
| Material | Q235B / Q355B / S355 Structural Steel |
| Surface Treatment | Hot-Dip Galvanized / Duplex Coating (Galvanized + Paint) |
| Coating Thickness | Galvanized 80–120 μm, Paint 60–120 μm |
| Structural Type | Beams, Columns, Trusses, Platforms, Custom Fabrications |
| Standards | ISO 1461 / ISO 12944 / EN / ASTM |
| Load Capacity | Project-Specific |
| Service Life | 20–50 Years |
| Environment | Coastal, Marine, Industrial, Harsh Outdoor |
Application Scenarios
These structures ensure safety, reliability, and long-term performance in highly corrosive environments.
Why Choose Us
✔ Experienced Steel Structure Manufacturer – Years of fabrication and engineering expertise
✔ Advanced Coating Technology – Consistent high-quality galvanizing and duplex coatings
✔ Custom Engineering Support – Tailored solutions for structural optimization and corrosion protection
✔ Strict Quality Control – Full inspection from raw materials to finished structures
✔ Export-Ready Solutions – Professional packaging, documentation, and shipping worldwide
✔ Competitive Pricing & Timely Delivery – Factory-direct supply with reliable production schedules




